Test: Test Patterns; Figure 5-4. Traffic Data Flow - Loopback Block Diagrams - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Front Panel Operation

Test: Test Patterns

Test Pattern Subst:
Off 2047
The availability of test patterns depends on the type of interface.
Interface Card
Tx Data
Rx
Data
Interface Card
Tx Data
Rx
Data
2^23-1 (E)
Traffic Data Flow - Block Diagram
Tx Tx Data
FIFO Buffer
Rx Rx
Doppler Data
Buffer Buffers
Tx Tx Data
FIFO Buffer
Rx Rx
Doppler Data
Buffer Buffers
I/O Loop
Figure 5-4. Traffic Data Flow – Loopback Block Diagrams
Framer Card
FEC Card
Data
FEC
Driver
Encode
Data
FEC
Driver
Decode
Normal
Framer Card
FEC Card
Data
Driver FEC
Encode
Data
FEC
Driver
Decode
(Available Some Interfaces)
5–49
Revision 9
MN/CDM710.IOM
Mod Card
Modulator
DeMod Card
DeMod
Mod Card
Modulator
DeMod Card
DeMod