User's Manual

Q470EI-IM-A
2-14
2.6 Connectors
2.6.1 Rear panel connectors
4 5 61 3
3 87 109 11 12
2
1. PS/2 mouse port (green). This port is for a PS/2 mouse.
2. USB 2.0 ports. These 4-pin Universal Serial Bus (USB) ports are for USB
2.0/1.1 devices.
3. DisplayPorts. These ports are for DisplayPort-compatible devices.
4. Serial port (COM). This port connects a modem or other device that
conforms with serial specication.
Pin
Pin Definition
RS-232 RS-422 RS-485
1 DCD TX- DATA-
2 RXD TX+ DATA+
3 TXD RX+ NC
4 DTR RX- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
5. LAN (RJ-45) ports. These ports allow Gigabit connection to a Local Area
Network (LAN) through a network hub.
LAN port LED indications
LAN port
Speed
LED
Activity Link
LED
Activity/Link LED Speed LED
Status Description Status Description
Off No link OFF 10Mbps connection
Orange Linked ORANGE 100Mbps connection
Orange (Blinking) Data activity GREEN 1Gbps connection
Orange (Blinking
then steady)
Ready to wake
up from S5 mode