Robustel GoRugged M1000 Pro User Guide
RT_M1000 Pro_UG_v01.01
27.12.2011
17 / 59
Confidential
PIN assignment for gateway’s DB9 female connector
2.7
Connecting the I/O Device and Sensors
Digital Input Dry Contact:
Digital Output (Sink Type)
PIN Assignment
DB9 Female Connector
PIN RS232
RS485 (2-wire) I/O
1
Data- (B)
2
RXD -> Data+ (A)
3
TXD <-
4
DO
5
GND
GND
6
DI
7
RTS <-
8
CTS ->
9
IO GND
