ACO6800+ Installation and Operation Manual 81
Copyright © 2009, Harris Corporation
Chapter 7: ACO6800+ASID Parameters, LEDs, and Alarms
Subdevice Alarms
Table 7-6 describes the alarms for each of the subdevices on the
ACO6800+ASID module. You can only identify specific alarms using a
software control application. Depending on which module you are using, some
of the subdevice alarms may not be available.
Table 7-6. ACO6800+ASID Subdevice Alarms
Alarm Name Alarm Description
Alarm Option Default Settings
Alarm
priority
Trigger (s) Clear (s)
Loss of signal Reports that the module can not lock to the
stream data.
72 5
(CRC) Change Reports that one or more of the enabled CRC
change alarms has changed. The list of CRC
change alarm(s) must be individually enabled on
the parameters page. The alarm selections
include:
PAT, PMT, CAT, NIT (DVB), BAT (DVB),
SDT (DVB), EIT (DVB), MGT (ATSC), TVCT
(ATSC), CVCT (ATSC), RRT (ATSC), EIT
(ATSC) and ETT (ATSC).
This error must be cleared manually on the
parameter page once the alarm is activated.
205
TS Sync loss Reports that the module input has lost
synchronization with the input source.
62 5
Sync Byte error Reports that the Sync byte is not present in a
transport stream packet. (188 or 204 bytes)
42 5
PAT error Reports one or more of the following:
• The PID 0x0000 does not occur for the
selected repetition rate. (spec 0.5 s)
• When a PID 0x0000 occurs it does not
contain a table id of 0x00 (PAT)
• The scrambling control field is not 00 for
PID 0x0000 *
455
Continuity Count
error
Reports one or more of the following:
• Incorrect packet order
• A packet occurs more than twice
• Lost packet *
42 5
PMT error Reports one or more of the following:
• Sections with table id 0x02, (PMT), does not
occur for the selected repetition rate (spec.
0.5 s) for the PID which is referred to in the
PAT
• Scrambling control field is not 00 for all
PIDs containing sections with table id 0x02
(PMT) *
40.55
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