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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.
DI/DO
Terminal
No.
01
DI0
DI1
02
03
DI2
DI
04
DI3
DI4
05
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-
GT-540P-3GWA-OEM1 user's manual, Version 1.0, 2013/03
Pin
Assignment
GT-540P-3GWA-OEM1 user's manual v1.0
COM Port & Power Input
Terminal
No.
Ground for COM
COM1
RS-232
COM2
RS-485
Reset
Power Input:
+10 ~ 30V
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
12/52
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