AXIOMTEK MVS900-511-FL Series, User Manual

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MVS900-511/512-FL
18 Introduction
1.7.15 Isolated COM & DIO I/O
The system has two serial ports & DIO, including COM1~COM2* with isolated 1.5KVDC
protection and DIO1~DIO2 8-in/8-out isolated 1.5KVDC DIO ports.
*RS-232/422/485 can be configured via BIOS settings
(Refer to website about SDK, driver and test tool.)
※
COM1,COM2,DIO1,DIO2
Note: The RS-485 only support below communicate data format:
8 data bits + 1 stop bit
8 data bits + 1 parity bit + 1 stop bit
8 data bits + 1 parity bit + 2 stop bits
8 data bits + 2 stop bits
7 data bits + 1 parity bit (even or odd) + 2 stop bits
CN1 (COM1)& CN2(COM2)
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
10 GND_EARTH No use No use