ADTRAN | TRACER 4103-4203 | User manual | Adtran TRACER 4103-4203 User Manual

Adtran TRACER 4103-4203 User Manual
TRACER® 4103/4203
User Manual
TRACER 4103/4203 User Manual
61280242T1R1A-1A
61280242T1R1A-1A
TRACER 4103/4203 User Manual
RADIO FREQUENCY INTERFACE STATEMENT
This equipment has been tested and found to comply with the limits for an intentional radiator, pursuant
to Part 15, Subpart C of the FCC Rules. This equipment generates, uses, and can radiate radio frequency
energy. If not installed and used in accordance with the instructions, it may cause interference to radio
communications.
The limits are designed to provide reasonable protection against such interference in a residential situation. However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause interference to radio or television reception, which can be determined by turning
the equipment on and off, the user is encouraged to try to correct the interference by one or more of the
following measures:
•
•
•
•
Reorient or relocate the receiving antenna of the affected radio or television.
Increase the separation between the equipment and the affected receiver.
Connect the equipment and the affected receiver to power outlets on separate circuits.
Consult the dealer or an experienced radio/TV technician for help.
WARNING
Changes or modifications not expressly approved by ADTRAN could void the user’s authority to
operate the equipment.
Shielded Cables
A shielded-type power cord is required in order to meet FCC emission limits and also to prevent interference with nearby radio and television reception when using the AC voltage adapter. It is essential
that only the ADTRAN-provided power cord be used.
FCC Output Power Restrictions
The FCC does not require licensing to implement this device. However, the FCC has established restrictions regarding maximum output power and the adjustments required when employing directional gain
antennas. (Refer to "Setting the Transmitter Power" in Section 2 of this manual). These restrictions are
detailed in FCC Part 15.247 (b)(1), (b)(3)(i), and (3)(iii). It is the responsibility of the individuals designing and implementing the radio system to assure compliance with these and any other pertinent FCC
Rules and Regulations. This device must be professionally installed.
Exposure to Radio Frequency Fields
The TRACER 4103 operates in the 2.4 GHz Industrial, Scientific, and Medical (ISM) band with
100 mW power output, while the TRACER 4203 operates in the 5.8 GHz ISM band with 100 mW power output.
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Radio Frequency Interference Statement
These levels of RF energy in are below the Maximum Permissible Exposure (MPE) levels specified in
FCC OET 65:97-01. The installation of high gain antenna equipment in the system configuration may
create the opportunity for exposure to levels higher than recommended for the general population at a
distance less than 16.5 feet (5 meters) from the center of the antenna. The following precautions must
be taken during installation of this equipment:
•
•
•
•
•
•
•
The installed antenna must not be located in a manner that allows exposure of the general population to the direct beam path of the antenna at a distance less than 16.5 feet (5 meters). Installation
on towers, masts, or rooftops not accessible to the general population is recommended; or
Mount the antenna in a manner that prevents any personnel from entering the area within 16.5 feet
(5 meters) from the front of the antenna.
It is recommended that the installer place radio frequency hazard warnings signs on the barrier that
prevents access to the antenna.
Prior to installing the antenna to the RF output, make sure the power is adjusted to the settings specified in Section 2 of this manual.
During antenna installation, be sure that power to the TRACER equipment is turned off in order to
prevent any energy presence on the coaxial connector.
During installation and alignment of the antenna, do not stand in front of the antenna assembly.
During installation and alignment of the antenna, do not handle or touch the front of the antenna.
These simple precautions must be taken to prevent general population and installation personnel from
exposure to RF energy in excess of specified MPE levels.
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Table of Contents
Page
Section 1 TRACER 4103/4203 Description
Introduction..............................................................................................................................13
ISM Band Spread Spectrum ....................................................................................................13
Direct Sequence ...........................................................................................................13
Coding..........................................................................................................................13
Applications .............................................................................................................................14
Channel Selection ....................................................................................................................14
Forward Error Correction ........................................................................................................15
T1 Operation ................................................................................................................15
Framing............................................................................................................15
Line Code.........................................................................................................15
DS1/DSX-1 Interface.......................................................................................16
Line Buildout or LBO......................................................................................16
TRACER 4103/4203 System Configuration ...........................................................................16
TRACER 4103/4203 Rear Panel .................................................................................16
DS1/DSX-1 Interface...................................................................................................16
VT 100 RS-232 Interface.............................................................................................17
Alarm Contacts ............................................................................................................17
Power ...........................................................................................................................17
TRACER 4103/4203 Front Panel ................................................................................17
Non-volatile Memory ..................................................................................................18
Built-In Tests ...............................................................................................................19
Antenna........................................................................................................................19
Section 2 Installation
Unpack, Inspect .......................................................................................................................21
Configuration ...............................................................................................................21
Installation ...............................................................................................................................21
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Table of Contents
Location and Mounting................................................................................................21
Power Requirements ....................................................................................................21
Grounding ....................................................................................................................21
DS1/DSX-1 Interface...................................................................................................22
Link Planning...........................................................................................................................23
Antenna Feedline Loss.................................................................................................24
Antenna Gain ...............................................................................................................24
Path Loss......................................................................................................................25
Path Availability ..........................................................................................................25
Setting the Transmitter Power .................................................................................................26
Applying Power .......................................................................................................................26
Automatic Frequency Plan.......................................................................................................26
Chipping Code .........................................................................................................................27
Co-Locating Multiple Systems ................................................................................................27
Antenna Alignment..................................................................................................................27
RF LoW ...................................................................................................................................28
Alarm Contacts ........................................................................................................................28
Section 3 Operation
VT 100 User Interface .............................................................................................................29
RS-232 Interface ......................................................................................................................29
Modem Connection..................................................................................................................29
Cable Connections ...................................................................................................................30
Password ..................................................................................................................................30
Menu Selections.......................................................................................................................30
TRACER System Status ..............................................................................................30
Main Menu...................................................................................................................31
TRACER System Configuration .................................................................................31
TRACER Link Performance History...........................................................................33
T1A and T1B Status/Configuration/Loopback............................................................33
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Table of Contents
T1A and T1B Performance History.............................................................................35
Section 4 Troubleshooting
Power LED is not Lit ...............................................................................................................37
Test LED is Blinking or On (solid) .........................................................................................37
Link Down LED is Lit (RF Link is Down) .............................................................................37
RF Low LED is Lit ..................................................................................................................38
LOS LED is Lit (Red Alarm) ..................................................................................................38
AIS LED is Lit (Yellow Alarm) ..............................................................................................38
AIS LED is Blinking (Alarm Indication Signal or Blue Alarm) .............................................39
BPV LED is Lit (Bipolar Violations) ......................................................................................39
Section 5 Specifications
Transmitter...............................................................................................................................41
Receiver ...................................................................................................................................41
Frequency Plan ........................................................................................................................41
Spread Spectrum Data Pump ...................................................................................................41
T1 Interface Specifications ......................................................................................................41
User Interface...........................................................................................................................42
VT 100 Terminal Interface ......................................................................................................42
Mechanical & Environmental..................................................................................................42
Power .......................................................................................................................................42
Section 6 Warranty, Ordering and Return
Warranty ..................................................................................................................................43
Sales .........................................................................................................................................43
Technical Support ....................................................................................................................43
Repairs and Returns .................................................................................................................43
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Table of Contents
Glossary
Acronyms Used in this Manual ...............................................................................................45
Appendix A Cable Connections
Terminal Connection (DB25) ..................................................................................................47
Personal Computer Connection (DB9) ....................................................................................47
Modem Connection (DB25) ....................................................................................................47
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List of Figures
Figures
Figure 1-1.
