GSM Communication Unit 3743
GSM Module: Wavecom WMOD2B
GSM standards: GSM 900 Class 4 (2W)
GSM 1800/1900 Class 1 (1W).
GSM 1900 delivered on request.
SIM card reader: 3V mini SIM cards enabled for
data transmission. Note SIM
card should only be inserted and
removed when the power is dis-
connected.
Input voltage: 5 - 32 volts DC.
Current consumption: GSM 900: < 10mA idle.
Communicating 200mA average.
GSM 1800/1900: < 4.8mA idle.
Communicating 130mA average,
@ 12V DC.
Interface: RS-232C, 9600 baud, 8 databits,
no parity, 1 stop bit.
Operating temperature: -20 to +55ºC
Physical Connection: 6 pin waterproof plug 2828
Weight: 1.2kg
Material and Finish: 130 x 180 x 60mm IP67 polycar-
bonate box
Warranty: Two years against faulty materi-
als and workmanship.
Accessories included: Mounting bracket 2808 with iso-
lating foot. 5 meter RG58 anten-
na cable. Dual Band 890-
960MHz and 1710-1880MHz
omnidirectional antenna.
Accessories optional: High gain diretional or omnidirec-
tional antenna.
CABINET
RS 232
INTERFACE
MODEM
GSM 900/1800
BASE PLATE
ANTENNA
CABLE, 5m
MOUNTING
BLATE
DATALOGGER
CABLE
GSM Modem setup
The GSM modem needs a SIM card prepared for data com-
munication to operate. The SIM card is NOT delivered to-
gether with the GSM modem. Contact your network supplier
to obtain a SIM card for your modem and install it as in-
structed below:
1. Remove the cover from the cabinet.
2. In order to extract the SIM holder, press the SIM
holder ejector, placed next to the antenna con-
nector on the modem, with a pen or equivalent to
avoid damage to the holder.
3. Insert your SIM card into the SIM holder and push
the holder back into the modem.
4. Tighten the cabinet cover.
Interconnecting the Datalogger and the GSM Modem
1. Make sure the Datalogger is turned OFF.
2. Connect the antenna cable to the antenna and
fasten the antenna to the isolating foot on the
mounting bracket.
3. Connect the GSM modem to the connector on the
Datalogger marked COM PORT.
4. Turn the Datalogger ON.
PIN CONFIGURATION
Plug, exterior view; pin = ; bushing =
Not connected
3 4 - 9V
RXD 2 5 DCD
TXD
1 6System ground
Latest version is on the Internet
5852 BERGEN, NORWAY 5221 NESTTUN, NORWAY FAX. +47 55 109910 WEB: http://www.aanderaa.com
DATA SHEET, D 340, MAY 2002 2 STATE-OF-THE-ART SCIENTIFIC PRODUCTS
Representatives Stamp
NOTE!
Because of Aanderaa Instruments positive "system ground"
and the Wavecom modem and the antennas negative
ground, a special mounting bracket that isolates the anten-
na ground from the "system ground" must be used. This
bracket is included in the GSM Communication Unit 3743. If
this bracket is not used the GSM modem can be damaged.
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