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Monitoring the Unit
Front Panel LEDs
6-6
T1 SDSL
TERMINAL
Front Panel LEDs for DSX-1-Compatible Unit
T1 SDSL
TERMINAL
Front Panel LEDs for V.35/V.11-Compatible Unit
LED
Meaning
Local
The local T1 interface has a loss of signal.
Remote
The remote T1 interface has a loss of signal.
Loop Bk
The unit is in loopback. Refer to Chapter 7,
PWR
Power is applied to the unit.
FAIL
The processor has halted and repairs are required.
Loop
A failure in the SDSL loop has been detected.
NOTE:
February 1998
NETWORK
SYSTEM
DSL
The Loop LED lights or blinks during power up, then goes
out when the loop has been established.
TM
TM
7900
7900
97-15716
7900
97-15717
Testing ,
for more information.
7914-A2-GB20-00
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