GW-5492/GW-5493 User’s Manual
V1.01 2011/09/01
6
2. Hardware
2.1 Pin Assignment
Pin
Name
Description
1
F.G.
Firm Ground
2
GND
Ground of power supply
3
+VS
V+ of power supply (+10V to +30V
DC
unregulated)
4
TxD
TxD of COM3 (RS-232)
5
RxD
RxD of COM3 (RS-232)
6
Data+
Data+ of COM2 (RS-485)
7
Data-
Data- of COM2 (RS-485)
8
GND
Ground of COM1 (RS-232)
9
TxD
TxD of COM1 (RS-232)
10
RxD
RxD of COM1 (RS-232)