This document is available at HTTP://WWW.FALCOM.DE/
SAMBA 75
User’s manual
Version 1.02, 20/02/2006
SAMBA 75 USER’S
GUIDE
VERSION 1.02
Index of contents
0
INTRODUCTION .........................................................................5
0.1
GENERAL ................................................................................................................................ 5
0.2
SCOPE OF DELIVERY ................................................................................................................ 6
0.3
USED ABBREVIATIONS .............................................................................................................. 6
0.4
RELATED DOCUMENTS ............................................................................................................. 7
1
SECURITY ..................................................................................8
1.1
GENERAL INFORMATION ........................................................................................................... 8
1.2
EXPOSURE TO RF ENERGY....................................................................................................... 8
1.3
EFFICIENT MODEM OPERATION.................................................................................................. 8
1.4
ANTENNA CARE AND REPLACEMENT .......................................................................................... 8
1.5
DRIVING .................................................................................................................................. 9
1.6
ELECTRONIC DEVICES .............................................................................................................. 9
1.7
VEHICLE ELECTRONIC EQUIPMENT ............................................................................................ 9
1.8
MEDICAL ELECTRONIC EQUIPMENT ............................................................................................ 9
1.9
AIRCRAFT ................................................................................................................................ 9
1.10
CHILDREN ............................................................................................................................... 9
1.11
BLASTING AREAS ................................................................................................................... 10
1.12
POTENTIALLY EXPLOSIVE ATMOSPHERES................................................................................. 10
1.13
NON-IONIZING RADIATION ....................................................................................................... 10
2
SAFETY STANDARDS .............................................................11
3
TECHNICAL DATA ...................................................................12
3.1
3.1.1
GENERAL SPECIFICATIONS OF SAMBA 75 .............................................................................. 12
Power consumption ............................................................................................................. 14
4
INTERFACES IN OVERVIEW...................................................15
4.1
INTERFACE A (4-PIN USB TYPE A CONNECTOR) ..................................................................... 15
4.2
INTERFACE B (OPTICAL INTERFACE) ....................................................................................... 16
4.3
INTERFACE C (SIM-CARD INTERFACE).................................................................................... 16
4.4
FUNCTIONAL DESCRIPTION ..................................................................................................... 17
5
GSM/GPRS APPLICATION INTERFACE ................................18
5.1
5.1.1
DESCRIPTION OF OPERATING MODES ...................................................................................... 18
Normal mode operation ....................................................................................................... 18
5.1.1.1
5.1.1.2
5.1.1.3
5.1.1.4
5.1.2
5.1.3
5.2
5.2.1
5.2.1.1
5.2.2
5.2.2.1
GSM/GPRS SLEEP ........................................................................................................................ 18
GSM IDLE ....................................................................................................................................... 18
GPRS/EDGE IDLE.......................................................................................................................... 18
GPRS/EDGE DATA ....................................................................................................................... 18
Power down ......................................................................................................................... 18
Alarm mode ......................................................................................................................... 19
POWER UP / POWER DOWN SCENARIOS ................................................................................. 19
Turn on SAMBA 75.............................................................................................................. 19
Reset SAMBA 75 via AT+CFUN Command.................................................................................... 19
Turn off SAMBA 75.............................................................................................................. 19
Turn off SAMBA 75 Using AT Command ........................................................................................ 19
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5.2.3
5.3
Automatic Shutdown............................................................................................................ 20
AUTOMATIC EGPRS/GPRS MULTISLOT CLASS CHANGE ........................................................ 20
6
SYSTEM REQUIREMENTS ......................................................21
6.1
HARDWARE & SOFTWARE REQUIREMENTS ............................................................................... 21
6.2
6.2.1
GET STARTED ........................................................................................................................ 21
Installing your SAMBA 75 on a Laptop computer running Windows® XP .......................... 21
6.2.1.1
6.2.1.2
6.2.1.3
How to use SAMBA 75 phone with a terminal software, only.......................................................... 22
Setup HyperTerminal program: ....................................................................................................... 24
Making a dial-up networking............................................................................................................ 25
6.2.2
6.2.3
6.2.4
6.2.5
Communications software ................................................................................................... 25
PIN & PUK ........................................................................................................................... 25
Text messages .................................................................................................................... 25
Data and fax communication ............................................................................................... 26
7
RF EXPOSURES ......................................................................27
8
APPENDIX ................................................................................28
8.1
TROUBLESHOOTING ............................................................................................................... 28
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SAMBA 75 USER’S
VERSION 1.02
GUIDE
Version history:
Version number
Author
Changes
1.00
Fadil Beqiri
- Initial version
1.01
-
Figure (Y-Cable) in chapter 0.2 on page 6 has been replaced by a
new one.
-
Because the SAMBA75 does not provide any audio interface, the
ring tones item listed in chapter 3.1 on page 12 has been removed.
Fadil Beqiri
Release date
29/09/2005
20/02/2006
- Figure 7.b has been added. It represents direct connection to a free
USB port.
- Chapter 7 on page 27 “RF Exposures” has been added.
1.02
Fadil Beqiri
Updated EDGE data transfer (achieving an average throughput of
80 to 160 kbps supporting 2-4 timeslots. Our lab test results – see
EDGE on page 13).
20/02/2006
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SAMBA 75 USER’S
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VERSION 1.02
Cautions
Information furnished herein by FALCOM is accurate and reliable. However, no
responsibility is assumed for its use.
Please, read carefully the safety precautions.
If you have any technical questions regarding this document or the product
described in it, please contact your vendor.
