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2.2
Appearance and pin assignments
The GT-540P-3GWA-OEM2 is with the GPS antenna connector and LEDs. The
following figure shows the appearance of GT-540P-3GWA-OEM2.
DI/DO
Terminal
No.
01
DI0
DI1
02
DI
03
DI2
04
DI3
DI COM
05
DI COM
N/A
06
N/A
07
RL0 COM
RL0
08
RL0 NO
09
RL1 COM
RL1
10
RL1 NO
11
RL2 COM
RL2
12
RL2 NO
13
AIn+
AI
14
AIn-
GT-540P-3GWA-OEM2 user's manual, Version 1.0, 2013/10
Pin
Assignment
GT-540P-3GWA-OEM2 user's manual v1.0
COM Port & Power Input
Terminal
No.
Ground for COM
COM1
RS-232
COM2
RS-485
Reset
Power Input:
12V
/ 24V
DC
DC
Frame Ground
Pin
Assignment
01
GND
02
RxD1
03
TxD1
04
D+
05
D-
06
RST+
07
RST-
08
DC.+VS
09
DC.GND
10
F.G
12/53
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