Typical Application .........................................................................................14
Figure 1-2.
Bandwidth Division .........................................................................................15
Figure 1-3.
TRACER 4103/4203 Rear Panel .....................................................................16
Figure 1-4.
TRACER 4103 Front Panel .............................................................................17
Figure 3-1.
TRACER System Status ..................................................................................30
Figure 3-2.
TRACER Main Menu ......................................................................................31
Figure 3-3.
TRACER System Configuration .....................................................................32
Figure 3-4.
TRACER Link Performance History...............................................................33
Figure 3-5.
T1A Status/Configuration/Loopback...............................................................34
Figure 3-6.
T1A Performance History................................................................................35
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List of Figures
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List of Tables
Tables
Table 3-1.
T1 Interface Alarms .........................................................................................35
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List of Tables
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SECTION 1
TRACER 4103/4203 DESCRIPTION
INTRODUCTION
The TRACER 4103 and 4203 provide dual T1 transport by way of a spread spectrum microwave link
for distances of 30 miles or more depending on path engineering. System performance is determined,
in part, by the engineering of the microwave link. Each end of a TRACER 4103/4203 link is composed
of a single rackmount unit. Two DS1/DSX-1 (T1) interfaces are provided on the rear of the
TRACER 4103/4203, which can be mounted in a 19 or 23 inch rack. The DS1/DSX-1 interface provides
connections up to 6000 feet from T1 equipment. A single coaxial cable connects the
TRACER 4103/4203 to the antenna.
ISM BAND SPREAD SPECTRUM
The Federal Communications Commission (FCC) has established several portions of the radio
frequency (RF) spectrum for use in Industrial, Scientific, and Medical (ISM) applications. Part 15.247
of the FCC rules describes the requirements of systems that operate in these bands. The three bands set
aside, 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz, are designated for use by spread
spectrum transmitters, either frequency hopping or direct sequence. Spread spectrum is a form of
communication in which the bandwidth of a message signal is intentionally increased or “spread.” The
TRACER 4103/4203 employs direct sequence spread spectrum (DSSS) transmission while operating
in the 2400 to 2483.5 MHz and 5725-5850 MHz bands, respectively.
Direct Sequence
A direct sequence transmitter spreads the signal by mixing the data with the output of a pseudorandom
number generator which changes state at a rate higher than the data rate. This rate is called the
“chipping” rate. The TRACER 4103/4203 chipping rate is twelve times the data rate.
Coding
Many different pseudorandom sequences exist. The sequences are called pseudorandom because,
although they appear noise-like, they are determinant and repeat after a specific number of chips. The
longer a code is, the better correlation characteristics it possesses. These traits allow multiple spread
spectrum systems to operate in the presence of one another with minimal interference if they are
operating with different sequences. The TRACER 4103/4203 provides ten different 120-bit long
sequences to help ensure minimal interference operation in high traffic areas.
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Section 1 TRACER 4103/4203 Description
APPLICATIONS
Any application that would typically use metallic T1 as a transport can use the TRACER 4103 or
TRACER 4203 instead. Figure 1-1 illustrates a typical application.
Antenna
Antenna
RF Cable
RF Cable
TRACER 4103/4203
TRACER 4103/4203
VT100
RS-232
T1
POW
B
AIS
DATA
T1
BP
AIS
DATA
TRACER
TRANSCEI
T1
POW
Terminal
B
AIS
DATA
T1
B
AIS
DATA
TRACER
TRANSCEI
T1
T1
T1
T1
Switch
Cell Radio
MSC
Cellular/PCS Site
Figure 1-1. Typical Application
The TRACER 4103 or 4203 can be used in any application requiring that data be shared at a high rate
of speed. In addition to telephony applications, TRACER 4103 or 4203 can be used in data
communications such as internet networking, video conferencing, and telemetry.
CHANNEL SELECTION
The FCC has allocated 83.5 MHz of spectrum in the 2.4 GHz band (where the TRACER 4103 operates)
and 125 MHz in the 5.8 GHz band (where the TRACER 4203 operates). A TRACER system divides
the band into two portions - transmitting in one and receiving in the other. Figure 1-2 illustrates the
bandwidth division.
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Section 1 TRACER 4103/4203 Description
2400 MHz
2441 MHz
2483.5 MHz
(TRACER 4103)
5725 MHz
or
5787 MHz
5850 MHz
(TRACER 4203)
Figure 1-2. Bandwidth Division
The transmitter at one end of a link will transmit in the lower portion of the spectrum. Consequently the
receiver at the other end will receive in the lower portion of the band and transmit in the upper portion.
Thus, a system will operate in one of two frequency plans - transmit in the upper and receive in the lower
or vice versa. These two plans are called Plan A and Plan B. One end of a path will be on Plan A and
the other will be on Plan B. Shipment of a link will consist of an A and a B unless otherwise specified.
FORWARD ERROR CORRECTION
With the addition of overhead data, error detection and correction capability can be added to a data
stream. Error correction can be accomplished by allowing the receiver to request the retransmission of
a detected errored block. The TRACER 4103 and TRACER 4203, on the other hand, implement
forward error correction (FEC) which adds enough overhead data for the receiver to detect and correct
errors in the data stream without the need for retransmission. The addition of FEC decreases the
required signal-to-noise (S/N) ratio by approximately 5.5 dB to achieve a given bit error rate (BER).
T1 Operation
Framing
The data in a T1 stream is delimited by framing bits. The pattern of the framing bits follows one of two
formats – extended superframe (ESF) or superframe (SF or D4). The T1 interface must be prepared for
the format that will be used.
Line Code
A mark in the data stream is coded as a pulse on the T1 line. A space is coded as “no activity” on the
T1 line. As a form of error detection, subsequent marks in the data stream are coded as pulses of
alternating polarity, either positive going or negative going. This type of line coding is called alternate
mark inversion (AMI).
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Section 1 TRACER 4103/4203 Description
For the T1 receiver to operate correctly, a minimum number of “1s” must exist on the T1 facility. If the
data cannot be guaranteed to meet this requirement, then another line coding format is used. In the
bipolar 8 zero substitution (B8ZS) scheme, a string of eight “0s” is replaced by a special sequence of
eight bits that contains a bipolar violation. The receiver, upon recognizing this sequence, reinserts the
eight “0s” and the data is recovered intact.
DS1/DSX-1 Interface
When connecting the interface to the public switched network, an ADTRAN-provided cross-over cable
(part number 3125M011) is required to meet FCC part 68 and IC CS03 requirements. This cable is
required to cross-over the Tx and Rx pairs to meet the connecting arrangement of a network interface
device. This cable is included with the unit and is labelled “T1 Crossover.”
Line Buildout or LBO
The DS1/DSX-1 interface provides two different types of line buildouts (LBOs), respectively. When
set for DS1, LBOs for 0 dB, -7.5 dB, -15 dB, and -22 dB are available. The DS1 interface can operate
on line lengths up to 6,000 feet. When set for DSX-1 interface, LBOs for 0-133 feet, 266-399 feet, 399533 feet, and 533-655 feet are available.