General information about FALCOM and its range of products are available at the
following Internet address: http://www.falcom.de/
Trademarks
Some mentioned products are registered trademarks of their respective companies.
Copyright
SAMBA 75 user’s guide is copyrighted by FALCOM Wireless Communications GmbH
with all rights reserved. No part of this user’s guide may be produced in any form
without the prior written permission of FALCOM Wireless Communications GmbH.
FALCOM Wireless Communications GmbH.
No patent liability is assumed with respect to the use of the information contained
herein.
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GUIDE
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0 INTRODUCTION
0.1 General
This manual is focussed on the GSM/GPRS/EDGE data solutions of the enhanced
performance SAMBA 75 USB modem from FALCOM Wireless Communications GmbH.
The SAMBA 75 is a Plug-and-Play, compact, light-weight, wireless modem that
provides EDGE, GPRS and GSM connectivity for portable, handheld computers and
others. The SAMBA 75 maintains the same form-factor of the well-known SAMBA
GSM/GPRS modem. The major benefit over earlier SAMBA GSM/GPRS modem is that
SAMBA 75 supports EDGE and additionally offers a TCP/IP stack.
The SAMBA 75 modem is designed to place and receive data calls but not voice calls.
SAMBA 75 allows subscribers to send and receive data, including digital images, web
pages and photographs, with a transfer rate three times higher than possible with
GSM/GPRS sevices. It supports Data, SMS and fax. It can be easily controlled by using
AT commands for all kinds of operations. The SAMBA 75 is designed for use on any
GSM network in the world, it is a Quad-Band EDGE and GSM/GPRS engine that works
on the four frequencies GSM 850, GSM 900, DCS 1800 MHz and PCS 1900 MHz and it
can be used in all existing GSM networks in Europe, the U.S.A. and Asia. This full type
approved integrated modem constitutes a self contained, fully integrated
implementation of the GSM/GPRS and EDGE functionalities. The SAMBA 75 provides
an integrated SIM card reader and an internal GSM antenna.
The physical interface to the modem application is made through an embedded
USB connector. It consists of 4 pins, required for controlling the unit, transferring data
and providing power supply lines. The embedded USB interface allows it direct
connection to a USB serial port of desktop or notebook computers. The SAMBA 75
features GPRS multi-slot class 12 and supports the GPRS coding schemes CS-1, CS-2,
CS-3 and CS-4. The SAMBA 75 equipment supports GPRS Class-B. This means, that the
Mobile Station can set up a GSM call (CSD or fax) while it is GPRS attached.
The SAMBA 75 features EDGE multi-slot class 10 and supports the modulation and
coding schemes MCS-1 … MCS-9.
About GPRS
GPRS is a high-speed, data-only service that is an add-on to the GSM
(Global System for Mobile Communications) cellular network - a type of
network used to provide cellular phone service.
The SAMBA 75 Modem provides reliable data connections to GPRS 850 MHz
(GSM), GPRS 850 (GSM), 1800 MHz (DCS) and 1900 MHz (PCS) networks.
When in regions where GPRS is not available, user can still establish 14.4
kbps GSM data connections.
About EDGE
Enhanced Data rates for GSM Evolution (EDGE) is a third-generation (3G)
high-speed mobile data and Internet access technology, with theoretical
peak rates of 473 kbps and average throughput of 110-130 kbps. The
average rates are fast enough to support a wide range of advanced data
services, including streaming audio and video, fast Internet access and
large file downloads.
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0.2 Scope of delivery
Check the contents of the package. The following listed items should be included. In
case of damaged or missing any item, please contact your dealer immediately.
SAMBA75-SET (included)
SAMBA-USB-KIT (accessories)
Y-Cable (accessory)
Name
Part
Quantity
SAMBA75-SET
SAMBA75
Software and driver CD-ROM
USB-Docking station with cable extension
SAMBA-USB-KIT*
1
1
1
1
USB-Tilt connector, around 180° turnable
Y-Cable (enables additional current draw from the two USB ports required when EDGS 1
data transfer is in progress)
* It is not a part of SAMBA 75-SET’s delivery package. It can be vailable on request.
0.3 Used abbreviations
Abbreviation
ETSI
GSM
IMEI
ME
EDGE
GPRS
PLMN
PIN
PUK
RP
RXQUAL
SIM
SMS
SMS/PP
TA
TE
TP
MS
USB
PTM
NOM
PPP
CSD
URC
DNS
DHCP
APN
Description
European Telecommunications Standards Institute
Global System for Mobile communications
International Mobile station Equipment Identity
Mobile Equipment
Enhanced Data rates for GSM Evolution
General Packet Radio Service
Public Land Mobile Network
Personal Identification Number
Personal Unblocking Key
Receive Protocol
Received Signal Quality
Subscriber Identity Module
Short Message Service
Short Message Service/Point-to-Point
Terminal Adapter
Terminal Equipment
Transmit Protocol
Mobile Station
Universal Serial Bus
Point To Multipoint
Network Operation Mode
Point to Point Protocol
Circuit Switched Data
Unsolicited Result Code
Domain Name Server
Dynamic Host Configuration Protocol
Access Point Naming
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Abbreviation
IP
PDP
RF
ASIC
RTC
Description
Internet Protocol
Packet Data Protocol
Radio Frequency
Application Specific Integrated Circuit
Real Time Clock
Table 1: Used abbreviations
0.4 Related documents
1. ETSI GSM 07.05: “Use of Data Terminal Equipment - Data Circuit terminating
Equipment interface for Short Message Service and Cell Broadcast Service“
2. ETSI GSM 07.07: “AT command set for GSM Mobile Equipment”
3. AT-Command SET
4. PhoneTool installation guide
5. GPRS Startup User's Guide
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1 SECURITY
IMPORTANT FOR THE EFFICIENT AND SAFE OPERATION OF YOUR GSM-MODEM, READ
THIS INFORMATION BEFORE USE!
