
Provisioning
150-231-184-05, Revision 05
36
October 25, 1999
HLU-231 List 8D
View Troubleshooting Screen
The Troubleshooting screen graphically analyzes the circuit and identifies any problem areas.
Press
at the Maintenance Terminal Main Menu to access the Troubleshooting screen. The Troubleshooting
screen (
) appears showing the HLU, the HRU and any doublers that are in the circuit (up to four).
Figure 20.
Troubleshooting Screen for a Doubler Application
shows an example of a circuit that has identifiable problems. Symbols on the troubleshooting diagram
indicate the location of the circuit problems. The legend describes the type of problem.
Figure 21.
Troubleshooting Screen Describing Circuit Problem
J
TIME: 17:34:31
TROUBLESHOOTING
DATE: 10/08/99
CIRCUIT ID#:
___
___
___
___
___
___
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
>>>>|
|=======|
|=======|
|=======|
|=======|
|=======|
|>>>>
<<<<|
|=======|
|=======|
|=======|
|=======|
|=======|
|<<<<
|___|
2
|___|
2
|___|
2
|___|
2
|___|
2
|___|
NTWK
HLU
HDU1
HDU2
HDU3
HDU4
HRU
CUST
SYSTEM OPERATIONAL
AUTOUPDATE OFF
(E)xit (A)uto(U)pdate (H)elp (L)oopbacks
(Signal
Direction)
Doubler
HDSL LIne 1
HDSL LIne 2
TIME: 17:36:07
TROUBLESHOOTING
DATE: 10/08/99
CIRCUIT ID#:
___
___
___
___
___
___
|
|
1
|
|
1
|
|
1
|
|
1
|
|
1
|
|
>>>>|
|C======|
|=======|
|=======|
|=======|
|X======|
|>>>>
AIS<|
|C======|
|=======|
|=======|
|=======|
|X======|
|<LOS
|___|
2
|___|
2
|___|
2
|___|
2
|___|
2
|___|
NTWK
HLU
HDU1
HDU2
HDU3
HDU4
HRU
CUST
SYMBOLS
DESCRIPTIONS
TROUBLESHOOTING
X
HDSL loop not in sync
Bad connection
(C)
HDSL Errored Second
Shorts, interference, noise
L(O)S
DS1 Unavailable Second
Loss of T1 signal at input
AIS
Alarm Indication Signal
Far end LOS, HDSL LOSW, loopbacks or MAL
AUTOUPDATE OFF
(E)xit (A)uto(U)pdate (H)elp (L)oopbacks