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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:
IP Address
IP address of the external unit MMI management interface
Filter by Domain
(Optional)
Optionally select the PSI to syncronise from a specific domain from the
remote unit
Filter by Net (Optional)
DVB network ID
–
if specified, only download external sections from this
network. Otherwise, all sections are downloaded regardless of the network.
SDT
Check this box to synchronize SDT
NIT
Check this box to synchronize NIT
Status
Provides feedback on result of last synchronization attempt; if no attempt has
been made,
Not Synced
is displayed.
Date
Time and date of last synchronization attempt; if no attempt has been made,
this field is empty.
Action
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.