Your cellular engine SAMBA 75 is one of the most exciting and innovative electronic
products ever developed. With it you can stay in contact with your office, your
home, emergency services and others, wherever service is provided.
This chapter contains important information for the safe and reliable use of the
SAMBA 75 modem. Please read this chapter carefully before starting to use the
cellular engine SAMBA 75.
1.1 General information
Your SAMBA 75 device utilizes the GSM standard for cellular technology. GSM is a
newer radio frequency („RF“) technology than the current FM technology that has
been used for radio communications for decades. The GSM standard has been
established for use in the European community and elsewhere. Your SAMBA 75 is
actually a low power radio transmitter and receiver. It sends out and receives radio
frequency energy. When you use your modem, the cellular system handling your
calls controls both the radio frequency and the power level of your cellular modem.
1.2 Exposure to RF energy
There has been some public concern about possible health effects of using a GSM
modem. Although research on health effects from RF energy has focused for many
years on the current RF technology, scientists have begun research regarding newer
radio technologies, such as GSM. After existing research had been reviewed, and
after compliance to all applicable safety standards had been tested, it has been
concluded that the product is fit for use.
If you are concerned about exposure to RF energy there are things you can do to
minimize exposure. Obviously, limiting the duration of your calls will reduce your
exposure to RF energy. In addition, you can reduce RF exposure by operating your
cellular modem efficiently by following the guidelines below.
1.3 Efficient modem operation
In order to operate your modem at the lowest power level, consistent with
satisfactory call quality please take note of the following hints.
If your modem has an extendible antenna, extend it fully. Some models
allow you to place a call with the antenna retracted. However, your
modem operates more efficiently with the antenna fully extended.
Do not hold the antenna when the modem is „IN USE“. Holding the
antenna affects call quality and may cause the modem to operate at a
higher power level than needed.
1.4 Antenna care and replacement
Do not use the modem with a damaged antenna. If a damaged antenna comes
into contact with the skin, a minor burn may result. Replace a damaged antenna
immediately. Consult your manual to see if you may change the antenna yourself. If
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SAMBA 75 USER’S
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so, use only a manufacturer-approved antenna. Otherwise, have your antenna
repaired by a qualified technician.
Use only the supplied or approved antenna. Unauthorized antennas, modifications
or attachments could damage the modem and may contravene local RF emission
regulations or invalidate type approval.
1.5 Driving
Check the laws and regulations on the use of cellular devices in the area where you
drive. Always obey them. Also, when using your modem while driving, please pay full
attention to driving, pull off the road and park before making or answering a data
call if driving conditions so require. When applications are prepared for mobile use
they should fulfil road-safety instructions of the current law!
1.6 Electronic devices
Most electronic equipment, for example in hospitals and motor vehicles is shielded
from RF energy. However, RF energy may affect some malfunctioning or improperly
shielded electronic equipment.
1.7 Vehicle electronic equipment
Check your vehicle manufacturer’s representative to determine if any on board
electronic equipment is adequately shielded from RF energy.
1.8 Medical electronic equipment
Consult the manufacturer of any personal medical devices (such as pacemakers,
hearing aids, etc.) to determine if they are adequately shielded from external RF
energy.
Turn your SAMBA 75 device OFF in health care facilities when any regulations posted
in the area instruct you to do so. Hospitals or health care facilities may be using RF
monitoring equipment.
1.9 Aircraft
Turn your SAMBA 75 OFF before boarding any aircraft.
Use it on the ground only with crew permission.
Do not use it in the air.
To prevent possible interference with aircraft systems, Federal Aviation Administration
(FAA) regulations require you to have permission from a crew member to use your
modem while the plane is on the ground. To prevent interference with cellular
systems, local RF regulations prohibit using your modem whilst airborne.
1.10 Children
Do not allow children to play with your SAMBA 75 device. It is not a toy. Children
could hurt themselves or others (by poking themselves or others in the eye with the
antenna, for example). Children could damage the modem or make calls that
increase your modem bills.
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1.11 Blasting areas
To avoid interfering with blasting operations, turn your unit OFF when in a “blasting
area” or in areas posted: „turn off two-way radio“. Construction crew often uses
remote control RF devices to set off explosives.
1.12 Potentially explosive atmospheres
Turn your SAMBA 75 device OFF when in any area with a potentially explosive
atmosphere. It is rare, but your modems or their accessories could generate sparks.
Sparks in such areas could cause an explosion or fire resulting in bodily injury or even
death.
Areas with a potentially explosive atmosphere are often, but not always, clearly
marked. They include fuelling areas such as petrol stations; below decks on boats;
fuel or chemical transfer or storage facilities; and areas where the air contains
chemicals or particles, such as grain, dust or metal powders.
Do not transport or store flammable gas, liquid or explosives, in the compartment of
your vehicle, which contains your modem or accessories.
Before using your modem in a vehicle powered by liquefied petroleum gas (such as
propane or butane) ensure that the vehicle complies with the relevant fire and
safety regulations of the country in which the vehicle is to be used.
