EX9132C-2-MTCP
Manual
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EX9132C-2-MTCP • Manual Version 1.1 • 21.09.2015
Page 23
RS232 Pin Assignment
The pin assignment scheme for a 9-pin male connector on a DTE is given below.
PIN 1: N/A
PIN 2: RXD
PIN 3: TXD
PIN 4: DTR
PIN 5: GND
PIN 6: DSR
PIN 7: RTS PIN 8: CTS PIN 9: N/A
1
2
3
4
5
6
7
8
9
RS232 Wiring Diagram
Serial Device EX9132C-2-MTCP
2 RX
3 TX
3 TX
2 RX
5 GND
5 GND
7 RTS
8 CTS
8 CTS
7 RTS
RS422 Pin Assignment
The pin assignment scheme for a 4-pin RS422 is given below.
PIN 1: R-
PIN 2: R+
PIN 3: T-
PIN 4: T+
RS422 Wiring Diagram
Serial Device
EX9132C-RS485
T-
1 R-
T+
2 R+
R-
3 T-
R+
4 T+
RS422 Pin Assignment
The pin assignment scheme for a 4-pin RS422 is given below.
PIN 3: T-
PIN 4: T+
RS485 Wiring Diagram
Serial Device
EX9132C-RS485
D+
3 D+
D-
4 D-