Cisco GoQAM Installation And Operation Manual page 152

Chapter 8 Troubleshooting the GoQAM
LCD
Description
Input (1-4)
MPEG
Transport
error
Input (1-4)
packets were
dumped
See also
Input (1-4)
FIFO overflow
Input (1-4)
PAT Update
136
Alarm Probable Cause
Level
Minor MPEG transport error indicator counter.
An error occurred in the header of the
MPEG packet
Minor A FIFO overflow occurred and packet
data has been lost. This indicates one or
more of the following conditions:
Too many sessions defined from the

DNCS for the GoQAM
The data rate as defined from the

DNCS for the GoQAM session is too
low, which also means that the data
rate of the ASI input to the GoQAM is
too high
Hardware problem

Incorrect modulation mode

Status The PAT seen at one of the inputs
or (1-4) on the GoQAM yields a version
Minor number change indicating that the input
stream has changed.
Check and Correct
Check one or more

upstream devices
connected to the DVB
ASI input ports
Run the Doctor Report

to troubleshoot
network connectivity
issues
Contact Cisco Services

Reduce the data rate of

input to the GoQAM
by doing the
following:
– Reducing the
amount of
incoming data
– Reducing the
amount of data
added to the
stream
– Increasing the
GoQAM
modulation mode
Run the Doctor Report

to troubleshoot
network connectivity
issues
Contact Cisco Services

If the GoQAM handles

the PAT, the alarm is
for information only
(Status) and will clear.
No user action
required.
If the GoQAM does

not handle the PAT
update, the alarm is
sent as a Minor alarm,
and does not clear.
You may need to
reboot the GoQAM to
re-acquire the input
stream.
4004834 Rev D