User Manual
Table Of Contents
Activity/Link LED Speed LED
Status Description Status Description
OFF No link OFF 100Mbps connection
GREEN Linked GREEN 2.5 Gbps connection
BLINKING Data activity ORANGE 1Gbps / 100 Mbps / 10 Mbps connection
LAN port
SPEED
LED
ACT/LINK
LED
Port
Headset
2-channel
4-channel 5.1-channel 7.1-channel
Light Blue Line In Line In Line In Side speaker
Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Mic In Mic In
Orange – – Center/Subwoofer Center/Subwoofer
Black – Rear Speaker Out Rear Speaker Out Rear Speaker Out
8. Optical S/PDIF Out port. This port connects to the optical S/PDIF devices.
9. Rear Speaker Out port (black). This port connects to the rear speakers in a 4, 5.1, and
7.1-channel audio conguration.
10. Center/Subwoofer port (orange). This port connects to the center/subwoofer speakers.
11. Microphone port (pink). This port connects to a microphone.
12. Line Out port (lime). This port connects to a headphone or speaker. In a 4, 5.1, or
7.1-channel conguration, the function of this port becomes Front Speaker Out. Supported
by ASUS Audio Wizard.
13. Line In port (light blue). This port connects to a tape, CD, DVD player, or other audio
sources.
Refer to the audio conguration table below for the function of the audio ports in the 2, 4, 5.1, or
7.1-channel conguration.
Audio 2, 4, 5.1, or 7.1-channel conguration
14. Power connector. Plug the power cord to this connector.
RATING: • 115Vac/230Vac, 9A/4.5A, 50/60Hz.
15. Power switch. Switch to turn ON/OFF the power supply to your computer.
16. ASUS Graphics Cards (on selected models only). The display output ports on these
optional ASUS Graphics Cards may vary with dierent models.
17. Wi-Fi ports. Connect the ASUS Wi-Fi antenna connectors to these ports.
18. LAN (RJ-45) port. This port allows 2.5 Gbps Ethernet connection to a Local Area Network
(LAN) through a network hub.
LAN port LED indications
ASUS Desktop PC 21
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