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2.1.2 LED Indications
The front panel LEDs indicates instant status of power and system status, fan status, port links and activity. It helps monitor
troubleshoot when needed.
XDL-2420R LED Indication
DSLAMP LED Indication Table
■ System
LED
Color
ACTV
Green
Fail
Red
■ Per VDSL Interface ( Port-1 to Port-24)
LED
Color
DSL
Green
■ 10/100/1000BASE-T Copper / 1000BASE-SX/LX SFP Interface (GE1 and GE2)
LED
Color
Copper Port
Green
Fiber Port
Green
Figure 2-2
shows the LED indications of the DSLAM.
Figure 2-2: DSLAM LED on Front Panel
On:
Indicates that the IP DSLAM is powered on.
Off:
Indicates that the IP DSLAM is powered off.
Blink
Indicates that the IP DSLAM is booting.
On:
Indicates that the system is inactive.
Off:
Indicate that the system is active without problem.
On:
Indicates that the VDSL link is established.
Slow Blink: Indicates that the VDSL is chaining with remote CPE.
Indicates that the Data link is actively sending or receiving data over that
Quick Blink:
DSL port.
Off:
Indicates that the DSL has not activated.
On:
Indicates the link through that port is successfully established.
Indicates that the DSLAM is actively sending or receiving data over that port.
Blink:
(LNK/ACT LED is orange in color).
Off:
Indicates that the port has linked down.
On:
Indicates the link through that port is successfully established.
Blink:
Indicates that the DSLAM is actively sending or receiving data over that port.
Off:
Indicates that the port has linked down.
Function
Function
Function
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