Figure A-15. Reed-Solomon Codec Block Diagram; Table A-20. Specifications - Comtech EF Data SLM-3650 Installation And Operation Manual

SLM-3650 Satellite Modem
Options
The Reed-Solomon Codec works in conjunction with the Viterbi decoder and includes
additional framing, interleaving, and Codec processing to provide concatenated FEC and
convolutional encoding and decoding.
Refer to Figure A-15 for a block diagram of the Reed-Solomon Codec.
MUXDATA
MUX CLK
MAIN
INTERFACE
PCB
DMXDATA
LOOPBACK
DMX CLK
A.2.1.1 Specifications
Refer to Table A-20 (below) for overhead types and data rates supported by the
Reed-Solomon Codec option. Refer to Chapter 1 for BER specifications.
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REED-SOLOMON
PROCESSOR
RX
DATA
MUX
RX CLK

Figure A-15. Reed-Solomon Codec Block Diagram

Table A-20. Specifications

Overhead Type
IDR (T1) 1640 kbps
IDR (E1) 2144 kbps
D&I 64 to 1920 kbps
IBS 64 to 2048 kbps
ASYNC 2.4 to 2048 kbps
No Overhead 2.4 to 4.555 kbps
AUPC 2.4 to 2048 kbps
A–62
TX DATA
LOOPBACK
TX CLK
MUX
OVERHEAD
Data Rate
Revision 3
MN/SLM3650.IOM
CHASSIS
INTERFACE
CDRDATA
CDR CLK
MAIN
PCB
DECDATA
DEC CLK