TRACER 4103/4203 SYSTEM CONFIGURATION
The following section describes the TRACER 4103/4203 system components.
TRACER 4103/4203 Rear Panel
The rear panel provides all of the electrical interface points – DS1/DSX-1 interface, DS1/DSX-1
monitor, VT 100 terminal, alarm contacts, RF signal to the antenna, and DC power. The TRACER
4103/4203 rear panel is illustrated in Figure 1-3.
OUT
IN
OUT
Figure 1-3. TRACER 4103/4203 Rear Panel
DS1/DSX-1 Interface
Two DS1/DSX-1 interfaces, labelled “T1A” and “T1B,” are provided for connecting to the T1
equipment. Two types of physical interfaces are provided – RJ-48C and bantam jacks. The
DS1/DSX-1 interfaces provided for each channel are the same. The upper bantam connectors, labeled
“Monitor,” provide isolated monitor points for testing. The lower bantam jacks provide signal insertion
points. The insertion of a bantam jack disconnects the RJ-48C connector from the circuit. The DS1/
DSX-1 interface can operate on line lengths up to 6000 feet.
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Section 1 TRACER 4103/4203 Description
When connecting the T1 interface to the public switched network, an ADTRAN-provided cross-over
cable (part number 3125M011) is required to meet FCC part 68 and IC CS03 requirements. This cable
is included with the TRACER 4103/4203 and is labeled “T1 Crossover.” This cable is required to crossover the TX and RX pairs to meet the connecting arrangement of a network interface device.
For connections to other CPE-type equipment, such as an ADTRAN TSU-100, a straight-through T1
cable is provided by ADTRAN (P/N 3127004) and is included with the TRACER 4103/4203.
VT 100 RS-232 Interface
A serial interface port using RS-232C signal levels is provided for attaching a VT 100-compatible
terminal. The connection is made via a DB-25 connector on the rear panel. The data rate is configured
for 9600 bps, 8 data bits, no parity, and 1 stop bit. Flow control on the serial interface should be
configured for none.
A 7-day error history of the T1 interfaces and radio link is also provided. Fifteen-minute histories are
provided for the most recent 24 hours of operation.
Alarm Contacts
Major alarm contacts are provided on the rear panel. An alarm indicates the radio link is not operational.
Normally-open and Normally-closed contacts are provided. Under normal operating conditions there is
no continuity between the Normally-open and Common contacts. Under an alarm condition, continuity
between those contacts exists. The Normally-closed and Common contacts normally have continuity,
while under alarm conditions, these contacts are open.
Power
The unit receives power via a screw-type modular connector. The TRACER 4103/4203 operates on 21
to 63 Vdc, either polarity referenced to ground. The power consumption of the unit is 30 watts. An
optional desktop AC adapter is available (ADTRAN P/N 1280650L1).
TRACER 4103/4203 Front Panel
The TRACER 4103 front panel is illustrated in Figure 1-4. The 4203 front panel is identical except for
the model number.
L
L
Figure 1-4. TRACER 4103 Front Panel
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Section 1 TRACER 4103/4203 Description
Options are set from the VT 100 terminal interface. As a rule, a green LED indicates a normal situation,
a red LED indicates an error situation, and a yellow LED indicates a configuration option. LEDs
indicating overall system integrity are listed below.
TEST ....................... Red indicates that the self-test has completed and failed
PWR ........................ Green indicates that DC voltage is applied
The LEDs associated with the DS1/DSX-1 interfaces are listed below. There are two sections of
identical indicators – one for each DS1/DSX-1 interface.
BPV ......................... Red if the incoming T1 stream contains bipolar violations
LOS ......................... Red if there is no signal present at the T1 interface
LBKA/LBKB .......... Yellow if the T1 interface is in loopback
AIS ........................... Flashes to indicate a T1 Yellow Alarm; remains On (solid) to
indicate an AIS alarm (when the DS1/DSX-1 is receiving a
Blue code)
The LEDs indicating RF Link Status are listed below.
RF LO ..................... Red indicates the received RF carrier level within
approximately 10 dB of the minimum receive level
RF DOWN .............. Red indicates the radio path is down
The front panel controls are listed below.
LBKA ...................... Toggles T1A between no loopback and line loopback
LBKB ...................... Toggles T1B between no loopback and line loopback
Non-volatile Memory
The TRACER 4103/4203 system contains non-volatile memory to retain certain configuration settings.
These settings include:
Frequency plan
Chipping code
Password
Password enabling
Site name
T1 line coding
T1 framing
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Section 1 TRACER 4103/4203 Description
Built-In Tests
The TRACER 4103/4203 has several T1 loopbacks to aid in site setup and later debugging.
The monitor points provided on the front panel of the system are listed on the next page.
I ............................... Demodulated received baseband output
Q .............................. Demodulated received baseband output
RSSI ........................ DC voltage indicating strength of the received signal at the
antenna
GND ........................ System ground
TX PWR .................. DC voltage indicating strength of transmitted signal
The RSSI voltage is a function of the signal strength at the receiver and is used to measure the received
signal strength. RSSI varies approximately from 0 to greater than 4 volts, with 0 volts corresponding to
a weaker received signal and 4 volts corresponding to a stronger received signal.
The TX PWR voltage is a function of the selected transmit power level. This voltage ranges
approximately from 0 to 5 volts, with 0 volts corresponding to 0 dBm (1 milliwatt) and 5 volts
corresponding to +20 dBm (100 milliwatts).
IM POR TAN T
The voltage level present at the RSSI test point represents only a relative signal level of receive
strength from the far end. No direct correlation can be made between RSSI voltage level and actual
receive level in dBm. This test point is provided to assess relative signal level for alignment of
antennas.
Antenna
TRACER 4103/4203 is intended to be coupled with an antenna that is directional and provides signal
gain. There are several reasons for this requirement:
•
•
•
TRACER 4103/4203 operates in point-to-point applications; therefore, an omnidirectional antenna
is not needed.
The FCC provides no recourse in this band in the event of nearby interference, so a directional antenna reduces the likelihood of interference in the antenna pattern.
The low power transmitter is intended to be used with a high-gain antenna for long links.
The antenna requirements are listed below.
Minimum gain ................... 15 dBi
Minimum return loss ......... 15 dB
Connector .......................... N-type
Impedance ......................... 50Ω
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Section 1 TRACER 4103/4203 Description
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SECTION 2
INSTALLATION
UNPACK, INSPECT
Carefully inspect the TRACER 4103/4203 for any damage. If damage is suspected, file a claim with the
carrier, then contact ADTRAN Customer Service. If possible, keep the original shipping container for
use in shipping the TRACER 4103/4203 back for repair or for verification of damage during shipment.
Before beginning installation, verify that all of the following components are present.
Configuration
Provided by ADTRAN
•
•
TRACER 4103/4203 unit
DS1/DSX-1 interface cables, straight-through and crossover
(RJ-4C8 to RJ-48C)
Provided by customer
•
•
•
•
Antenna feedline cable
Antenna and mounting hardware
VT 100 terminal and RS-232 interface cable
21 to 63 Vdc power source (available from ADTRAN), either
polarity referenced to ground
INSTALLATION
Location and Mounting
Install the TRACER 4103/4203 in a location that requires minimal antenna feedline length (the loss in
this cable directly affects overall system performance). The TRACER 4103/4203 is designed to be
mounted in a rack. If multiple units are installed in one location, no space is needed between units, but
certain regulations may require at least 0.75 inches of space above and below each unit.
