GT-540P-3GWA-OEM1 user’s manual v1.0
2.2
Appearance and pin assignments
The GT-540P-3GWA-OEM1 is with the GPS antenna connector and LEDs. The
following figure shows the appearance of GT-540P-3GWA-OEM1.
GT-540P-3GWA-OEM1 user’s manual, Version 1.0, 2013/03
12/52
DI/DO
Terminal
No.
Pin
Assignment
01 DI0
02
DI1
03 DI2
04 DI3
05
DI4
DI
06 DI5
DI COM
07
DI COM
DO PWR
08
DO PWR
09 DO0
DO
10 DO1
DO GND
11
DO GND
N/A 12
N/A
Ain+ 13
Ain+
Ain- 14
Ain-
COM Port & Power Input
Terminal
No.
Pin
Assignment
Ground for COM
01
GND
02
RxD1
COM1
RS-232
03
TxD1
04
D+
COM2
RS-485
05
D-
06
RST+
Reset
07
RST-
08
DC.+VS
Power Input:
+10 ~ 30V
DC
09
DC.GND
Frame Ground
10
F.G
