Flexible Io - Isolated Com X4 I/O Card (Ax93516) - AXIOMTEK IPC950 User Manual

1.8.21 Flexible IO – Isolated COM x4 I/O Card (AX93516)
The system has an optional module with four serial ports. COM2~COM5 are RS-232/422/485
with isolated 2KV ports. Please refer to Chapter 4 for the details of BIOS settings.
※COM2,COM3,COM4,COM5
Pins RS-232
DCD, Data
1
Detect
2 RXD, Receive Data
3 TXD, Transmit Data
DTR, Data Terminal
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
Introduction
RS-422
Carrier TX-
TX+
RX+
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
IPC950 user's Manual
33