Common Features; Block Diagram - Triax TDcH 16S-I-Q User Manual

TDcH Compact Headend

3.1.1 Common Features

4 x SAT IF inputs
Integrated multi switch
SCR (Satellite Channel Router) support
DiSEqC support
LNB LOF configuration
1 x Terr – Cable input (TDcH 22STC-I)
Integrated splitter
16 x DVB-S2 tuners
6 x DVB-T/T2/C tuners (TDcH 22STC-I)
8 x CI interfaces (TDcH 16S-I-Q, TDcH 16S-I, TDcH
22STC-I)
16 x QAM or COFDM full band modulators
- Electronically adjustable output level
- Suitable for adjacent channels
- Symbol rates and modulation individually
adjustable
Service Multiplexing
- TV-Service Multiplexing at each output
transponder to optimize available bandwidth.
TV-Service Multiplexing at the CA modules to
-
reduce amount of needed CAM's

3.1.2 Block diagram

Note:
CI interface on TDcH 16S-I-Q, TDcH 16S-I and TDcH 22STC-I only
Terr / Cable input on TDcH 22STC-I only
SID, TSID and ONID management
- To handle conflicts during multiplexing
- To do changes if required
PID management
To handle PID conflicts
-
- PID filtering, as a sample to reduce audio
channels from a TV service
- Distribute the same TV services multiple times
with different languages
- In case of service changes to secure no new
TV channel tune
EPG management
EPG handling to manage the amount of EPG-data
distributed in a output transponder
Transport Stream Processing
- Network Information Table (NIT) for complete
head-end station
LCN (Logical Channel Numbering)
-
Service Filtering with the option to:
- Remove unwanted services
- Remove services to minimize data rate
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