Videotek TVM9100PKG Installation And Operation Handbook page 224

Alarm Descriptions
TS Alarms Descriptions (TVM-VTM-ASI)
The TS Alarms menu contents are listed below.
Alarm Reporting Setup
The TS Alarm Reporting Setup menu is used to accesses the Alarm Reporting Matrix.
In the Alarm Reporting Matrix select what functions each Alarm will trigger when an
alarm is activated. An alarm occurrence can trigger a log indication, sound, SNMP
trap, GPI OUT 1 and GPI OUT 2.
Loss of Signal
The Loss of Signal alarm is activated when the signal carrier is not detected.
CRC Change
The CRC change alarm occurs when the selected table's CRC information changes.
The selectable monitored tables are PAT, PMT, STT, MGT, VCT, RRT, EIT, and
ETT.
st
ETR 290 1 Priority
st
The ETR 290 1 Priority menu contains the TS Sync Loss alarm, Sync Byte Error
alarm, PAT Error alarm, Continuity Count Error alarm, PMT Error alarm, and PID
Error alarm.
TS Sync Loss
The TS Sync Loss alarm activates when two or more consecutive corrupted sync bytes
occur for a period in excess of the duration setting.
Sync Byte Error
Sync Byte Error activates as soon as the correct sync byte (0x47) does not appear after
188 or 204 bytes.
PAT Error
The PAT Error alarm activates when the PAT table is missing for a period in excess of
the duration setting.
Continuity Count Error
The Continuity Count Error alarm activates on "Incorrect Packet Order" and "Lost
Packet."
PMT Error
The PMT Error alarm occurs when there is no PMT and the corresponding program is
not decodable.
200 TVM Series Installation and Operation Handbook
Copyright © 2008, Harris Corporation