1.13 Non-ionizing radiation
The antenna is mounted in such a position that no part of the human body will
normally rest close to any part of the antenna. It is also recommended to use the
equipment not close to medical devices as for example hearing aids and
pacemakers.
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2 SAFETY STANDARDS
Your GSM mobile complies with all applicable RF safety standards.
The GSM mobile meets the safety standards for RF receivers and the standards and
recommendations for the protection of public exposure to RF electromagnetic
energy established by government bodies and professional organizations, such as
directives of the European Community, Directorate General V in matters of radio
frequency electromagnetic energy.
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3 TECHNICAL DATA
3.1 General specifications of SAMBA 75
Power supply:
+5 VDC (through USB interface)
Temperature range:
Normal operation: -30 °C to +65 °C
Physical characteristics:
Size: 88.7mm x 37.6mm x 12,6mm (L x B x H)
Weight: 79 g
Firmware upgrade
SAMBA 75 firmware upgradeable over USB interface
Frequency bands:
Quad-band: GSM 900, GSM 850, DCS 1800 MHz and
PCS 1900 MHz
Compliant to GSM Phase 2/2+
GSM class:
Small MS
Transmit power:
Class 4 (2 W) at EGSM 850 and 900
Class 1 (1 W) at GSM1800 and GSM 1900
GPRS connectivity:
GPRS multi-slot class 12
GPRS mobile station class B
EDGE connectivity:
EDGE multi-slot class 10
EDGE mobile station class B
DATA:
GPRS ⇒
GPRS data downlink transfer: max. 85.6 kbps (see table
2).
GPRS data uplink transfer: max. 42.8 kbps (see table 2).
Modulation and Coding Scheme MCS 1 – 4.
SAMBA 75 supports two protocols PAP (Password
Authentication Protocol) and CHAP (Challenge
Handshake Authentication Protocol) commonly used
for PPP connections.
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Supports of Packet Switched Broadcast Control
Channel (PBCCH) allows you to benefit from
enhanced GPRS performance when offered by the
network operators.
EDGE ⇒
EDGE data downlink transfer: max. 236.8 kbps (4 x
downlink). Achieving an average throughput of 80 to
160 kbps supporting 2-4 timeslots –our lab test results.
EDGE data uplink transfer: max. 118.4 kbps (2 x uplink).
Coding scheme: MCS 1 - 9.
CSD ⇒
CSD transmission rates: 2.4, 4.8, 9.6, 14.4 kbps, nontransparent, V.110.
Unstructured Supplementary Services Data (USSD)
support.
WAP ⇒
WAP compliant.
SMS:
MT, MO, CB, Text and PDU mode
SMS storage: SIM card plus 25 SMS locations in the
mobile equipment
Transmission of SMS alternatively over CSD or GPRS.
Preferred mode can be user-defined.
Audio interfaces:
None
Audio features:
SAMBA 75 does not support voice calls.
MMS:
MMS compliant
FAX:
Group 3: class 1, class 2
TCP/IP stack:
Access by AT Command
SIM interface:
Internal SIM interface:
3V only
Casing:
Fully shielded
USB serial link:
Bi-directional bus for AT commands and data
Baud rate: 1.2 bps ... 460 kbps
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USB 2.0 Full Speed (12 Mbit/s) slave interface
Autobauding (on ASC0 only) detects 1200, 2400, 4800,
9600, 19200, 38400, 57600, 115200, 230400 bps
Phonebook management:
Supported phonebook types: SM, FD, LD, MC, RC, ON,
ME
Real time clock:
Implemented
Timer function:
Programmable via AT command
Coding scheme
CS-1:
CS-2:
CS-3:
CS-4:
1 Timeslot
9.05 kbps
13.4 kbps
15.6 kbps
21.4 kbps
Table 2:
2 Timeslots
18.1 kbps
26.8 kbps
31.2 kbps
42.8 kbps
4 Timeslots
36.2 kbps
53.6 kbps
62.4 kbps
85.6 kbps
Coding schemes and maximum net data rates over air interface
Please note that the values listed above are the maximum ratings which, in practice,
are influenced by a great variety of factors, primarily, for example, traffic variations
and network coverage.
3.1.1
Power consumption
Typ
GSM/GPRS/EDGE engine
Supply voltage
5.0
Unit
POWER CONSUMPTION
Description
V
Average supply current
GSM
GPRS
BAND
GSM 900/850
GSM 1800/1900
GSM 900/850
GSM 1800/1900
GSM 900/850
GSM 1800/1900
48
48
380
240
48
48
mA
IDLE mode
mA
DATA mode, PL 5
DATA mode, PL 0
IDLE GPRS
450
mA
DATA mode GPRS,
(4 Rx, 1 Tx), Tested (Upload 1 x TX)
mA
DATA mode GPRS,
(3 Rx, 2 Tx), Tested (Upload 2 x TX)
GSM 900/850
IDLE EDGE
GSM 1800/1900
GSM 900/850
GSM 1800/1900
mA
DATA mode EDGE,
(4 Rx, 1 Tx), Tested (Upload 1 x TX)
GSM 900/850
mA
DATA mode EDGE,
(3 Rx, 2 Tx), Tested (Upload 2 x TX)
mA
310
660
530
320
670
GSM 900/850
GSM 1800/1900
420
48
48
EDGE
MODE
GSM 1800/1900
320
GSM 900/850
GSM 1800/1900
Table 3: Power consumption of GSM/GPRS parts
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4 INTERFACES IN OVERVIEW
The integrated modem has a sole USB connector, which gathers all the interface
signals in order to facilitate its integration.
