IPWireless First Generation AJ Node B Installation Manual
Below you will find brief information for Node B First Generation AJ. The Node B is the radio base station used by the IPWireless network. It converts 100 Base T packet data into the UTRAN TDCDMA air interface used between the Node B and the 3G Modem. The Node B can be configured to support a variety of configurations and can support one to six sectors of coverage. The Node B is connected to the network by an INC that can be co-located at the site. The Node B is designed so that it can be installed on a wall, pole, or in a rack.
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“IPWireless”
Model AJ Installation Manual
(First Generation NodeB)
Node B Installation Guide
DRAFT
DOCUMENT INFORMATION
IMPORTANT
Please review the terms below as your review and/or use of this document is subject to such terms. Your review and use of this document means that you agree to such terms. If you do not agree to the terms below, immediately inform us that you do not agree, return this document to us, and do not conduct any of the activities described in this document.
Legal Terms Governing This Document
About the Information Contained in the Document: IPWireless and its subsidiaries and other affiliates
(collectively, "IPWireless") have used reasonable efforts to help ensure that the information and specifications published here are current as the date of publication of this document. However, we are continuously improving and adding features to our products and systems. Accordingly, IPWireless reserves the right to change the information in this document without prior notice. You may verify any product or system specifications in this document by contacting our office. IPWireless shall not be liable for technical or editorial errors or omissions which may occur in this document.
The Content of the Document: This document is protected by the copyright and trade secret laws of the United
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"IPWireless" is a trademark of IPWireless, Inc. and may be registered in the U.S. and other jurisdictions. Certain other marks used in this document belong to their respective owners.
Disclaimer of Warranties: Although IPWireless has used reasonable efforts to produce this document, THIS
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WARRANTIES, EXPRESS OR IMPLIED, CONCERNING THIS DOCUMENT AND THE USE OF THIS
DOCUMENT, INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY,
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Limitation of Liability: IN NO EVENT WILL IPWIRELESS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMITATION,
LOST PROFITS), ARISING OUT OF OR RELATED TO THIS DOCUMENT AND THE USE OF THIS
DOCUMENT, UNDER ANY THEORY OF LIABILITY, WHETHER IN AN ACTION IN CONTRACT, STRICT
LIABILITY, TORT (INCLUDING NEGLIGENCE) OR OTHER LEGAL OR EQUITABLE THEORY, EVEN IF
IPWIRELESS KNEW OR SHOULD HAVE KNOWN OF THE POSSIBILITY OF SUCH DAMAGES.
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Our Relationship: Nothing contained herein shall be construed as creating any agency, distributorship, partnership, or other form of joint enterprise between you and IPWireless. You are agree not to make any representations on behalf of IPWireless or otherwise assume for IPWireless any other liability in connection with any IPWireless product or service.
In General: These terms supersede any and all prior or contemporaneous written or oral agreements with regard to the subject matter of these terms. A failure to enforce these terms shall not be considered a waiver of any rights.
These terms are governed by California law, without regard to its choice of laws.
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Node B Installation Guide
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Node B Installation Guide
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TABLE OF CONTENTS
3 (STEP 3) MOUNTING THE NODE B BRACKET...................................................11
4 SITE PREPARATION FOR NODE B INSTALLATION..........................................15
5 (STEP 10) PHYSICAL INSTALLATION OF THE NODE B ...................................18
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Node B Installation Guide
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6 (STEP 11) POWER UP AND INITIAL SETUP OF NODE B ..................................35
8 (STEP 12) SOFTWARE INSTALLATION ..............................................................37
10 OPERATION & MAINTENANCE........................................................................37
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Node B Installation Guide
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LIST OF ILLUSTRATIONS
INDICES
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Node B Installation Guide
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Precautions
C AUTION S IGNS
GENERAL
WARNING
ELECTRICAL
HAZARD
BURN/HEAT
HAZARD
CORROSIVE
MATERIALS
GROUND
GENERAL
SAFETY
PRECAUTION
HIGH VOLTAGE:
Direct contact with these areas will result in severe physical harm and property damage
HEAT: Direct contact with this surface will result in severe burns
CORROSIVE:
Direct contact with this surface will result in chemical burns
GROUND: Site for grounding equipment
These cautionary signs are used on the physical equipment and throughout this manual. For safety of personnel and protection of equipment observe these precautions when installing, operating or servicing the equipment and surrounding areas.
