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 Signals
1Rx-
2Tx+
3Tx-
5GND Ground
9Rx+
Table 6-1:Connector Pin Assignments
Manual MPCICOM422-4.E1b
Page 6-1