Power Requirements
The TRACER 4103/4203 can operate from a supply between 21 and 63 Vdc, with either polarity
referenced to ground, and consumes 16 watts. Current required (in amps) is determined by
dividing the power consumed (in watts) by the applied voltage (in volts). For example, at 48 volts,
TRACER 4103/4203 would draw approximately 16 watts/48 volts = 0.33 amps.
Grounding
The following grounding instructions are derived from the Underwriters' Laboratory UL 1459 Standard
for Safety: Telephone Equipment dated September 20, 1993.
An equipment grounding conductor that is no smaller in size than the ungrounded branch-circuit supply
conductors is to be installed as part of the circuit that supplies the product or system. Bare, covered, or
insulated grounding conductors are acceptable. Individually covered or insulated equipment
grounding conductors shall have a continuous outer finish that is either green, or green with one or
more yellow stripes. The equipment grounding conductor is to be connected to ground at the service
equipment.
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Section 2 Installation
The attachment-plug receptacles in the vicinity of the product or system are all to be of a grounding
type, and the equipment grounding conductors serving these receptacles are to be connected to earth
ground at the service equipment.
A supplementary equipment grounding conductor shall be installed between the product or system and
ground that is in addition to the equipment grounding conductor in the power supply cord.
The supplementary equipment grounding conductor shall not be smaller in size than the undergrounded
branch-circuit supply conductors. The supplementary equipment grounding conductor shall be
connected to the product at the terminal provided, and shall be connected to ground in a manner that
will retain the ground connection when the product is unplugged from the receptacle. The connection
to ground of the supplementary equipment grounding conductor shall be in compliance with the rules
for terminating bonding jumpers at Part K or Article 250 of the National Electrical Code, ANSI/NFPA
70. Termination of the supplementary equipment grounding conductor is permitted to be made to
building steel, to a metal electrical raceway system, or to any grounded item that is permanently and
reliably connected to the electrical service equipment ground.
Bare, covered, or insulated grounding conductors are acceptable. A covered or insulated grounding
conductor shall have a continuous outer finish that is either green, or green with one or more yellow
stripes.
The supplemental equipment grounding terminal is located on the rear panel of the
TRACER 4103/4203.
DS1/DSX-1 Interface
The rear panel of the TRACER 4103/4203 has two sets of jacks labeled T1A and T1B which provide
the same functionality. The pin assignments for the eight-position modular jack are listed below.
Pin
Name
Function
1................... R .................
Send data (ring)
2................... T..................
Send data (tip)
3...........................................
Not Used
4................... R1 ...............
Receive data (ring)
5................... T1................
Receive data (tip)
6...........................................
Not Used
7...........................................
Not Used
8...........................................
Not Used
Bantam jack connections are provided for test equipment access. Data is received on the jack labeled
“IN” and is transmitted on the jack labeled “OUT.” Bantam jacks are provided for both inserting and
monitoring the interfaces. When a plug is placed in the insert jack, the connection between the modular
jack and the interface circuitry is broken. The monitor jacks provide access to monitor the transmitted
and received signals without interference.
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Section 2 Installation
When connecting the T1 interface to the public switched network, an ADTRAN-provided crossover
cable (P/N 3125M011) is required to meet FCC part 68 and IC CS03 requirements. This cable is
required to cross-over the Tx and Rx pairs to meet the connecting arrangement of a network interface
device. This cable, labeled “T1 Crossover,” is included with the TRACER 4103/4203.
For connections to other CPE-type equipment, such as an ADTRAN TSU, a straight-through T1 cable
(ADTRAN P/N 3127004) is included with the TRACER 4103/4203.
Each DS1/DSX-1 interface must be configured for line code and framing via the VT 100 terminal. The
choices for line code are AMI and B8ZS. The options for framing are D4 and ESF. Each channel can
be configured independently of the other and should be configured to match the attached T1 equipment.
The line buildout (LBO) must be set for each DS1/DSX-1 interface. The LBO setting allows each DS1/
DSX-1 interface transmitter to drive the interface with the correct signal strength and equalization based
on the line attenuation between TRACER 4103/4203 and the attached equipment. The LBO is
independently set for each interface via the VT 100 terminal. Two sets of configurations are provided –
DSX-1 for short-haul interface (less than 655 feet) and DS1 for long-haul interfaces (655-6000 feet).
The settings are detailed below.
Interface Type
LBO
DSX-1 ...................... 0-133 feet
DSX-1 .................... 133-266 feet
DSX-1 .................... 266-399 feet
DSX-1 .................... 399-533 feet
DSX-1 .................... 533-655 feet
DS1 .............................. 0 dB
DS1 ............................ -7.5 dB
DS1 .............................-15 dB
DS1 ........................... -22.5 dB
LINK PLANNING
IM POR TAN T
The appropriate transmitter power must be calculated as part of the link planning.
The factors that must be taken into account when planning a link are optimal received signal level,
transmitter power, antenna feedline loss (each end), antenna gain (each end), free space path loss, and
required fade margin.
IM POR TAN T
The optimal signal level for the receiver is -60dBm.
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Section 2 Installation
Antenna Feedline Loss
Feedline loss is a function of feedline type and length. Feedline loss per 100 feet for several types of
coax at RF frequencies is detailed in the table below. The RF loss applies to TRACER 4103/4203 to
antenna interconnection. Antenna manufacturers' specifications may vary.
Cable
2.4 GHz Loss/100 ft (in dB)
(TRACER 4103)
5.7 GHz Loss/100 ft (in dB)
(TRACER 4203)
RG58 ......................................................80 ..................................................N/A
RG8 (air) ................................................20 ..................................................N/A
RG8 (foam) .............................................9 ...................................................N/A
1/4” Coax ............................................. 5.91 ................................................11.36
3/8” Coax ............................................. 5.76 .................................................9.65
1/2” Coax ............................................. 3.83 .................................................6.49
5/8” Coax ............................................. 2.98 .................................................4.90
7/8” Coax .............................................. 2.2 ..................................................N/A
1 1/4” Coax .......................................... 1.62 .................................................N/A
1 5/8” Coax .......................................... 1.41 .................................................N/A
5.8 GHz Elliptical Waveguide ............. N/A .................................................1.23
Antenna Gain
Best performance will result from the use of a parabolic dish antenna. Antenna gain is determined by
the size of the dish, with typical figures detailed below. Dish manufacturers will be able to supply gains
for other types of antenna.
Antenna Diameter
(in feet)
Gain at 2.4 GHz (in dB)
(TRACER 4103)
Gain at 5.8 GHz (in dB)
(TRACER 4203)
2 ........................................ 21................................................28.5
4 ........................................ 27................................................34.2
6 ........................................ 31................................................37.5
8 ........................................ 33................................................40.7
10 ...................................... 35................................................42.5
12 ...................................... 37................................................44.2
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Section 2 Installation
Path Loss
The free space path loss is given by
Loss(dB) = 96.6 + 20 log10f + 20log10D
where D is distance in miles
f is operating frequency in GHz
A tabulation of various path loss is given below.
