6.14 IP Source PID Monitoring and Redundancy
For source IP streams, the AVP 4000 can be set into a mode to monitor some
incoming PIDs for errors. The error monitoring will check for
• Continuity count errors.
• Missing PID.
The monitoring is only available for video and audio components, and is limited to a
maximum of 40 PIDs in total shared across all services being transcoded.
A selection of the PIDs being monitored may also be selected to control redundancy
switching of the IP source. Use of this feature requires that the primary and backup
are mirrors using the same PIDs for the same components. All components selected
for monitoring may be selected as also used to control redundancy switching.
6.14.1 Selecting PIDs for Monitoring
When configuring the AVP 4000 to perform a transcoded service from an IP source,
the wizard will present a step in which the user selects which PIDs, if any, are to be
monitored or monitor-and-redundancy switch. See Chapter 3, Getting Started: How
to Set Up Transcoded (Re-encoded) Services on EI9001T.
Alternatively, the user may select the PIDs to monitor by selecting a component
whose source PID is to be monitored, and choosing its Component tab. Examples
for a video and an audio component are shown in Figure 6.12 and Figure 6.13.
Figure 6.12 Video Components Tab
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