Cisco Model D-PCG1000 PowerKEY CAS Gateway Maintenance Manual
GoQAM, GQAM, and MQAM Modulator Front Panel LCD Alarm Messages
4019476 Rev B
45
LCD Display
Severity Probable Cause
Check and Correct
ASI (1-2)
loss of signal
loss of signal
(MQAM only)
Major
No ASI signal. This indicates one
or more of the following
conditions:
or more of the following
conditions:
An upstream device that
provides input to the MQAM
has failed or is offline
provides input to the MQAM
has failed or is offline
A cable has been
disconnected
disconnected
1
Check for loose or broken
DVB ASI cable connections
to the MQAM
DVB ASI cable connections
to the MQAM
2
Check that the DVB ASI
outputs of upstream devices
are active
outputs of upstream devices
are active
3
Run the Doctor Report to
troubleshoot any network
connectivity issues
troubleshoot any network
connectivity issues
4
Contact Cisco Services
ASI (1-2)
Packets were
dumped.
Packets were
dumped.
(MQAM only)
See also
(ASI (1-2)
FIFO
Overflow.
(ASI (1-2)
FIFO
Overflow.
Minor
A FIFO overflow occurred and
packet data has been lost. This
indicates one or more of the
following conditions:
packet data has been lost. This
indicates one or more of the
following conditions:
Too many sessions defined
from the DNCS for the
MQAM
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
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
1
Reduce the data rate of input
to the MQAM by doing the
following:
to the MQAM by doing the
following:
Reducing the amount of
incoming data
incoming data
Reducing the amount of
data added to the stream
data added to the stream
Increasing the MQAM
modulation mode
modulation mode
2
Run the Doctor Report to
troubleshoot network
connectivity issues
troubleshoot network
connectivity issues
3
Contact Cisco Services
Craft Event Change
LCD Display
Severity Probable Cause
Check and Correct
Craft event
change
change
Status
QAM device settings were
viewed or changed from the craft
port
viewed or changed from the craft
port
Verify that all services are still
functioning correctly
functioning correctly
Front Panel Event Change
LCD Display
Severity Probable Cause
Check and Correct
Front panel
event change
event change
Status
QAM device settings were
changed from the craft port
changed from the craft port
Verify that all services are still
functioning correctly
functioning correctly