Link
Distance
(in miles)
2.4 GHz
Path Loss
(in dB)
Link
Distance
(in miles)
2.4 GHz
Path Loss
(in dB)
Link
Distance
(in miles)
5.8 GHz
Path Loss
(in dB)
Link
Distance
(in miles)
5.8 GHz
Path Loss
(in dB)
1..................104
13 .................126
1.................. 112
13..................134
2.................. 110
14 .................127
2.................. 118
14..................135
3.................. 114
15 .................128
3..................121
15..................135
4.................. 116
16 .................128
4..................124
16..................136
5.................. 118
17 .................129
5..................126
17..................136
6..................120
18 .................129
6..................127
18..................137
7..................121
19 .................129
7..................129
19..................137
8..................122
20 .................130
8..................130
20..................138
9..................123
21 .................130
9..................131
21..................138
10................124
22 .................131
10................132
22..................139
11................125
23 .................131
11 ................133
23..................139
12................126
24 .................132
12................133
24..................139
Path Availability
The availability of a path can be expressed by:
availability = (1 - C x T x 2.5 x 10-6 x f x D3 x 10-F/10) x 100%
where C is the climate factor
T is the terrain factor
f is the frequency in GHz
D is the path length in miles
F is the fade margin in dB
Climate factors are given below.
Climate
Climate Factor
Very Dry ....................... 1/8
Temperate ..................... 1/4
Humid ........................... 1/2
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Section 2 Installation
Terrain factors are listed below.
Terrain
Terrain Factor
Smooth ............................4
Average............................1
Mountainous ................. 1/4
The nominal received signal level is -60 dBm. For help in link planning, use the path loss calculation
worksheet below.
-91 dBm (TRACER 4103) -90 dBm (TRACER 4203)
Minimum Signal Power
+_______.......................................................................
Transmitter Feedline Loss
- _______........................................................................ Transmitter Antenna Gain
+_______........................................................................ Path Loss
- _______........................................................................ Receiver Antenna Gain
+_______........................................................................ Receiver Feedline Loss
+_______.......................................................................
Required Fade Margin
=_______........................................................................ (dBm) Transmitter Power Setting
SETTING THE TRANSMITTER POWER
The FCC specifies the maximum transmitter power that may be used for antennae of a given gain. FCC
rules Part 15, Subpart 247 allow for a maximum power of 1 watt into antennae of a gain less than or
equal to 6 dBi. At 2.4 GHz (TRACER 4103), the 1 watt maximum transmitter power must be reduced
by 1 dB for every 3 dB of antenna gain over 6 dBi. Since the TRACER 4103 maximum transmit power
is 100 milliwatts, only antennas with gains above 36 dBi (12 foot diameter parabolic dishes) require any
reduction in transmit power. For the 5.8 GHz band (TRACER 4203), there is no reduction in transmitter
output power required for antennae gains greater than 6 dBi.
The transmitter power is set via the TRACER system configuration page of the VT 100 interface. Attach
a power meter to the N-type antenna connector on the rear panel of the TRACER 4103/4203, and adjust
the power by the VT 100 until the desired transmitter power is obtained.
APPLYING POWER
If a source of 21 to 63 Vdc (16 watts) is available, it may be attached to the rear panel of the
TRACER 4103/4203. The positive lead should be attached to the “+” screw terminal, and the negative
lead should be attached to the “-” screw terminal.
AUTOMATIC FREQUENCY PLAN
Upon the initial application of power, the unit will default to the factory-preset Frequency Plan. The
LED will indicate which frequency plan is active.
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Section 2 Installation
The Frequency Plan designates the frequencies on which the TRACER 4103/4203 transmits and
receives. On the TRACER 4103/4203, plan A corresponds to a TX center frequency of 2422 MHz and
an RX center frequency of 2462 MHz. Plan B on the TRACER 4103/4203 corresponds to a TX center
frequency of 2462 MHz and an RX center frequency of 2422 MHz. On the TRACER 4203, plan A
corresponds to a TX center frequency of 5747 MHz and an RX center frequency of 5827 MHz. Plan B
on the TRACER 4203 corresponds to a TX center frequency of 5827 MHz and an RX center frequency
of 5747 MHz. Shipment of a link consists of one unit set for plan A and the other unit set for plan B,
unless specified otherwise. The Frequency Plan can be changed in the field if necessary. Contact
ADTRAN Technical Support for more information on this procedure.
CHIPPING CODE
The chipping code for each end must be the same. The choice of code is selectable by the operator or
the installer through the VT 100 terminal. TRACER 4103/4203 is shipped in a matched (default)
configuration (code 0). Chipping code is set in the TRACER system configuration menu.
WARNING
Chipping code can be set through the VT 100 interface from the other end of the link. If the remote
end chipping code is accidentally changed, the link will be lost. If the new chipping is unknown,
step the local end of the link through all the other chipping codes until the link is re-established.
CO-LOCATING MULTIPLE SYSTEMS
When multiple transmitters are to be co-located (installed in the same equipment room or on the same
tower), it is advised to set all systems as follows:
1. If more than one system is transmitting from the same location, set the antenna polarity of one system horizontal and the other system(s) vertical if the systems are operating in the same frequency
bands. (The antennas should be marked as to which mounting position is vertical or horizontal.)
This will provide approximately 30 dB of isolation between the different antennas.
2. If more than one TRACER 4103/4203 system is installed, set the co-located transmitters to the
same frequency plan (example: Plan A, Tx=2422 or 5747 MHz; or Plan B, Tx=2462 or 5827
MHz) and set each to a different spreading code. This keeps the transmitters on the additional system(s) from interfering with the co-located receiver(s).
3. If the systems are from different manufacturers, set the transmit frequencies as close as possible
with different spreading codes. Other manufacturers may not use the exact frequency plans as the
TRACER 4103/4203 system, but keeping the frequencies close will reduce the probability of the
transmitter(s) interfering with the co-located receiver(s).
This equipment is authorized under FCC Part 15.247. With this authorization by the FCC, this
equipment shall not be co-located with a similar transmitter that transmits identical information.
ANTENNA ALIGNMENT
After the transmitter power for each end has been adjusted and the TRACER 4103/4203 has been
installed and connected, the antenna should be connected to the TRACER 4103/4203 via the feedline.
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Verify that both antennas are arranged on the same polarity: vertical or horizontal. The antennas should
be aimed toward one another as precisely as possible and the received signal strength indicator (RSSI)
voltage measured. The RSSI voltage is a function of the signal strength at the receiver and is used to
measure the received signal strength. RSSI varies approximately from 0 to greater than 4 volts, with 0
volts corresponding to a weaker received signal and 4 volts or better corresponding to a stronger
received signal.
IM POR TAN T
The voltage level present at the RSSI test point represents only a relative signal level of receive
strength from the far end. No direct correlation can be made between RSSI voltage level and actual
receive level in dBm. This test point is provided to assess relative signal level for alignment of
antennas.
RF LOW
The “RF LO” LED indicates that the received signal is within 10dB of the minimum received signal
strength (approximately -80 dBm). If this indicator is on, the link performance may be marginal. The
antennas should be peaked in azimuth and elevation until the desired signal level is achieved. RSSI may
be monitored on the front of the TRACER 4103/4203. If the received signal is too strong and RSSI
reaches a maximum such that the peak cannot be discerned, then the transmitter power on the far end
should be turned down.
At this point the radio link should be operational. Proper operation can be determined by the status of
the “RF DOWN” LED. If this LED is on, the link is not operational. If this LED is not on, the link is
operating. Certain types of interference can cause one end of a path to operate and the other end to fail.