Electrical
Power Supply – cord fitted for AC or DC. DO NOT adapt to a different configuration.
Power supply circuits carry high voltages. Remove rings, watches, and other jewellery before working with this type of equipment.
Batteries – Installation of this equipment requires working with lead acid batteries. These batteries present chemical, electric and gaseous hazards. Batteries are not supplied by IPWireless for the Node B equipment although UPS systems may be coupled with the device in order to provide back up power in case of power outages.
Modifications: DO NOT modify this equipment. This equipment has been certified by the
FCC in the configuration in which is has been shipped to the user. Any changes to this equipment made by the user could invalidate the certification and the ability of the user to operate this equipment.
Physical
Weight – Each node B weighs 25 pounds. Precautions should be taken, depending on the installation site conditions, in lifting and hoisting the device. Generally one person will be able to install the unit at the site.
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful
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Node B Installation Guide
DRAFT interference in which case the user will be required to correct the interference at his own expense.
Environmental
There are different precautions to take within each environment. Specific precautions are listed in the installation section for that environment.
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Node B Installation Guide
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1 OVERVIEW
Node B is the European Technical Standards Institute’s (ETSI) name for the radio base station.
The basic function of the Node B is to convert 100 Base T packet data into the UTRAN TD-
CDMA air interface used between the Node B and the 3G Modem. The Node B can be configured to operate in configurations ranging from a single sector or omni mode, up to a 6 sector arrangement. One Node B is required for each sector of coverage, in the case of an omni configuration one Node B will be required. The Node B is controlled by an INC (Integrated network Controller) Generally co located at the site in a separate cabinet.
N ODE B H IGH L EVEL S PECIFICATIONS
N ODE B F RONT V IEW
Unit Specification
Measurements
Weight with mounting
Bracket
16” H x 12” W x 5” D
40 Pounds
Frequency
Power output
Power Consumption
Input Power
Heat Dissipation
2500 – 2686 MHz
+34 dBm
300 Watts max
110 VAC or -48 V DC
184 Watts
Ambient Operational Temp
Range
-40ºC to +55ºC
Cooling Convection
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Node B Installation Guide
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2 PRE-INSTALLATION
2.1 Installation Check Card
The following steps should be taken during the installation process in order to ensure safe and timely installations.
Initials/Date Step
1
Action
Perform pre-installation site check
2
3
Parts shipped/tools required
Install Node B mounting bracket
4 Install conduit for power and INC connectivity
5 Install Antennas and Coax
6 Grounding installation and inspection
Page
7 Inspect site for GPS line of site
8 Install 100 BaseT connections between INC and NodeB
9 Local Alarm Connections
10 Physical installation of Node B
11 Power up and Initial setup and test of Node B
13 On Air final check
2.2 (Step 1) Pre-Installation Site Check
1. Review site construction drawings to determine if site was constructed according to the drawings
2. Review drawings and actual installation to determine location of Node B installation.
3. Check availability of electrical connections
4. Review if construction is completed to the point that it is safe to install the Node B.
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Node B Installation Guide
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2.3 (Step 2) Parts Shipped
Use this checklist to check quantity and quality of parts as they are unpacked
P ARTS C HECK
Part Name Description Amount Quality Checks
Node B Assembly
Bracket Assembly Node B mounting assembly
Power Availability -48Volt or 110
VAC
Alarm Contacts
Antenna
Dry contacts for external alarm
Node B Transmit and receive antennas
1 per sector Check shipping container for damage and if quantities are correct
1 per Node B Check shipping container for damage, quantities, and type
1 connection per Node B
Check to see if power cabinet is installed and the correct amount of power connections are available
2 antennas per Node B
Check to see if external alarms for lights, intrusion, fire, etc are available
Check box for damage. Check to see if quantity is correct.
Cables grounding
100 BaseT, power, coaxial cable, jumpers
Grounding Lightning protection and grounding,
Ensure all connectors and quantities are available for installation
Ensure all cables are available and that they are not damaged
2 AWG stranded copper
2.4 (Step 2) Tools Required for Installation
In addition to standard construction equipment, you should have the following on hand prior to installation:
T OOLS R EQUIRED P HYSICAL I NSTALLATION
Tool Description
Basic telecommunications tool kit
Crimper
Includes screwdriver, socket wrenches, etc.
RJ 45 crimper connector
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Node B Installation Guide
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3 (Step 3) MOUNTING THE NODE B BRACKET
There are three ways of installing the Node B – Wall, Pole and Rack Mounts.
