User Manual

2-13
Chapter 2: Motherboard information
2.6 Connectors
2.6.1 Rear panel connectors
1 2 6 7
131110
4 53
1298
1. COM port. This port connects a modem or other device that conforms with
serial specication.
RS232 RS485 RS422
Pin1 DCD B T(B)
Pin2 RXD A T(A)
Pin3 TXD NC R(A)
Pin4 DTR NC R(B)
Pin5 GND GND GND
Pin6 DSR NC NC
Pin7 RTS NC NC
Pin8 CTS NC NC
Pin9 RI/5V/12V NC/5V/12V NC/5V/12V
2. Video Graphics Adapter (VGA) port. This 15-pin port is for a VGA monitor
or other VGA-compatible device.
3. PS/2 Keyboard/Mouse Combo port. This port is for a PS/2 keyboard or
mouse.
4. 2.5G Ethernet port. This port allows 2.5Gbps Ethernet connection to a Local
Area Network (LAN) through a network hub. Refer to the table below for the
Ethernet port LED indications.
2.5G LAN port LED indications
LAN port
Speed
LED
Activity Link
LED
Activity/Link LED Speed LED
Status Description Status Description
Off No link OFF No link
Green Linked Green 2.5 Gbps connection
Blinking Data activity Orange 1 Gbps/100Mbps/10Mbps connection
5. LAN (RJ-45) port. This port allow Gigabit connection to a Local Area
Network (LAN) through a network hub.