Data Rate Ranges; Framing Summary (Future - Comtech EF Data CDM-Qx Installation And Operation Manual

CDM-Qx Satellite Modem
Summary of Specifications
A.5

Data Rate Ranges

FEC Type
Viterbi
Viterbi
Viterbi
Viterbi
Viterbi + R-S
Viterbi + R-S
Viterbi + R-S
Viterbi + R-S
Viterbi + R-S
Viterbi + R-S
TCM + RS
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
TPC
A.6

Framing Summary (Future)

Overhead added
Available data rates and
format
Overhead components
Additional Reed-
Solomon Overhead
Scrambling
(see Note 1 )
Modulation
BPSK
QPSK
QPSK
QPSK
BPSK
QPSK
QPSK
QPSK
16-QAM
16-QAM
8-PSK
BPSK
BPSK
QPSK
QPSK
QPSK
QPSK
8-PSK
8-PSK
8-PSK
16-QAM
16-QAM
Transparent
None
All rates and formats
None
220/200
225/205
219/201 for IESS-310 mode
Basic ITU
V.35 (Intelsat)
Notes:
1. When Reed-Solomon is Off.
2. 1.5 % for Rates 5/16, 21/44 BPSK Turbo, Rate 21/44 QPSK Turbo,
and all rates > 2 Mbps
Code Rate
Rate 1/2
Rate 1/2
Rate 3/4
Rate 7/8
Rate 1/2
Rate 1/2
Rate 3/4
Rate 7/8
Rate 3/4
Rate 7/8
Rate 2/3
Rate 5/16
Rate 21/44
Rate 21/44
Rate 3/4
Rate 7/8
Rate 17/18
Rate 3/4
Rate 7/8
Rate 17/18
Rate 3/4
Rate 7/8
EDMAC (Future)
5% to 2 Mbps
1.5%
(see Note 2)
All rates and formats
Remote control link between
modems' processor
200/180
Proprietary scrambler
A–7
Revision 6
MN/CDMQx.IOM
Data Rate Range
32 kbps to 5 Mbps
32 kbps to 10 Mbps
32 kbps to 15 Mbps
32 kbps to 17.5 Mbps
32 kbps to 4.5 Mbps
32 kbps to 9.1 Mbps
32 kbps to 13.7 Mbps
32 kbps to 16 Mbps
349.1 kbps to 20 Mbps
407.3 kbps to 20 Mbps
232.7 kbps to 18.3 Mbps
32 kbps to 3.1 Mbps
32 kbps to 4.7 Mbps
32 kbps to 9.5 Mbps
32 kbps to 15 Mbps
32 kbps to 17.5 Mbps
32 kbps to 18.888 Mbps
288 kbps to 20 Mbps
336 kbps to 20 Mbps
362 kbps to 20 Mbps
384 kbps to 20 Mbps
448 kbps to 20 Mbps