Comtech EF Data CME-5000 Manual - Manual (Page 44)

Digicast Micro Encapsulator (MENCAP) Revision A
Device Management via User Interfaces MN/MENCAPEDC.IOM
4.2.4 PSI Configuration
Figure 4-6. PSI Configuration page
The MENCAP 50 provides support for MPEG-2 PSI and DVB SI; for MPEG-2, PSI
provides the Program Association Table (PAT) and Program Map Table (PMT).
The Network Information Table (NIT) is supported per DVB SI specification for DVB-C
(cable), DVB-S (satellite), and DVB-T (terrestrial).
Since ATSC data is present in the multiplex as unknown, no ATSC tables are supported
to ensure audio/video set-top boxes do not inadvertently tune to data services. While no
ATSC tables are supported, per se, ATSC data types are supported in the form of IP
encapsulation of IP datagrams
The PAT resides on PID 0x0000 and the MENCAP 50 allows the user to define the
following PID for the PMT:
•
The PMT announces the PID assigned to each valid route.
•
The stream type for a PID assigned to a route will be announced as “DSM-CC”
(stream type 0x08).
•
Each route will have its own program map PID (defined as PMT base PID + route
number – 1).
•
In the PAT, each program number will be assigned the corresponding route
number. The NIT is assigned to PID 0x0010.
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