Flexible Io - Isolated Com X4 I/O Card (Ax93516) - AXIOMTEK IPC974-519-FL User Manual

IPC974 Series User's Manual
1.7.16 Flexible IO – Isolated COM x4 I/O Card (AX93516)
The system has four serial ports. COM1~COM4 are RS-232/422/485 with isolated 2KV ports.
*RS-232/422/485 can be configured via BIOS settings
※COM1,COM2,COM3,COM4
Pins RS-232
DCD, Data
1
Detect
2 RXD, Receive Data
3 TXD, Transmit Data
DTR, Data
4
Ready
5 GND, Ground
6 DSR, Data Set Ready
7 RTS, Request To Send
8 CTS, Clear To Send
9 RI, Ring Indicator
10 GND_EARTH
24
RS-422
Carrier TX-
TX+
RX+
Terminal RX-
No use
No use
No use
No use
No use
No use
RS-485
Data-
Data+
No use
No use
No use
No use
No use
No use
No use
No use