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The management interface on the MMI card is used to establish TCP/IP connections between units to be
synchronized; hence the required network connectivity is a prerequisite.
All synchronization is initiated manually by the operator. Changes do not take effect until either Retrieve Now or
Remove (explained below) is clicked. This also means that if PSI is updated on an external unit (e.g. a new
transport stream is added/removed, remap SDT parameters, etc.) the operator must manually perform another
synchronization to retrieve these updates.
The version number of NIT may be different between units, but the table content is the same. This may cause a
small delay for a STB when zapping between transport streams provided by different units as it would appear to
the STB that a NIT update has occurred.
The PSI Synchronization functionality is accessible from the PSI dialog by clicking on the respective tab:
To add a unit for PSI synchronization, enter in the MMI IP address of the external unit (in dotted quad format) and
click Add.
Now a table entry will be visible in the Retrieve PSI tables from external units section of the dialog, identifiable
by the IP address.
The following parameters are displayed:
DVB network ID – if specified, only download external sections from this
network. Otherwise, all sections are downloaded regardless of the network.
Provides feedback on result of last synchronization attempt; if no attempt has
been made, Not Synced is displayed.
Retrieve Now initiates a download of selected sections from the external
unit. If the operation succeeds, the Status displays OK and the output PSI will
automatically be regenerated using the received external sections.
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