It has an integrated SIM card reader as well as an integral GSM antenna.
The concept of the integrated modem has been defined to integrate on a sole
device with follow interfaces:
Interface specifications
Interface A
Standard USB plug serial interface
Interface B
3 optical indicators LED’s
Interface C
SIM card reader for small SIM cards (3V) (SIM card is not included in the delivery
package)
Table 6: Interface specifications of the Modem
Figure 1: View of SAMBA 75 interfaces.
4.1 Interface A (4-pin USB Type A connector)
The power supply for the SAMBA 75 modem has to be a single voltage source of +5
V. If GPRS/EDGE data transfer is in progress, please use the Y-cable, which is
available upon request. The Y-cable provides 3 USB interfaces. Two of them are used
to connect the SAMBA 75 to the host device. While the third USB interface of the YCable (which has a thinner cable and provides the V+ and GND lines, only) has to
be plugged to a free USB port of the used host device. The third USB interface is
available for additional current (to provide sufficient current in a transmit burst which
typically rises to 600 – 700 mA) when the GPRS/EDGE data transfer is in progress.
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Figure 2: Mini-USB pin-out (interface A)
Pin
Description
1
+ 5V
2
- DATA
3
+ DATA
4
GND
Table 7: Pin assignment of the standard USB connector
4.2 Interface B (Optical interface)
The actual state of the SAMBA 75 is displayed by three LED’s (their functionalities are
described in chapter 4.2) on this interface, see figure below.
Figure 3: Status indicator of modem
4.3 Interface C (SIM-Card interface)
The SIM interface controls a 3V SIM card. This interface is fully compliant with
GSM 11.11 recommendations concerning SIM functions.
Figure 4: SIM Card interface
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4.4 Functional description
The SAMBA 75 GSM/GPRS and EDGE modem is a mobile station for transmission of
data (including digital images, web pages and photographs) and fax calls as well as
SMS in GSM networks.
The SAMBA 75 modem consists of the following components:
•
GSM/GPRS transceiver
•
USB 2.0 for power supply, data transmission and control.
•
GPRS Class B, class 12.
•
EDGE Class B, class 10.
The SAMBA 75 allows control of the GSM/GPRS modem over the interface A.
If the GSM/GPRS modem SAMBA 75 is registered in the network, it acts just like a
regular fax/data modem. To control the GSM or GSM/GPRS Modem there is an
advanced set of AT-commands according to GSM ETSI 07.07 and 07.05
implemented.
Three LED’s on the interface B of the Modem display the actual state of the SAMBA.
The table below shows the functions of these LED’s.
LED’s
Name
LED mode
Function
Off
Modem is off or run in SLEEP mode
600 ms On / 600 ms Off
75 ms On / 3 s Off
GSM (LED)
75 ms On / 75 ms Off/
75 ms On / 3 ms Off
200 ms On / 200 ms Off
100 ms On / 3.2 s Off
Off
Continually On
flashes
Indicates incoming/outgoing Modem Data Traffic
On
DATA (LED)
One or more GPRS contexts activated.
Flashing Indicates GPRS data transfer: When a GPRS transfer is in
progress, the LED goes on within 1 second after data packets were
exchanged.
Flash duration is approximately 0.5 s.
Data call: Connected to remote party or exchange of parameters while
setting up or disconnecting a call.
USB
No SIM card inserted, Modem On, USB On.
Modem and USB are OK
USB device initialization or USB device error.
Flashing
ERR (LED)
No SIM card inserted or no PIN entered, or network search in progress,
or ongoing user authentication, or network login in progress.
Logged to network (monitoring control channels and user interactions).
No call in progress.
Table 8: Modes of the LED’s and associated functions
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5 GSM/GPRS APPLICATION INTERFACE
5.1 Description of operating modes
The chapter below briefly summarizes the various operating modes referred to the
following chapters.
Definition of the GPRS class B mode of operation:
The definition of GPRS class B mode is, that the MS can be attached to both
GPRS and other GSM services, but the MS can only operate one set of
services at a time. Class B enables making or receiving a data call, or
sending/receiving a SMS during a GPRS connection. During data calls or SMS,
GPRS services are suspended and then resumed automatically after the call
or SMS session has been ended.
5.1.1
5.1.1.1
Normal mode operation
GSM/GPRS SLEEP
Various power save modes set with AT+CFUN command, see related documents [3].
Software is active to minimum extent. If the module was registered to the GSM
network in IDLE mode, it is registered and paging with the BTS in SLEEP mode, too.
Power saving can be chosen at different levels: The NON-CYCLIC SLEEP mode
(AT+CFUN=0) disables the AT interface. The CYCLIC SLEEP modes AT+CFUN=5,6,7,8
and 9 alternatively activate and deactivate the AT interfaces to allow permanent
access to all AT commands.
5.1.1.2
GSM IDLE
Software is active. Once registered to the GSM network, paging with BTS is carried
out. The module is ready to send and receive.
5.1.1.3
GPRS/EDGE IDLE
Module is ready for GPRS/EDGE data transfer, but no data is currently sent or
received. Power consumption depends on the network settings and the GPRS/EDGE
configuration (e.g. multislot settings).
5.1.1.4
GPRS/EDGE DATA
GPRS/EDGE data transfer in progress. Power consumption depends on the network
settings (e.g. power control level), uplink/downlink data rates and GPRS/EDGE the
configuration (e.g. used multislot settings).