In some instances, this may be corrected by swapping the frequency plan at each end, thus avoiding the
interference if it is stronger at one end than the other. Changing the spreading code at each end may also
allow interference to be mitigated.
ALARM CONTACTS
Normally open and normally closed alarm contacts are provided on the rear of the TRACER 4103/4203.
The alarm contacts are energized when the RF link goes down. Under normal operating conditions there
is no continuity between the Normally-open and Common contacts. Under an alarm condition,
continuity between those contacts exists. The Normally-closed and Common contacts normally have
continuity, while under alarm conditions, these contacts are open.
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TRACER 4103 /4203 User Manual
SECTION 3
OPERATION
VT 100 USER INTERFACE
The TRACER 4103/4203 may be accessed with a VT 100 compatible terminal set to 9600 bits per
second, 8 data bits, and no parity, connected to the RS-232 port on the back of the unit. Flow control on
the serial interface should be configured to none for proper operation. Once a terminal is connected,
pressing CTRL-L will redraw the current screen. If password access has been enabled, the “Enter
Password:” message will be displayed at the bottom of the TRACER system status menu. TRACER
4103/4203 is shipped with password protection disabled.
RS-232 INTERFACE
The TRACER 4103/4203 has an RS-232 interface for system management via an attached VT 100
terminal, personal computer, or modem. The RS-232 port is configured as a DCE with the following
pin assignments:
Signal Name
Pin Number
Direction
TXD
2
To TRACER 4103/4203
RXD
3
From TRACER 4103/4203
RTS
4
To TRACER 4103/4203
CTS
5
From TRACER 4103/4203
DSR
6
From TRACER 4103/4203
Ground
7
DCD
8
To TRACER 4103/4203
DTR
20
To TRACER 4103/4203
MODEM CONNECTION
Modem controls, discussed in the TRACER system configuration menu section, will enable or disable
modem control. When this option is enabled from a standard terminal connection, all RS-232
communications will cease until a modem is attached with a Null-Modem adapter between the
TRACER 4103/4203 and data modem. The data modem will need to be configured for AUTO
ANSWER and 9600 BPS. When the user connects via modem to the TRACER 4103/4203 unit,
communications via the RS-232 port will resume. If a user accidentally enables modem control from a
terminal and disrupts the RS-232 communication, pressing [CTRL Z] three times, will temporarily
disable the modem control option. This will allow the user to access the system configuration page to
disable modem control.
When modem control is enabled, the RS-232 port is inactive until DTR and DCD are active. This
prohibits data being sent to the modem or received from the modem while idle. The required NullModem adapter may be obtained at any computer hardware supplier. A straight-through serial cable
should be used between the adapter and the modem or TRACER 4103/4203 unit. The modem must be
configured to drop the connection on loss of DTR in order to disconnect.
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Section 3 Operation
CABLE CONNECTIONS
The cable connections required for various configurations are detailed in Appendix A of this manual.
PASSWORD
TRACER 4103/4203 provides optional password protection of the terminal interface. If enabled, a
password prompt is presented at power-up, reboot, or after thirty minutes of inactivity on the terminal.
The default configuration is “Disabled.” Password protection is enabled via the system configuration
menu. The password is also set via the system configuration menu.
If the password is forgotten, physical access to TRACER 4103/4203 is required to access the terminal
interface. The password may be bypassed by holding in the LBK A button while the system is rebooted.
This disables the password and will bring up the TRACER system status menu to allow the password
to be changed via the configuration screen.
C AUTIO N
This procedure is service-affecting.
MENU SELECTIONS
TRACER System Status
The Screen in Figure 3-1 displays the status of major system components. System status is displayed
for both sides of the link. This is a status screen only; no configuration can be performed from this view.
Figure 3-1. TRACER System Status
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61280242T1R1A-1A
Section 3 Operation
The upper portion of the screen indicates how long the system has been running since the last reset
operation. The “T1A” and “T1B” labels will be highlighted if any error conditions exist on that T1
interface.
The status of the radio link is indicated as RF UP or RF DOWN. The left portion of the screen reports
the status of the local system (the system to which the terminal is attached). The right portion of the
screen reports the status of the remote system. During RF DOWN situations, remote status cannot be
obtained and the message “RF Connection Down” will be displayed below the chipping code display.
The approximate transmitter and receiver signal levels are shown via the “fuel gauges” on the left and
right sides of the screen. If the link is down and remote end data is unavailable, the remote side fuel
gauges will be replaced with a “Data Not Available” message. Chipping code indicates the code to
which the system is set. From any menu in the VT 100 menu structure, pressing the 0 (zero) key will
bring the operator back to this screen. Pressing M from this or any other menu will take the user to the
TRACER main menu.
Main Menu
Pressing M on any screen will take the user to the TRACER main menu, from which all other menus
are accessed. Figure 3-2 shows the TRACER main menu screen.
Figure 3-2. TRACER Main Menu
To return to the TRACER status page, press 0 from any menu or use the arrow keys to move to option
0 and then press Enter.
TRACER System Configuration
Pressing 1 from the TRACER main menu or using the arrow keys to move to option 1 and then pressing
Enter will select the TRACER system configuration menu. The upper portion of this screen shows
transmit and receive power on both ends of the link. Local and remote transmit power levels can be
adjusted from this menu, while the receive power levels are a function of the link characteristics and
cannot be changed. Selections are made by highlighting the option with the up or down arrow keys and
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61280242T1R1A-1A
Section 3 Operation
then pressing Enter. The option is changed by using the left or right arrow keys and the pressing Enter
to enable the current selection.
Figure 3-3. TRACER System Configuration
Rx Power shows a relative receive signal level and is for display only.
Tx Power allows the transmitter power to be adjusted.
Chipping Code allows the chipping code to be selected. Each end of the link must be configured for
the same chipping code.
Site Name allows a string of up to 32 characters to be entered as a site identifier.
Modem Control configures the modem control leads on the RS 232 port. Disabling modem control
lowers the DSR signal, which becomes DTR after passing through the null modem adapter. Configure
the modem to disconnect on loss of DTR so the dialup connection will automatically drop. The default
setting is Disabled.
Modem Connection causes the unit to de-assert CTS and DSR for a time greater than 20 milliseconds.
This signals the modem to hang up the line. Hangup-on-DTR-Drop may need to be explicitly enabled
on some modems. If password protection is enabled, this option also causes the unit to log out to the
system status menu and await password input.
Password Enable allows password protection to be enabled or disabled. The default setting is Disabled.
If password protection is enabled, the unit will automatically log out to the system status menu after 15
minutes and await password input.
Password allows the password to be set or changed. The default password is tracer.
Clear Performance Stats resets all the error counters.
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Section 3 Operation
IM POR TAN T
If the remote end chipping code is accidentally changed from this menu, the link will be lost. If the
new chipping code is unknown, step the local end of the link through all the other chipping codes
until the link is re-established.
TRACER Link Performance History
Pressing 2 from the TRACER main menu or using the arrow keys to move to option 2 and then pressing
Enter will select the TRACER link performance history menu. The screen in Figure 3-4 presents
detailed error statistics for the RF link. The data is presented as link (LNK) errors representing errored
seconds received on the wireless link. This is generally an indication of path or interference problems.
The counts for the most recent 24 hours are recorded in 15-minute increments. Twenty-four-hour totals
are recorded for the most recent days. To view the next eight hours (32 15-minute intervals) of
performance history, press N. To view the previous eight hours, press P. This information is available
for both ends of the link. To return to the TRACER main menu, press M.