This section explains the three different mounting types with the installation and powering procedure for each type of mount.
PRECAUTIONS
The following precautions and checks are applicable to all mounting types.
Leave blanking plugs over all connectors until they have been connected to the appropriate cabling. These plugs are specially fitted to keep moisture and contaminates out of the unit.
Connectors have been manufactured to fit their specific cables. Do not modify or force connectors.
Check Site Plans for engineering approval.
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Node B Installation Guide
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W
ALL
M
OUNT
A
SSEMBLY
General Safety Precautions:
•
Wall construction is able to support the weight of the unit assembly.
•
Proper grounding
3.1.1 Mounting Considerations
Consider the earthquake zone requirements for the given site being considered. Ensure that the mounting location complies with these considerations.
Review the GPS installation guidelines to ensure that the location will allow proper operation of the Node B. I.e. a Southern Exposure is required for outside installations and a remote GPS antenna or GPS repeater will be necessary in areas without a southern exposure or indoors.
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Node B Installation Guide
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P OLE M OUNT A SSEMBLY
Illustration 3 shows antenna and mounting brackets fixed on an aluminum type pole.
General precautions –
•
Do not install in winds over 40 Mph.
•
Do not install when lightning is closer than 2 miles.
•
Do not attempt to install in rain.
3.2.1 Mounting Considerations
Consider the earthquake zone requirements for the given site being considered. Ensure that the mounting location complies with these considerations.
Review the GPS installation guidelines to ensure that the location will allow proper operation of the Node B. I.e. a Southern Exposure is required for outside installations and a remote GPS antenna or GPS repeater will be necessary in areas without a southern exposure or indoors.
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Node B Installation Guide
DRAFT
R ACK M OUNT A SSEMBLY
General Precautions
3.3.1 Mounting Considerations
Consider the earthquake zone requirements for the given site being considered. Ensure that the mounting location complies with these considerations.
Review the GPS installation guidelines to ensure that the location will allow proper operation of the Node B. I.e. a Southern Exposure is required for outside installations and a remote GPS antenna or GPS repeater will be necessary in areas without a southern exposure or indoors.
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Node B Installation Guide
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4 Site Preparation for Node B Installation
4.1 (Step 4) Conduit Installation
Conduit is typically required between the INC and the Power source. In the case of the outdoor installation the INC and power source are housed in the same cabinet. Power and Ethernet cables are to be pulled through the conduit, one power cable and one Ethernet cable for each Node B. If external alarms are to be utilized conduit may also be necessary between the external alarm device and the Node B for monitoring the alarm.
4.2 (Step 5) Antenna and Coax installation
Antenna’s and coaxial cable should be available at the site, and are part of the construction checklist. Two antennas per Node B are required, therefore two coaxial cables per Node B should be available.
Cables should be properly marked to indicate what antenna the coaxial cables are to be connected to the Node B serving the sector or area.
The coaxial cables are to be terminated to a lightning arrestor and a jumper installed to the proper length between the lightning arrestor and the Node B location.
Main Antenna Tx & Rx –
Left Hand Side
Diversity Rx Antenna –
Right Hand Side
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Node B Installation Guide
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4.3 (Step 7) GPS
For proper operation of the GPS receiver, the Node B must have a clear southern view of the sky.
A site survey should be done before Node B installation to verify that the Node B installation location is suitable for GPS reception. A simple survey method is to take a handheld GPS receiver to the site and verify that GPS lock is obtained in the location of the Node B installation.
The handheld GPS should be able to obtain a “locked” condition within 2 minutes of power-on, and should be able to see a minimum of 4 satellites at all times. Note that when the Node B is to be installed on or near a tower or building wall, the GPS survey should replicate this configuration exactly.
4.4 Service Cover Area
The following figures illustrate the key elements for reference in the cable interface service area of the NodeB.
7 Segment Display
RJ45 Cable Clamp
Mains Supply
Safety cover
Alarm
Cable Clamp
Seal Cable Clamp
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Node B Installation Guide
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4.5 (Step 9) External Alarms
If local alarms are to be utilized for a terminal block has been provided on the Node B termination panel. The specifications for those interface requirements are below.
4.5.1 Alarm Input Specification
The alarm inputs from the Node B Patch board to the digital board shall be TTL levels and active high.
The external alarm inputs shall be opto-isolated current loops.
