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Bosch Security Systems
ATM/POS bridge | Installation Manual
EN | 11
English
3. Connectors
The four COM connectors are all 9-pin SubD-type male connectors.
The following table lists the signals and pin numbers for the four ports.
Pin
COM 1
RS 232
COM 2
RS 232
COM 3
(console)
RS 232
COM 4
RS 485
1
2RxRxRxD2+
3TxTxTxD2-
4
5 GND GND GND GND
6
7
RxC RxC
8
TxC TxC
9
INIT
5
1
6
9