5.1.2
Power down
Normal shutdown after sending the AT^SMSO command. The Power Supply ASIC
(PSU-ASIC) disconnects the supply voltage from the base band part of the circuit.
Only a voltage regulator in the PSU-ASIC is active for powering the RTC. Software is
not active. The serial interfaces are not accessible. Operating voltage remains
applied.
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Alarm mode
Alarm mode restricted operation launched by RTC alert function while the module is
in POWER DOWN mode. Module will not be registered to GSM network. Limited
number of AT commands is accessible.
5.2 Power Up / Power Down Scenarios
In general, be sure not to turn on SAMBA 75 while it is beyond the safety limits of
voltage and temperature. SAMBA 75 would immediately switch off after having
started and detected these inappropriate conditions. In extreme cases this can
cause permanent demage to the module.
5.2.1
Turn on SAMBA 75
SAMBA 75 can be started in a variety of ways as described in the following sections:
•
Power up the modem by connecting it to a PC’s USB port (see section
6.2.1.1)
•
Software controlled reset by AT+CFUN command (see section 5.2.1.1)
After startup or mode change the following URCs indicate the module’s ready state:
•
“^SYSSTART” indicates that the module has entered Normal mode.
Detailed explanations on AT^SCFG, AT+CFUN, AT+CALA can be found in [3].
5.2.1.1
Reset SAMBA 75 via AT+CFUN Command
To reset and restart the SAMBA 75 use the command AT+CFUN. You can enter
AT+CFUN=,1 or AT+CFUN=x,1, where x may be in the range from 0 to 9. See [3] for
details. If configured to a fix baud rate (AT+IPR≠0), the modem will send the URC
“^SYSSTART” to notify that it is ready to operate. If autobauding is enabled
(AT+IPR=0) there will be no notification. To register to the network SIM PIN
authentication is necessary after restart.
5.2.2
Turn off SAMBA 75
SAMBA 75 can be turned off as follows:
•
Normal shutdown: Software controlled by AT^SMSO command
•
Automatic shutdown: Takes effect if board temperature is out of range or if
undervoltage or overvoltage conditions occur.
5.2.2.1
Turn off SAMBA 75 Using AT Command
The best and safest approach to powering down SAMBA 75 is to issue the AT^SMSO
command. This procedure lets SAMBA 75 log off from the network and allows the
software to enter into a secure state and safe data before disconnecting the power
supply. The mode is referred to as Power-down mode. In this mode, only the RTC
stays active.
Before switching off the device sends the following response:
^SMSO: MS OFF
OK
^SHUTDOWN
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After sending AT^SMSO do not enter any other AT commands. There are two ways to
verify when the module turns off:
•
Wait for the URC “^SHUTDOWN”. It indicates that data have been stored
non-volatile and the module turns off in less than 1 second.
Be sure not to disconnect the supply voltage (SMABA75 modem) before the URC
“^SHUTDOWN” has been issued. Otherwise you run the risk of losing data. While
SAMBA 75 is in Power-down mode the application interface is switched off.
5.2.3
Automatic Shutdown
Automatic shutdown takes effect if
•
the SAMBA 75 board is exceeding the critical limits of overtemperature or
undertemperature
The automatic shutdown procedure is equivalent to the Power-down initiated with
the AT^SMSO command, i.e. SAMBA 75 logs off from the network and the software
enters a secure state avoiding loss of data.
Alert messages transmitted before the device switches off are implemented as
Unsolicited Result Codes (URCs). The presentation of these URCs can be enabled or
disabled with the two AT commands AT^SBC and AT^SCTM. For further instructions of
the AT commands refer to [3].
5.3 Automatic EGPRS/GPRS Multislot Class Change
Temperature control is also effective for operation in EGPRS Multislot Class 10, GPRS
Multislot Class 10 and GPRS Multislot Class 12. If the board temperature increases to
the limit specified for restricted operation1) while data are transmitted over EGPRS or
GPRS, the module automatically reverts:
•
from EDGE Multislot Class 10 (2 Tx slots) to EEDGE Multislot Class 8 (1 Tx),
•
from GPRS Multislot Class 12 (4 Tx slots) to GPRS Multislot Class 8 (1 Tx)
•
from GPRS Multislot Class 10 (2 Tx slots) to GPRS Multislot Class 8 (1 Tx)
This reduces the power consumption and, consequently, causes the board’s
temperature to decrease. Once the temperature drops to a value of 5 degrees
below the limit of restricted operation, SAMBA 75 returns to the higher Multislot Class.
If the temperature stays at the critical level or even continues to rise, SAMBA 75 will
not switch back to the higher class. After a transition from EGPRS Multislot Class 10 to
EGPRS Multislot Class 8 a possible switchback to EGPRS Multislot Class 10 is blocked
for one minute. The same applies when a transition occurs from GPRS Multislot Class
12 or 10 to GPRS Multislot Class 8. Please note that there is not one single cause of
switching over to a lower Multislot Class. Rather it is the result of an interaction of
several factors, such as the board temperature that depends largely on the ambient
temperature, the operating mode and the transmit power. Furthermore, take into
account that there is a delay until the network proceeds to a lower or, accordingly,
higher Multislot Class. The delay time is network dependent. In extreme cases, if it
takes too much time for the network and the temperature cannot drop due to this
delay, the module may even switch off.
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6 SYSTEM REQUIREMENTS
Check your hardware and software and see if they satisfy the requirements below. If
you are not sure, please consult your vendor or operator.
6.1 Hardware & software requirements
Hardware & software requirements
A valid SIM card.
2 x Free compatible USB port
Approximately 6 Mb of free hard disk space.
