The Rs232 Communication Port - Bowers M1 User Manual

M1 – M3 Display units

2.3.9. THE RS232 COMMUNICATION PORT

The M3 is fitted with a RS232 port. It allows linking the M1/M3 to PC or an external
system. The port configuration is as following
CONNECTOR PINOUT
It is fitted with a SUBD 9 pins female connector.
Pin Signal
1
2
3
4 IN1
5 Gnd
6
7 IN2
8 &9
9600 bauds, 8 bits, 1 stop bit, no parity
Direction Description
Not used
RX Input Reception of data
TX Output Transfer of data
Input Do not use. Only for firmware update
- Ground
Not used
Input Do not use. Only for firmware update
Not used
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