Cisco Cisco Digital Service Access Node (DSAN) 8200 Guia De Resolução De Problemas
Chapter 5 Video Output
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Alarm Related to QAM Demodulators
An alarm may appear stating that the QAM lock has failed to lock on a particular
target frequency. CLI diag page 1.0 summarizes how many QAMs are unlocked. The
field Errors: XX reports the errors. CLI diag pages 6 and 7 report any QAM
frequencies that are unlocked, as shown in the following examples.
target frequency. CLI diag page 1.0 summarizes how many QAMs are unlocked. The
field Errors: XX reports the errors. CLI diag pages 6 and 7 report any QAM
frequencies that are unlocked, as shown in the following examples.
Note: In the event of a problem, check the check the RS Uncor Blks field on this
page. A rapidly incrementing field value here is an indication of an RF problem.
page. A rapidly incrementing field value here is an indication of an RF problem.