Pentium 90 or higher.
Operating system: Windows® XP
CD-ROM drive.
For data applications.
Browser and email client.
6.2 Get started
6.2.1
Installing your SAMBA 75 on a Laptop computer running Windows®
XP
This chapter explains how to install the SAMBA 75 on a laptop computer.
recommended that all-important files are backed up prior the installation.
It is
1. Inserting the SIM card:
SAMBA 75 requires a small SIM card, which is provided by your mobile phone
service provider. This contains the telephone number of SAMBA 75 will use, as
well as other customer information.
If your SIM is larger credit-card size, it may have a snap-out area that allows
the small SIM to be removed by gentle twisting. Otherwise apply at your
service provider for a small SIM.
The SIM card must be enabled for all services that you want to use –DATA,
and/or FAX; if in doubt contact your service provider.
a) To insert the SIM card:
Insert the SIM card into the corresponding SIM card reader of the
modem and slide it forward until it stops. The bevelled corner of the SIM
card has to be on the left side of SIM card reader and the golden
contact area is facing downwards. Make sure that the SIM card is sit
firmly into the SIM card reader slot. See also figures below.
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Figure 5: Place the SIM Card.
Figure 6: Push it forward into the SIM-Card reader.
b) To remove the SIM card:
To remove the SIM card, please, just push it forward, it jumps out, so you
can take it out.
Important: Do not insert or remove the SIM card when the device is
under power.
Keep all miniature SIM cards out small children’s reach. The SIM card
and its contacts can be damaged by scratches or bending, so be
careful when handling, inserting or removing the SIM card.
WARINING !
FOR CUSTOMERS WHO USE THE PHONETOOL SOFTWARE THE INSTRUCTIONS
DESCRIBED IN SECTION 6.2.1.1 ARE NOT TO BE APPLIED.
If desired to use Microsoft Windows tools or any other terminal program, please, skip
the point 2 and follow step-by-step the instructions included in section 6.2.1.1.
2. Install the supplied PhoneTool configuration software:
SAMBA 75 phone supports a configuration software named PhoneTool, which offers
an easy and quickly way to start up following operations: send and receive e-mails
and SMS; synchronize your phonebooks and calendars; load, create and modify ring
tones for your mobile phone; launch a GPRS session and internet connection etc.
To install
properly the PhoneTool software, please, refer to a separated
“PhoneTool_installation_guide.pdf” manual. Do not perform the steps described in
section 6.2.1.1.
6.2.1.1
How to use SAMBA 75 phone with a terminal software, only
The installation instructions below are based on the Windows™ HyperTerminal
application (terminal emulator program).
The instructions below describe how to use the SAMBA 75 with a computer running
Windows XP.
During the installation of the SAMBA 75 driver, please, follow the on-screen
instructions.
Insert the CD-ROM into your computer CD drive
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If the SAMBA 75 is not already plugged into the USB interface of your PC,
plug it. You can connect it to a free USB port on your PC either directly
(figure 7.b) or with help of the SAMBA-USB-Kit (figure 7.a).
Figure 7.a: Connect USB connector of SAMBA 75 to Figure 7.b: Connect USB connector of SAMBA 75 to
the USB serial port of PC. (Note that, the SAMBA- directly to the USB serial port of PC.
USB-Kit is not a part of modem SAMBA 75).
The PC detects automatically the connected hardware device. Just click
the “Next>” button on the displayed dialog box.
Select on the opened wizard window the “Search for a suitable driver for my
device” radio button, and click Next.
On the next appeared screen select the Specific location check box, and
then click the Next button.
Use Browse button to select the path (‘X:\SAMBA 75\driver\usb_modem\
usbmodem.inf’ X means CD-ROM drive, in installation example is “F”).
Select the “Driver” folder and click the Open button. You will be back to the
follow dialog box, and then click OK.
The selected manufacturer’s installation driver is being installed. When the
button Next > is enabled click on it.
In the next window click the Finish button, the modem driver for the SAMBA
75 device is now installed.
The SAMBA 75 status LED labelled “ERR” will be turned off.
Close all opened windows.
Click Start button, point to Settings, then click Control Panel.
Double-click the System icon.
Select the Hardware register and click on the Device Manager button, open
the item Modems and select the USB Falcom Samba MC75 (Remember the
allocated COM Port), click to the properties button by using the rightmouse click.
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To have a connection to the GPRS Network (see also related documents [5]),
on the next opened window screen, choose the Advanced tab. On the
“Extra Settings”, type the APN information here. (Consult your Network
Operator for the correct APN settings) Common setting is:
AT+CGDCONT=1,”IP”,”INTERNET”
e.g T-D1 has the following APN:
[AT+CGDCONT=1,”IP”,”internet.t-d1.de”].
To test the modem, if it is properly working select the Diagnosis tab and
click the Query modem button. If the modem responses then the modem is
ready for use. Click OK button to close the opened windows.
To communicate with the SAMBA 75 phone by using the AT-Commands
start the HyperTerminal program (see figure in subsection below) or another
terminal program. The AT-Command Set is also included in the delivery CD.
See related documents [3].
6.2.1.2
Setup HyperTerminal program:
START – PROGRAMS – ACCESSORIES –COMMUNICATION – HYPERTERMINAL,
then start the software HYPERTRM, assign the name of your choice, click on
the icon of your choice, then click on OK, then choose:
Connect using: e.g. COM1 (allocated COM port, read from SAMBA 75
modem properties)
Properties:
choose upto 230500 bps – 8 bits data – no parity – 1
stop bit – hardware flow control
Click on OK.
