GRASS VALLEY IQUCP25, User Manual

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UCP - 3901
Multiviewer SDC Chapter User Manual
Counters
The
Counters
page allows you to clear various global counters on UCP - 3901 Card pages.
These count various types of error conditions that might occur.
Fig. 9-5: Counters page
Parameter Description
Clear All Sender
Dropped Pkts
Counts the number of data packets an IP sender has had to drop. For
example, if an IP connection were over-subscribed, a sender may drop
data packets to prevent the total IP sending bandwidth being
exceeded.
Clear All CRC
Counts
These count any SDI video CRC errors in the
internal
Multiviewer SDC
multiviewer head display output video signals (that is from the
Multiviewer SDC to the UCP - 3901 Card).
Clear All RTP
Counts
Counts jumps in an Real-time Transport Protocol (RTP) packet ID
sequence in an IP flow. This indicates any lost, dropped or out-of-
sequence RTP packets.
These counters are found on RTP Receiver and Ethernet pages.
Clear All MAC
Error Counts
Counts packets marked as bad, for example, for a data packet CRC
error. Such an error is normally also accompanied by an RTP error
because a packet would be dropped.
Clear All SDI Lost
Lock Counts
Counts the number of times an (internal) SDI signals to the
Multiviewer SDC comes and goes.
These counters are found on the sending spigots pages, ‘Spigot 1’ to
‘Spigot 4’.
Clear All Global
Counts
Clear all above counts.