Appear TV DC100X - Page 133

APPEAR AS Confidential 133/352
EMM/PD Bandwidth
During the EMM/PD stream configuration the SCS and the EMM/PD generator will negotiate the maximum
bandwidth allowed for a given stream. This bandwidth has a default value of 100kbits/s and can be also set
explicitly from the GUI. The maximum total bandwidth available per card is 3 Mbits/s for these streams.
In the case where the CA system is transmitting more data than the SCS card can handle, the CA system will
indirectly be notified as the flow control mechanism in the TCP stack will notify the transmitter; hence the CA
system can take appropriate measures to avoid overflow.
6.4.1.6 Configuring an EMM/PD Stream
An EMM/PD is defined from the EMM/PD node in the Navigation Tree.
The following information is displayed:
Stream ID
The SimulCrypt Stream ID used towards the CA system. Its value is also set to the
SimulCrypt DataId.
Name
For reference in the GUI only
EMM Generator
Links the EMM to the predefined EMMG
Type
Expected type of generator – EMM or PD
Max Rate
Maximum bandwidth allowed for this stream
Private Data
Private descriptor data added to the ca_descriptor in the CAT; enter in HEX using the
0x prefix.
PID
Preferred ECM PID value transmitted at the output module. The default PID value is
7500 (unless manually assigned) while the maximum PID value is 8191. If several
ECMs are used in an MPTS output, the ECM values will be incremented: 7501, 7502,
… etc.