XtendLan XL-GDB series User’s Guide
4.3 LED Descriptions
The SHDSL unit has six LEDs (light emitting diode)
and their meanings and actions are listed in the table below:
On
It indicates that the unit has normal power
PWR
Off
The unit has no power
On
Loop has synchronized
DSL
Off
Loop has not synchronized
Flash Loop has achieved handshake
On
User interface is present
LNK
Off
User interface is not present
On
Performing the maintenance tests
TST
Flash The maintenance test is being performed on the other
unit
Off
Not performing the maintenance tests
On
The unit is customer premises equipment
CPE
Off
The unit is central office equipment
On
The system has alarm
Off
The system is operating normally
ALM
Flash Remote Alarm
19
Содержание XL-GDB101E
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