The voltage and currents shall be supplied by the external source.
4.5.2 Alarm Output Specification
The alarm outputs from the digital board to the Node B Patch Board shall be TTL levels and active high. .
The external alarm outputs shall be isolated normally-open relay contacts capable of switching at least 100mA DC.
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Node B Installation Guide
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5 (Step 10) PHYSICAL INSTALLATION OF THE NODE B
5.1 Placing the Node B into the Rack
It is assumed that the unit has been removed from the packing crate and that all materials are checked and present, further that all the site preparation has been planned.
Sighting the NodeB
The first priority in sighting the NodeB is that the GPS antenna can ‘see’ the sky and therefore the satellites. See section 4.4 for further guidance.
From a physical view point, the GPS antenna should ‘see’ at least a 90º quadrant of the ski above the GPS antenna, see figure below.
GPS Antenna Field of Vision - No
<Detail to be added>
GPS Antenna
Min 1m
Min 1m
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Node B Installation Guide
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Wall Bracket Mounting
Position template and drill holes thru template at appropriate positions as marked below.
1000 mm (39.4 inches)
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Node B Installation Guide
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The conduits must be fixed to the brackets prior to fixing the bracket to the wall.
Leave a sufficient loop of cables to enable them to be prep’d back to the appropriate length.
Looped
Cable
The following figure specifies the way the conduit bracket glands have been designated signifying which cables should be fed thru which gland.
Power
T1 x 2
T1 x 2 or
Ethernet x1
LNA
Alarms
The glands and conduit should be fitted to the mount bracket prior to the NodeB being mounted onto to the mounting bracket.
The cable should be fed thru the glands and the glands ‘sealed’ prior to the NodeB being mounted onto to the mounting bracket. Excess cable should be fed thru.
The cables should be secured to the conduit bracket strain relief.
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Node B Installation Guide
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The conduit pivot bracket should be in the open position see below.
Conduit pivot bracket open
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Node B Installation Guide
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NodeB onto Mounting Bracket o Align the top dowel pins with top holes in bracket o Insert & drop o Ensure all dowels are inserted, if not repeat o Feed cables thru gap between service cover hinges o Secure NodeB to bracket using two screws
Insert & Drop
Securing
Screws
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Node B Installation Guide
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5.2 Service Area Interfaces
The following figures illustrate the key elements for reference in the cable interface service area of the NodeB. The ground connection is at the rear of the unit see below.
7 Segment Display
RJ45 Cable Clamp
Mains Supply
Safety cover
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Alarm
Cable Clamp
Seal Cable Clamp
Node B Installation Guide
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5.3 (Step 6) Grounding Installation and Inspection
Grounding materials used for the node consist of #2 AWG BCW tinned-ring solid copper wire leading from the ground lug on the right rear section of the node to the grounding buss bar. The grounding wire crimps on a double lug lead going from the buss bar to a grounding ring via a
Cadweld (exothermic) ground ring. A typical ground ring consists of eight foot long stainless steel ground rods which are 5/8” diameter. Although each site will be designed for that specific site installation.
M10 washer
M10 nut
Earth braid
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Node B Installation Guide
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5.4 Cable Clamp Seal
Seal Cable
Clamp
Remove the cable clamp by loosening the 4xHex-Socket head screws, see figure below.
Hex-Socket
Fixings (4off)
Seal Cable
Clamp
Removed
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Node B Installation Guide
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5.5 Connecting Power to the Node B
The power supply can be either universal ACDC coverter of 300W, universal input range of
90 to 240Vac with a 12Vdc output or a –48Vdc input to 12Vdc output.
•
Cable preparation – Specification: terminal blocks maximum cable size 2mm
2
(14AWG)
& maximum size of outer diameter 7mm.
•
Remove mains protective cover (2 screws)
•
Loosen strain relief Clamp Earth Clamp (2 screws)
•
Insert cable into terminal block
•
Secure strain relief (2 screws)
•
Replace protective cover (2 screws)
Mains
Cable Clamp
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Node B Installation Guide
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5.6 Backhaul Connections to INC
The Node B currently requires one 100 BaseT connection to a serving INC. Future enhancements will enable (4) T1's for connection to a serving INC. The connections are labeled and shown in the figure below.
If the Node B is in not in the same site location as the serving INC, there must be no greater than a 5 millisecond delay on the backhaul connection. This can be provided by microwave or land based facilities with a very high reliability rate of 99.9995%.
