M S-7551 M ainboard
LAN
The standard RJ-45 LAN jack is for connection to
the Local Area Network (LAN). You can connect a
network cable to it.
LED
Color
LED State
Off
Left
Yellow
On (steady state)
On (brighter & pulsing) The computer is communicating with another computer on the LAN.
Green
Off
Right
On
Orange
On
Audio Ports
These audio connectors are used for audio devices. You can differentiate the color
of the audio jacks for different audio sound effects.
Line-In (Blue) - Line In, is used for external CD player, tapeplayer or other
Line-Out (Green) - Line Out, is a connector for speakers or headphones.
Mic (Pink) - Mic, is a connector for microphones.
RS-Out (Black) - Rear-Surround Out in 4/ 5.1/ 7.1 channel mode.
CS-Out (Orange) - Center/ Subwoofer Out in 5.1/ 7.1 channel mode.
SS-Out (Gray) - Side-Surround Out 7.1 channel mode.
En-12
Condition
LAN link is not established.
LAN link is established.
10 Mbit/sec data rate is selected.
100 Mbit/sec data rate is selected.
1000 Mbit/sec data rate is selected.
audio devices.
Yellow
Green / Orange