Com1&Com2 Connector - AXIOMTEK GOT5100T-832 User Manual

2.2.1 COM1&COM2 Connector
The COM1 and COM2 is a standard DB-9 connector. This connector is equipped with +5V level
power capability on DCD and +12V level on RI by setting JP10 and JP11. The pin assignment of
RS-232/RS-422/RS-485 is listed on the following table. If you need COM1 port to support RS-422
or RS-485 mode, please refer to Jumper Settings
Pin RS-232
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Hardware Installation
RS-422 RS-485
TX- Data-
TX+ Data+
RX+ N.C
RX- N.C.
No use No use
No use No use
No use No use
No use No use
No use No use
GOT5100T-832 User's Manual
COM1(SBC87832)
1 5
6 10
11