Once HyperTerminal is opened and configured, it can be used to send AT
commands to the SAMBA 75 phone.
To test the SAMBA 75 phone type on the terminal screen:
AT<enter>
Modem responds:
OK
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Making a dial-up networking
This brief guide aims to explain the basic steps for getting started with GPRS to the
Internet. It is supposed that you are a bit familiar with GPRS concepts, like network
attachment, session or PDP context.
This guide is not intended to give full details about how GPRS works, all GPRS-specific
AT commands (check out the GPRS AT command manual).
The “GPRS startup guide” manual provides all you need for making a dial-up GPRS
networking, which is also included in the delivery CD.
6.2.2
Communications software
To connect to the Internet, or to send and receive e-mail or faxes transmit data from
your computer, you need the appropriate data and fax communications software.
You can use the SAMBA 75 phone with most commercially available
communications applications, such as Microsoft Exchange, Microsoft Outlook,
Netscape Navigator.
6.2.3
PIN & PUK
You may have to enter the PIN (Personal Identity Number) if the PIN code request is
activated in the SIM card. The PIN code is usually supplied with the SIM card. If you
enter an incorrect PIN code three times in a row, you will need a PUK (Personal
Unblocking Key) code to unblock the SIM card. The PUK code may be supplied with
the SIM card. If not, contact your service provider. For more details about using the
SAMBA 75 please read carefully the chapters below.
6.2.4
Text messages
The Short Message Service (SMS) is a network service that enables you to send and
receive short text messages over the digital cellular network. Messages can be read
on any mobile phone that has SMS capability.
The sending and receiving of text messages requires that the Short Message Service
(SMS) be available in the network you are using and activated for your SIM card.
Contact your service provider for details. Before you can send text messages, you
must store the SMS message centre number in the Settings window, Messages tab.
The included software support also a comprehensive overview, and an easy and
quickly way to start up this application when the SAMBA 75 is already registered into
the GSM network.
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Data and fax communication
The SAMBA 75 phone provides the functionality of a cellular modem. To send and
receive e-mail and faxes, connect to remote computers and access the Internet,
you also need the appropriate data and fax communications software. You can use
the SAMBA 75 phone with a variety of commercially available Windows 2000 and XP
compatible data and fax communications applications. These applications must be
correctly configured for use with the SAMBA 75 phone, according to the instructions
given in the documentation of these applications and your computer. Remember to
select the SAMBA 75 phone as the modem in each application. The data transfer
and fax functions depend on the applications you have chosen, not on the
computer or the SAMBA 75 phone. For information on how to use an application,
please refer to that application's documentation. The SAMBA 75 phone supports
three PC Fax standards. EIA/TIA Class 1, Class 2. lf you have problems with using the
SAMBA 75 phone for fax transmissions, make sure that the remote end fax machine is
Group 3 compatible. The SAMBA 75 phone can also be controlled with AT
Commands. For more information, refer to the AT-Command manual, which is free
available on the Falcom’s homepage.
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7 RF EXPOSURES
This device contains 900/850/1800/1900 MHz GSM/GPRS functions that is operational
in these frequencies respectively.
SAMBA75 unit contains also 900 MHz EGSM and 1900 MHz DCS that are not
operational (must not be used) in U.S. Territories. This filing is only applicable for
850MHz GSM/1900 MHz PCS operations, whereby only the frequencies 850MHz
GSM/1800 MHz PCS are possible to be used in U.S. Territories.
The device and its antenna must not be co-located or operating in conjunction with
any other antenna or transmitter.
Statement according to FCC part 15.19:
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including
interference that may cause undesired operation.
Statement according to FCC part 15.105:
NOTE: This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
•
Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
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8 APPENDIX
8.1 Troubleshooting
In the unlikely event that you have problems using your SAMBA 75 phone, the
following may solve or help to identify the problem.
1. General Checks
If SAMBA 75 phone does not appear to be working correctly:
Check if there is a SIM installed.
The delivered driver must be installed before begin to work.
Check if the USB connector is properly plugged in.
If the modem status indicator (labelled ERR) continually lights:
Maybe, the included USB driver which allocates a USB serial port is not
installed to the control host device yet, if that is true, disconnect the
SAMBA 75 from host device and plug it again, and then install the
included driver.
If the modem does not response to the terminal program:
Check if the USB connector is properly plugged in.
Disconnect it and connect it again.
2. It does not work when I travel.
To use a GSM network outside your own country your account needs
to be enabled for International Roaming. If this has not been done,
contact your GSM provider.
When in regions where GPRS is not available, a user can still access
their important information with GSM 14.4 kbps data connections.
3. I can not make data or fax calls
Some GSM networks require your SAMBA 75 phone account to be
enabled for data and/or fax. If you do not know whether this applies to
you, please check with your GSM provider.
4. I can not receive data or faxes
Check if your application is running. To receive faxes you need special
software, for example, WinFax™ software.
Most GSM networks supply different phone numbers for fax and data.
Contact your GSM provider for the numbers and ensure that the fax
and data calls being made to these, not to the voice call number.
5. GPRS connection is slow and unstable
Disconnect and connect again. You may be switched to a better
network trunk line with better communication quality.
If the problem persists, avoid using GPRS connection during the time
when network traffic is overloaded, or move to a location where signal
reception is better.
6. Can not use certain call functions
To use some advanced call functions (such as call divert, call barring or
call waiting), you need to subscribe them to your operator.
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