Cisco D9477-1 Installation And Operation Manual page 89

LCD
Description
ASI (1-2)
errored MPEG
packets
ASI (1-2) FIFO
overflow
See also
ASI (1-2)
packets were
dumped
ASI (1-2) loss
of signal
78-717866-01 Rev D
Alarm
Probable Cause
Level
Minor An error occurred in the header of MPEG
packets as they arrived at the indicated
Input port
Minor A first-in first-out (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 MQAM
The data rate as defined from the

DNCS for the MQAM session is too
low, which also means that the data
rate of the ASI input to the MQAM is
too high
Hardware problem

Incorrect modulation mode

Major No ASI signal. This indicates one or more
of the following conditions:
An upstream device that provides

input to the MQAM has failed or is
offline
A cable has been disconnected

Troubleshooting Alarm Messages
Check and Correct
Contact Cisco Services
Reduce the data rate of

input to the MQAM
by doing the
following:
– Reducing the
amount of
incoming data
– Reducing the
amount of data
added to the
stream
– Increasing the
MQAM
modulation mode
Verify and correct

session rate targets
and threshold values
Contact Cisco Services

Check for loose or

broken DVB ASI cable
connections to the
MQAM
Check that the DVB

ASI outputs of
upstream devices are
active
Run the Doctor Report

to troubleshoot any
network connectivity
issues
Contact Cisco Services

73