70 MIC-3318 User's Manual
B.5 COMport (2F-CN3, 2F-CN5, 2F-CN4,2F-CN6)

For front panel (2F-CN3 ,2F-CN5)

For external connection to 3F (2F-CN4, 2F-CN6)

Table B-5: COM port pin definitions
PIN RS-232 RS-422 RS-485
1 NDCD TX- D-
2 NRX TX+ D+
3 NTX RX+
4 NDTR RX-
5 GND
6 NDSR
7 NRTS
8 NCTS
9 NRI
15
9
6
324
78
69
15
69
15