AXIOMTEK ICO300-83B, User Manual

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ICO300-83B Series U
ser’s Manual
Introduction
4
1.2.9 COM
⚫ 4 ports DB9 support RS-232/422/485 which can be selected by BIOS.
⚫ Supports Auto Flow Control in RS485 mode .
⚫ Serial Port Pin Define: (DB9 Male) as below
COM1~4
Pin RS-232 RS-422 RS-485
1 DCD TX- Data-
2 RXD TX+ Data+
3 TXD RX+ --
4 DTR RX- --
5 GND GND GND
6 DSR -- --
7 RTS -- --
8 CTS -- --
9 RI -- --
1.2.10 Power
⚫ Wide-range 12 - 24V DC power input with terminal block.
⚫ OVP and Reverse protection.
Pin Signal
1 +
2 NC
3 -
1.2.11 WatchDog Timer (WDT)
⚫ 1~255 seconds or minutes; up to 255 levels
.