X8821e/X8821m / X8824e/X8824m User’s Guide
6
X8824e/X8824m Front Panel
The front panel contains lights called Light Emitting Diodes (LEDs) that indicate the
status of the unit.
Figure 4: X8824e/X8824m Front Panel and LEDs
Label
Color
Function
Power green
On: device is powered on
Off: device is powered off
WAN green
On: DSL link reaches showtime, which means
that your device has successfully connected
to your ISP’s DSL network.
Off: DSL link not in showtime, your device has
not successfully connected to your ISP’s DSL
network.
Blink: Try to connect to ISP’s DSL network
PPP
green
On: PPP SYNC UP
Off: NO PPP link
Blink: Valid IP packet being transmitted
LAN
green
On: LAN link established and active
Off: No LAN link
Blink: Data being transmitted
USB
green
On: USB link established and active
Off: No LAN link
Blink: Data being transmitted