Rs-485 2-Wire Pin Definition - Asus Aaeon SRG-4858P User Manual

3.7.2

RS-485 2-wire Pin Definition

System Reference
/dev/ttyS5 (COM2)
/dev/ttyS4 (COM1)
Pin
1
2
3
4
5
6
7
8
9
Chapter 3 – Gateway Setup and Configuration
COM1 Definition
-
-
-
SG
D1-
D1+
-
-
-
Pins
Pins 1-3
Pins 4-6
COM2 Definition
SG
D2-
D2+
-
-
-
-
-
-
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