150-231-185-05, Revision 05
Provisioning
HLU-231 List 8E
September 13, 1999
37
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
,
TIME: 00:29:56 TROUBLESHOOTING
DATE: 09/15/99 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
HDSL Line 1
HDSL Line 2
Signal Direction
Doubler 4
TIME: 00:11:28 TROUBLESHOOTING
DATE: 09/15/99
CIRCUIT ID#:
___ ___ ___ ___ ___ ___
| | 1 | | 1 | | 1 | | 1 | | 1 | |
LOS>| |=======| |M=R====| |=======| |=======| |=======| |>AIS
<<<<| |=======| |M=R====| |=======| |=======| |=======| |<<<<
|___| 2 |___| 2 |___| 2 |___| 2 |___| 2 |___|
NTWK HLU HDU1 HDU2 HDU3 HDU4 HRU CUST
SYMBOLS DESCRIPTIONS TROUBLESHOOTING
(M)
Low Margin Alarm Poor HDSL signal, long loop, interference
R
Channel Reversal Channel reversal nearest HLU is displayed
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