AXIOMTEK IPC962-511-FL Series, User Manual

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IPC962/IPC964 Series U
ser’s Manual
20 Introduction
1.7.13 Flexible IO - COM I/O Card Connector (AX93511)
The system has four serial ports. COM1~COM4 are RS-232/422/485 ports. Please refer to
Chapter 3 for the detail of BIOS setting.
※
COM1,COM2,COM3,COM4
Pins RS-232 RS-422 RS-485
1 DCD, Data Carrier Detect TX- Data-
2 RXD, Receive Data
TX+ Data+
3 TXD, Transmit Data
RX+ No use
4 DTR, Data Terminal Ready
RX- No use
5 GND, Ground
No use No use
6 DSR, Data Set Ready No use No use
7 RTS, Request To Send
No use No use
8 CTS, Clear To Send
No use No use
9 RI, Ring Indicator
No use No use