Backhaul
T1 (4)
Backhaul
100BaseT
Power
Terminals
Protective
Cover
Terminate the Ethernet cables with RJ48 connectors and strip the wire to allow proper connection to the earth bar. Test the continuity for the Ethernet cables with test equipment consisting of a main and a remote unit.
The termination for these interfaces is specified within the datasheets for the interfaces. The specification for both cables should be CAT5 - 4 pair, screened cable, recommended Alcatel
LANmark-5 F
2
TP or equivalent.
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Node B Installation Guide
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The pin-outs for the external Ethernet & T1 interfaces are given in the following tables. Source: http://www.dcbnet.com/notes/9611t1.html
Figure 3: Ethernet Pin-outs using RJ45
1 RX + White w/Green
2 RX - Green
3 TX + White w/Orange
4 Blue
5 White w/Blue
6 TX - Orange
7 White w/Brown
8 Brown
Figure 4: T1 Pin-outs
1 Receive (ring)
2 Receive (tip)
3 Not Used
4 Transmit (ring)
5 Transmit (tip)
6 Not Used
7 Not Used
8 Not Used
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Node B Installation Guide
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Connecting T1 or 100baseT cables to NodeB
Remove the RJ45 Cable Clamp Ground Bar 4x M3 nuts.
Strip back outer plastic sheath to expose shield.
Ensure shield is in contact with
Earth Bracket
Replace Ground bar (4 Fixings)
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Node B Installation Guide
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The description of the alarms is as follows
Alarm Inputs
The alarm inputs from the Node B Patch board to the digital board shall be TTL levels and active high. The external alarm inputs shall be opto-isolated current loops. The voltage and currents shall be supplied by the external source.
Alarm Outputs
The alarm outputs from the digital board to the Node B Patch Board shall be TTL levels and active high. The external alarm outputs shall be isolated normally-open relay contacts capable of switching at least 100mA DC.
The connectors are 12way (alarm inputs) and 2ways for the alarm outputs, 2.5mm pitch header that mate with the supplied cable mount – tension clamp. The cables should be stripped 5-6mm and inserted into the connector prior to mating with the NodeB.
The signals are paired starting from the right, pin1 is the right-hand-side on each connector.
Figure 4 : Alarm Outputs (2x2) Figure 4 : Alarm Inputs
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Node B Installation Guide
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5.8
Replacement of the Seal cable clamp
Replace Seal Cable Clamp & secure with 4 x M4 screws
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Node B Installation Guide
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5.9 Conduit Pivot Bracket Securing
pivot bracket open
2 x M4 fixings
Torqued 5Nm
Conduit Pivot
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Node B Installation Guide
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5.10 Closing the Door and securing the NodeB
Close door and firmly press in centre point at lock ensure latch ‘clicks’ into place. Secure service cover with 2 screws.
Press firmly to ensure lock latch
2x M4 Socket Hex
Bolts
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Node B Installation Guide
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5.11 GPS
5.5.1 GPS Operation
The Node B has an integral GPS antenna and receiver, as shown in figure above. The GPS timing signal is used by the Node B for the TDD frame timing, so that all Node B’s in a network are synchronized. The GPS signal is also used by the master oscillator for a frequency reference.
The Node B can operate for several hours after a loss of GPS timing but a gradual drift of the frame timing will result in system interference and a loss of handoff capability.
The GPS receiver is automatically enabled when the Node B is powered and there are no adjustments or settings to be made by the user.
After installation of the Node B, verify proper operation of the GPS receiver by connecting the
Local Maintenance Terminal (LMT) to the LMT port and accessing typing “gpsstats”.
5.5.3 GPS Repeater Installations
A GPS repeater functions as a reradiating repeater to provide a GPS signal in areas that do not have a clear view of the sky. The repeater consists of an active antenna, a repeater block, a passive antenna, connecting cables and a +12VDC supply
The location of the active antenna should be chosen so that the antenna has a clear view of the sky. A suitable location can be verified before installation by checking for GPS lock with a handheld GPS unit. The repeater block and passive antenna are installed in the coverage area
(Node B location). The +12VDC supply can be provided by a wall transformer that is connected to a UPS.
After installation and power-on, verify that the handheld GPS unit is able to obtain GPS lock inside the Node B installation area. If not, make adjustments to the antenna locations as required until the handheld GPS receiver can obtain lock. After the Node B is installed, verify that the
Node B GPS receiver is able to obtain and keep GPS lock condition.
