Connectors – Bosch ATM/POS Bridge User Manual
Page 17
Bosch Security Systems
ATM/POS bridge | Installation Manual
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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
2
Rx
Rx
Rx
D2+
3
Tx
Tx
Tx
D2-
4
5
GND
GND
GND
GND
6
7
RxC
RxC
8
TxC
TxC
9
INIT
5
1
6
9