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Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0
78-18394-01
Chapter 1 General Troubleshooting
Restore the Database and Default Settings
introduces insertion loss. Depending on the total insertion loss and the receive sensitivity threshold of
the test set, it may not always be possible for a given test set to recover the weakened signal at maximum
cable lengths.
Step 1 At the ONS 15310-MA shelf, set the TST-DSX card front panel switch to the LOOP position.
The LOOP LED turns steady on and the ACTIVE LED blinks.
Step 2 Connect the DS-1 or DS-3 TX/OUT signal of a commercial test set to the desired input jack at the DSX
panel and connect the DSX OUT jack to the commercial test set RCV/IN port.
Note For each signal port, the TST-DSX card loops the IN port to the OUT port. That is, IN port 1 is
looped to OUT port 1, port 2 to port 2, and so on. Because of the insertion loss in each looped
port, daisy chaining of signals is not supported.
Note The commercial test set should show error free transmission. However, the return signal level is
at a reduced level.
1.8 Restore the Database and Default Settings
This section contains troubleshooting procedures for errors that require restoration of software data or
the default node setup.
1.8.1 Restore the Node Database
Symptom One or more nodes are not functioning properly or have incorrect data.
Table 1-3 describes the potential cause of the symptom and the solution.
1.9 PC Connectivity Troubleshooting
This section contains information about system minimum requirements, supported platforms, browsers,
and Java Runtime environments (JREs) for Software Release 9.0, and troubleshooting procedures for
Microsoft Windows PC and network connectivity to the ONS 15310-CL or ONS 15310-MA.
Table 1-3 Restore the Node Database
Possible Problem Solution
Incorrect or corrupted
node database.
Complete the applicable procedures in the “Maintain the Node” chapter of
the Cisco ONS 15310-CL and Cisco ONS 15310-MA Procedure Guide.
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