GRP-530M / GRP-540M User Manual
Version 1.2.1
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COM Port & Power Input
Terminal No.
Pin Assignment
Power
14
F.G.
13
P.GND
12
PWR
COM1
11
TxD1
10
RxD1
09
GND
COM2
08
TxD2
07
RxD2
06
GND
COM3
05
D+
04
D-
CAN
03
CAN.GND
02
CAN_H
01
CAN_L
2.4 Dimensions