Lan Jack (Optional) - MSI KM4M Series Manual

Serial Port Connector: COM 1
The mainboard offers one 9-pin male DIN connector as serial port COM
1. The port is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial mouse or other serial devices directly to
the connector.
1 2 3 4
6 7 8 9
9-Pin Male DIN Connector
RJ-45 LAN Jack (Optional)
The mainboard provides a RJ-45 connector that allows your computer
to be connected to a network environment.
LAN Jack
(RJ-45)
5
PIN
1
2
3
4
5
6
7
8
9
Pin
Activity 1
2
Indicators
3
4
5
6
7
8
Hardware Setup
Pin Definition
SIGNAL DESCRIPTION
DCD Data Carry Detect
SIN Serial In or Receive Data
SOUT Serial Out or Transmit Data
DTR Data Terminal Ready)
GND Ground
DSR Data Set Ready
RTS Request To Send
CTS Clear To Send
RI Ring Indicate
Signal Description
TDP Transmit differential pair
TDN Transmit differential pair
RDP Receive differential pair
NC Not used
NC Not used
RDN Receive differential pair
NC Not used
NC Not used
2-13