Com Ports Pinout - Eurotech ReliaGATE 10-05-34 Original User Manual

10 Interfaces in detail
10.7.2

COM ports pinout

The 2 COM ports are available on the 8-position connector located on the front panel, pins 3 to 8.
Pin# Name
3 COM 0: RS-485+ (A)
4 COM 0: RS-485- (B)
5 COM 0: GND
6 COM 1: TX
7
COM 1: RX
8 COM 1: GND
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ReliaGATE 10-05-34 User Manual Rev 1-0
Type Description
I/O COM port 0 (RS-485):
A Line
l
I/O COM port 0 (RS-485):
B Line
l
P COM port 0 (RS-485):
Ground
l
O COM port 1 (RS-232):
Transmit Data
l
I COM port 1 (RS-232):
Receive Data
l
P COM port 1 (RS-232):
Ground
l