Ericsson 1553-FGC 101 1010 Uen A Guía de usuario descargar pdf (Pagina 109)

Configuration of Conditional Access Using XML File Download

<cp_duration_ds>600</cp_duration_ds>

<program_number>10</program_number>

<key_no>41</key_no>

<ecm_group>

<ecm_id>0x100</ecm_id>

<super_cas_id>0xD000000</super_cas_id>

<access_criteria>1111112222223333334444446666</access_criteria>

</ecm_group>

</scg>

</ecmg>

<emmg>

</emmg>

</simulcrypt_config>

• The scg_id shall be different for each SCG. The usual value for this is

(output_index<<8) + program_index, making each unique.

• The transport_stream_id and program_number are set in the unit

configuration.

Note: The transport_stream_id in this case is actually the transport stream

index which starts at 0 (i.e. output 1 = transport_stream_id 0, output 2 =

transport_stream_id 1 and so on).

• The cp_duration_ds is the minimum duration of the crypto period in

decisecond (1/10 of a second). This shall be higher than the value set on the

web browser for crypto period duration and shall also be higher than the value

that the ECMG may declare as its minimum crypto period duration at the time of

connection (the parameter nominal_cp_duration that is present in the

channel_setup message of OPENCAS).

• The key_no has to be different for each SCG and be below 512.

• The ecm_group shall contain the relevant super_cas_id and access_criteria

(max 1 kbyte),

• The ecm_id shall have the following construction:

• (output_index << 8) + (64 * simul_stream) + program_index.

• simul_stream is kept as 0 as long as simulcrypting is not used (same program

number encrypted by multiple ECMGs / multiple SuperCasID)

• Its lower byte, i.e. (64 * simul_stream + program_index) will be the offset

added to the ECM_PID_output<output_index>min and has to be lower than

ECM_PID_output<output_index>max.

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Ericsson 1553-FGC 101 1010 Uen A Guía de usuario Pagina 109