Figure 3-4. TRACER Link Performance History
T1A and T1B Status/Configuration/Loopback
Pressing 3 from the TRACER main menu or using the arrow keys to move to option 3 and then pressing
Enter will select the T1A status/configuration/loopback menu. Option 5 selects the T1B status/
configuration/loopback menu.
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Section 3 Operation
The upper portion of this screen shows a real-time representation of the T1 link.
Figure 3-5. T1A Status/Configuration/Loopback
T1 Interface Alarms - Any active T1 alarms will be displayed for both ends of the link immediately
below the link status, if both ends of the link have alarm reporting enabled. These alarms include red,
blue, yellow, AIS, and bipolar variations (BPV). See Troubleshooting on page 37 for more information
on these alarms.
Line Buildout allows each T1 to be configured for the appropriate line buildout, based on the distance
to the T1 equipment.
Alarm Reporting can be enabled or disabled at either end of the link. If it is disabled, no alarms will
be registered on this page. Each end of the link operates independently with regard to alarm reporting.
Therefore, it is possible to have alarms enabled on the remote side and disabled locally, or vice-versa.
Signaling allows each T1 to be configured independently for D4 or ESF framing.
Line Code allows each T1 to be configured for AMI or B8ZS.
Loop/Normal State controls the loop status of the T1 link. Supported loopbacks include:
Link - The local unit is looped at the T1 framer so that data is looped back to the far end.
Line - The local unit is looped at the T1 interface so that data is looped back locally to the device
attached to the T1 port.
Normal - No loopback present.
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Section 3 Operation
Table 3-1 describes the T1 interface alarms.
Table 3-1. T1 Interface Alarms
BPV
This alarm will activate when the incoming T1 stream
presents bipolar violations (BPVs).
AIS
Alarm Indication Signal - This alarm will activate
when the DS1/DSX-1 input receives a “blue code” (a
string of 2316 1s with no more than one zero).
YEL
This alarm will activate when a Yellow alarm is
received on the T1.
RED
Red Alarm - This alarm will activate when there is no
signal present on the T1 interface.
LOS
This alarm (loss of signal) will activate when there is
no signal present at the T1 interface.
T1A and T1B Performance History
Pressing 4 from the TRACER main menu or using the arrow keys to move to option 4 and then pressing
Enter will select the T1A performance history menu. Option 6 selects the T1B performance history
menu.The screen in Figure 3-6 presents detailed error statistics for T1A. The data is presented as
Errored Seconds and Severely Errored Seconds. The counts for the most recent 24 hours are recorded in
15-minute increments. Twenty-four-hour totals are recorded for the most recent days. To view the next
eight hours (32 15-minute intervals) of performance history, press N. To view the previous eight hours,
press P. This information is available for both ends of the link. To return to the TRACER main menu,
press M.
Figure 3-6. T1A Performance History
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61280242T1R1A-1A
Section 3 Operation
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TRACER 4103/4203 User Manual
SECTION 4
TROUBLESHOOTING
IM POR TAN T
If problems persist after you have followed the Recommended Actions, contact ADTRAN
Technical Support at (888) 423-8726.
Power LED is not Lit
If the power LED is not lit, it is an indicator that the TRACER 4103/4203 is not receiving adequate DC
power.
Recommended Actions:
1. Verify that the power source is delivering between and 21- 63 VDC.
2. Check the polarity of the power connection by verifying that the positive voltage is applied to
the terminal labeled “+” and the negative voltage is applied to the terminal labeled “-.”
3. Check the internal fuse. The fuse is accessed by removing the top of the unit, and is located on
the left side of the chassis when facing the front panel. If this fuse is open, replace with a
1 Amp, 250 Volt slow blow type fuse.
Test LED is Blinking or On (solid)
The test LED will remain On (solid) during power-up indicating a self-test is in progress. If the test LED
is Blinking or remains On (solid) after 10 seconds, this indicates that TRACER 4103/4203 unit has
failed a self test. This is an internal failure, and ADTRAN technical support should be contacted.
Link Down LED is Lit (RF Link is Down)
Recommended Actions:
1. Check the RF coaxial cable connection.
2. Measure the RSSI voltage. If the signal is good (> 2.0 Vdc at RSSI Test Point), go to step 6.
3. Verify that one end of the link is configured as plan A and the other end is configured as plan
B.
4. Verify that the antenna polarization is the same at both ends of the RF signal transmit and
receive path.
5. Verify that the RF signal path is clear.
6. Verify that the chipping codes are the same on both ends of the link.
7. Check for possible interference at both ends of the link. If necessary, change polarization and/
or PN code at both ends.
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Section 4 Troubleshooting
IM POR TAN T
If problems persist after you have followed the Recommended Actions, contact ADTRAN
Technical Support at (888) 423-8726.
RF Low LED is Lit
This indicates that the received signal is within approximately 10 dB of the minimum operable signal.
This condition is typically indicative of a path problem.
Recommended Actions:
1. Verify the far-end transmitter power setting is the value that the link planning budget allows.
2. Check all coaxial cable connectors for solid connections. Check for water and corrosion
around any of the connectors.
3. Verify the RF signal path by verifying the antenna alignment.
4. Check integrity of the cable plant.
5. Check integrity of lightning arrestors.
LOS LED is Lit (Red Alarm)
A Red Alarm (loss of signal) is generated at the TRACER 4103/4203 T1 interface when that interface
cannot find the T1 framing information. This error may be due to a degraded signal or no signal, or it
may be caused by improper framing.
Recommended Actions:
1. Verify that the T1 cable is connected to the T1 interface on the TRACER 4103/4203 unit.
2. If the RJ-45 connection is used, verify that the connector is wired correctly. If the bantam jacks
are used, verify that they are inserted into the correct sockets.
3. Verify the connections at the opposite end of the T1 cable.
4. Verify that the framing mode (ESF or D4) is on the same setting for both the TRACER 4103/
4203 unit and the connected equipment.
AIS LED is Lit (Yellow Alarm)
A Yellow Alarm, when indicated at TRACER 4103/4203, is generated by the attached equipment.
When the attached equipment's T1 interface is in Red Alarm, a Yellow Alarm will be generated at the
TRACER 4103/4203 unit.
Recommended Action:
1. Follow the troubleshooting steps for Red Alarm, but do so at the attached equipment.
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Section 4 Troubleshooting
IM POR TAN T
If problems persist after you have followed the Recommended Actions, contact ADTRAN
Technical Support at (888) 423-8726.
AIS LED is Blinking (Alarm Indication Signal or Blue Alarm)
A Blue Alarm (also called AIS, keep alive, and all-ones), when indicated at TRACER 4103/4203, is
generated by the attached equipment. The root cause must be determined at the attached equipment. A
typical cause of a blue alarm is a lack of input to a CSU.
Recommended Action:
1. Verify the input to any attached data equipment.
BPV LED is Lit (Bipolar Violations)
This alarm will activate when the incoming T1 stream presents Bipolar Violations (BPV). BPVs indicate an improper configuration or a faulty cable plant.
Recommended Actions:
1. Verify the TRACER 4103/4203 unit and the attached equipment are configured for the same
line coding (AMI or B8ZS).
