6-1
Manual MICOM-2S.Eb
Chapter 6: Connector Pin Assignments
The popular 9-pin D subminiature connector is used for interfacing to communication lines. The
connector is equipped with 4-40 threaded standoffs (female screw lock) to provide strain relief.
Pin No.
RS422
RS485
1
Rx- Receive Data (Complementary Input)
TRx-
2
Tx+ Transmit Data (Output)
3
Tx- Transmit Data (Complementary
4
Not Used
5
Gnd Isolated Common (Ground)
Ground
6
+5V Isolated 5V Supply
7
RTS Request to Send (Output)
8
CTS Clear to Send (Input)
9
Rx+ Receive Data (Input)
TRx +
Table 6-1:
Connector Pin Assignments
Note
For Simplex, Half-Duplex, and Full-Duplex operation, see the Option Selection chapter of this manual
for pin connection information.
Note
If the unit is CE-marked, then CE-certifiable cabling and breakout methodology (cable shields
grounded at the connector, shielded twisted-pair wiring, etc) must be used.
Summary of Contents for ICOM-2S
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