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Node B Installation Guide
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6 (Step 11) Power up and Initial Setup of Node B
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8 (Step 12) SOFTWARE INSTALLATION
Registration
IPWireless Network Controller software
9 (Step 13) On Air final check
10 Operation & Maintenance
10.1 Maintenance
Node B is designed for an in-service lifetime of 10 years.
There are no field repairable items within the NodeB.
Node B Installation Guide
IPWireless
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Golden, CO 80401
IPWireless
1250 Bayhill Drive
Suite 113
San Bruno, CA 94066
DRAFT
APPENDIX A – CONTACT INFORMATION
Colorado California Europe
IPWireless
4 Lansdowne Court
Bumpers Way
Chippenham
SN14 6RZ
Fax# (303) 274-6252 Fax: +1-650 794-2668
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Node B Installation Guide
DRAFT
APPENDIX B – BACKHAUL SPECIFICATIONS
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Node B Installation Guide
DRAFT
APPENDIX D – Node B SPECIFICATIONS
Size 16” H x 12” W x 5” D
RF Power output
Receive Sensitivity
Antenna connector type
Maximum antenna line loss
Power consumption
Voltage requirement
Head Disipation
Backhaul facility throughput
Backhaul facility type
LMT interface
Frequency Range
Bandwidth
Air Interface
Duplex method
Chipping Rate
Spreading Codes
Maximum Path loss
Error Correction
Spreading factor
Modulation
+34 dBm composite (maximum)
-110 dBm/6 MHz channel
N F X 3 (Tx, Tx/Rx, GPS receiver)
2 dB suggested
300 Watts maximum
-48 VDC or 110 VAC (Optioned at time of order)
184 Watts
6 Mbps downlink, 3 Mbps uplink
4 X T1, 100BT Ethernet
10/100BT Ethernet
2500 MHz – 2686 MHz
12 MHz
UTRAN TD-CDMA
Time division
7.68 Mcps
OVSF
150 Db variable punctured Turbo coding variable - 4, 8 and 16
QPSK
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Node B Installation Guide
DRAFT
Glossary
ADC
BTS
DAC
Analog to Digital Converter
Base Transceiver Station
Digital to Analog Converter
Downlink From Network to the User Equipment
DSCH Downlink Shared Channel
ETSI
FIFO
FPGA
HTTP
INC
European Telecommunications Standardization Institute
First-In First-Out (buffer)
Field Programmable Gate Array
Hyper-Text Transfer Protocol
Integrated Node Controller
ISP
ITFS
IUB
LMT
LNA
MCP
MAC
Mcps
MMDS
MSPS
MTU
Node B
PDU
PLL
Internet Service Provider
Instructional Television Fixed Service
Iub interface – Node B to INC interface
Local Maintenance Terminal
Low Noise Amplifier
Multimedia Communications Port
Media Access Control
Mega Chips per Second
Multichannel Multipoint Distribution Service
Mega Samples Per Second
Maximum Transmission Unit
A UMTS Radio Base Station
Protocol Data Unit
Phase Locked Loop
QPSK
RAM
RLC
RRC
SDU
SRAM
Quadrature Phase Shift Keying
Random Access Memory
Radio Link Control
Root Raised Cosine
Service Data Unit
Static RAM
T1 1536kbps
TD-CDMA Time Division Code Division Multiple Access
TDD
UART
Time Division Duplex
Univeral Asynchronous Receiver Transmitter
UE User
UMTS Universal Mobile Telecommunications System
Uplink
USB
USCH
UTRAN
VCXO
From User Equipment to the Network
Universal Serial Bus
Uplink Shared Channel
UMTS Terrestrial Radio Access Network
Voltage Controlled Crystal Oscillator
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Key features
Converts packet data to UTRAN TD-CDMA
Supports 100 BaseT Ethernet connection
Supports multiple sector configurations
Operates on 2500-2686 MHz frequency range
Integrated GPS antenna for synchronization
Time division duplex (TDD) technology
Supports external alarm connections
Frequently asked questions
The Node B AJ First Generation is a radio base station that converts packet data into the UTRAN TD-CDMA air interface for communication between the Node B and 3G Modems.
The Node B AJ First Generation requires two antennas for each sector of coverage.
The Node B AJ First Generation accepts either -48 VDC or 110VAC power.