2. Verify that the Line Buildout (LBO) of the attached equipment is correct.
3. Inspect the cable plant for split pairs. A split pair is a condition in which the T1 interface is
incorrectly wired into the cable plant. Each interface direction, transmit and receive, is carried
on two signals - tip and ring. Normally, tip and ring for the transmit signal comprise the two
wires for a single twisted pair in the bundle. It is not uncommon for one connection from the
transmit interface and one connection from the receive interface to comprise another twisted
pair. This condition is referred to as a split pair, and it can cause signal degradation.
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Section 4 Troubleshooting
40
TRACER 4103/4203 User Manual
SECTION 5
SPECIFICATIONS
This section lists the specifications for the TRACER 4103 and TRACER 4203 systems.
Transmitter
Output Power.............................................................................................................. +20 dBm, max
Frequency Range ..... 2400 to 2483.5 MHz (TRACER 4103); 5725 to 5850 MHz (TRACER 4203)
Channel Bandwidth .......................................40 MHz (TRACER 4103); 62 MHz (TRACER 4203)
Intermediate Frequency ....................................................................................................... 280 MHz
Receiver
Receive Level, range .............. -30 to -91 dBm (TRACER 4103); -30 to -90 dBm (TRACER 4203)
Receive Level, maximum ..................................................................................................... -30 dBm
Receive Level, nominal ........................................................................................................ -60 dBm
Intermediate Frequency ....................................................................................................... 140 MHz
Frequency Plan
Plan A
Plan B
Plan A
Plan B
2.4 GHz (TRACER 4103) ..................................................... Tx 2.422 GHz, Rx 2.462 GHz
2.4 GHz (TRACER 4103) ..................................................... Tx 2.462 GHz, Rx 2.422 GHz
5.8 GHz (TRACER 4203) ..................................................... Tx 5.747 GHz, Rx 5.827 GHz
5.8 GHz (TRACER 4203) ..................................................... Tx 5.827 GHz, Rx 5.747 GHz
Spread Spectrum Data Pump
Modulation ............................................................................................................................... QPSK
Spreading Method .................................................................................................... Direct sequence
Code Length .......................................................................................................................... 120 bits
Processing Gain ...................................................................................................................... >12 dB
Number of Codes............................................................................................................................ 10
Chipping Rate ....................................................................................................................... 12 times
T1 Interface Specifications
Capacity ....................................................................................................................................2 x T1
Connection................................................................................................................ RJ-48C, bantam
Line Code ........................................................................................................................ AMI, B8ZS
Framing................................................................................................................................. D4, ESF
Alarms ........................................................................................................ AIS, Red, Yellow, BPVs
Loopbacks............................................................................................................... Local and remote
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Section 5 Specifications
User Interface
Front Panel ............................................................................................ Alarm LEDs, Monitor Jacks
Diagnostics.................................................................................................................... T1 Loopback
Test Points...............................................................................RSSI, QPSK Constellation, TX PWR
VT 100 Terminal.....................................Menu-Driven User Interface, Control of the Remote End,
Password Protected (Optional), Event History
VT 100 Terminal Interface
Data Rate.............................................................................................................................. 9600 bps
Data Bits............................................................................................................................................8
Parity ..........................................................................................................................................None
Stop Bits ............................................................................................................................................1
Terminal Emulation ............................................................................................................... VT 100
Mechanical & Environmental
TRACER 4103/4203
Operating Temperature ................................................................................................-25°C to 65°C
Size.......................................................................................................................19" x 1.75" x 10.5"
Humidity .........................................................................................................95%, Non-condensing
Weight .........................................................................................................................................6 lbs
Power
Input Voltage.......................................................21 to 63 Vdc, either polarity referenced to ground
Power Consumption .............................................................................................................. 16 watts
Connector .................................................................................................. 2 pin terminal block (DC)
Fuse ............................................................................................................1 amp, 250 Volt slo-blow
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TRACER 4103/4203 User Manual
SECTION 6
WARRANTY, ORDERING AND RETURN
WARRANTY
ADTRAN will replace or repair this product within five years from the date of shipment if it does not
meet its published specifications or fails due to defects in materials and workmanship.
For detailed warranty, repair, and return information, refer to the ADTRAN Equipment Warranty, Repair, and Return Policy and Procedure located on the ADTRAN web site at http://www.adtran.com.
SALES
For TRACER 4103/4203 sales information, contact ADTRAN Sales at:
(888) 3ADTRAN or http://www.adtranwireless.com
TECHNICAL SUPPORT
Standard support hours are 7 a.m. to 7 p.m. CST, Monday through Friday. Emergency technical support
is available 24 hours a day, seven days a week.
For technical support at any time, contact ADTRAN at:
(888) 423-8726
REPAIRS AND RETURNS
Return Material Authorization (RMA) is required prior to returning equipment to ADTRAN.
For RMA information, contact ADTRAN at:
(800) 726-8663
or ADTRAN, Inc.
Customer Service Department
P.O. Box 140000 / 901 Explorer Boulevard
Huntsville, Alabama 35814-4000
When returning faulty equipment, please include the RMA number on the shipping label.
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Section 6 Warranty, Ordering and Return
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TRACER 4103/4203 User Manual
GLOSSARY
ACRONYMS USED IN THIS MANUAL
AMI................................................................................Alternate Mark Inversion
B8ZS ..............................................................................Bipolar 8 zero substitution
BER................................................................................Bit error rate
CRC................................................................................Cyclic Redundancy Check
DCE................................................................................Data Communications Equipment
DTE................................................................................Data Terminal Equipment
ESF.................................................................................Extended superframe
FCC ................................................................................Federal Communications Commission
FEC ................................................................................Forward error correction
IF ....................................................................................Intermediate Frequency
ISM ................................................................................Industrial, Scientific, and Medical
LBK................................................................................Loopback
QPSK .............................................................................Quadrature Phase Shift Keying
RF...................................................................................Radio frequency
RSSI ...............................................................................Received signal strength indicator
Rx ...................................................................................Receive
SF ...................................................................................Superframe
Tx ...................................................................................Transmit
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Glossary
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TRACER 4103/4203 User Manual
APPENDIX A
CABLE CONNECTIONS
The cable connections required for various configurations are detailed below.
Terminal Connection (DB25)
TRACER 4103
(DCE)
Number
Name
Terminal (DTE)
Number
Name
2 .................. TXD
2 .................
TXD
3 .................. RXD
3 .................
RXD
4 .................. RTS
4 .................
RTS
5 .................. CTS
5 .................
CTS
6 .................. DSR
6 .................
DSR
7 .................. Ground
7 .................
Ground
Personal Computer Connection (DB9)
TRACER 4103
(DCE)
Computer (DTE)
Number
Name
Number
Name
2
TXD
3 .................
TXD
3
RXD
2 .................
RXD
4
RTS
7 .................
RTS
5
CTS
8 .................
CTS
6
DSR
6 .................
DSR
7
Ground
5 .................
Ground
Modem Connection (DB25)
TRACER 4103
(DCE)
Number
Number
Name
2 .................. TXD
3 .................
RXD
3 .................. RXD
2 .................
TXD
4 .................. RTS
5 ..................
CTS
5 .................. CTS
4 .................
RTS
6 .................. DSR
20 ...............
DTR
7 .................. Ground
7 .................
Ground
TRACER 4103/4203 User Manual
Name
Modem (DCE)
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Appendix A Cable Connections
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TRACER 4103/4203 User Manual
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