Bausch Datacom DinBox, Reference Manual, Page: 6 / 22

DinBox GSM/GPRS Reference manual – V1.0
Bausch Datacom NV
6
2. Block Diagram
The block diagram below details the location and interconnection of the different
functional units within the modem. The most important units are briefly described.
Power Supply
The power supply (DC) must be connected to the DinBox GSM/GPRS modem via a
terminal block with screw contacts. Make sure the voltage supplied to the modem is in
the range of the DinBox GSM/GPRS input voltage (see specifications for details on
voltage range). This input is protected against reversed polarity with a serial diode.
DTE Interface
The DinBox GSM/GPRS modem has a RS-232 interface (RJ-45) which can be
connected to a computer or similar DTE device via included RJ-45/DB-9 serial cable.
GSM/GPRS Modem
The DinBox GSM/GPRS modem has a Wavecom GSM/GPRS module on board.
Connection with the GSM dual band antenna is done via a standard SMA connector.
RS-232
10 - 50 Vdc
WatchDog “tick” LED
I/O TTL
DTE
Interface
Power
Supply
Watch
DOG
-
Control
Processor
-
Optional
-
GSM
GPRS
Modem
TxD RxD DCD DTR
GSM
Controle LED’s
LED on PCB (internal)
LED on Front