Back Panel; Serial Port Connector: Rj-45/Com - MSI MS-9125 User Manual

The back panel provides the following connectors:
USB VGA

Serial Port Connector: RJ-45/COM1

A serial port converter is provided in the mainboard package to convert
the onboard RJ-45/COM1 port from the RJ-45 LAN jack into standard 9-pin
serial port COM1. The serial port is a 16550A high speed communication
port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or
other serial device directly to it.
1 2 3 4 5
6 7 8 9
COM1

Back Panel

LAN
RJ-45/COM1
port converter)
Mouse/
SCSI LAN
Keyboard
(with Y-type
PS/2 converter)
Pin Definition
PIN SIGNAL DESCRIPTION
1 DCD Data Carry Detect
2 SIN Serial In or Receive Data
3 SOUT Serial Out or Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request To Send
8 CTS Clear To Send
9 RI Ring Indicate
Hardware Setup
(with serial
USB
2-9