Table 5-1. Symbol Rate / Data Rate Range - Standard Fecframe And 188 Byte Format - Comtech EF Data CDM-710 Installation And Operation Manual
Broadcast satellite modem
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- Installation and operation manual (248 pages)
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CDM-710 Broadcast Satellite Modem
Front Panel Operation
Table 5-1. Symbol Rate / Data Rate Range – Standard FECFrame and 188 Byte Format
(QPSK 1/4, 1/3 and 2/3 data is for informational purposes only)
Modulation
FEC Code
DVB-S2 - Standard FEC Frame = 64,800 Bits
QPSK
LDPC+BCH
8PSK
LDPC+BCH
16APSK
LDPC+BCH
32APSK
LDPC+BCH
DVB-S & DVB-DSNG FEC Frame Does Not Apply
QPSK
Conv+RS
8-PSK
Conv+RS
16-QAM
Conv+RS
Symbol Rate
Spectral
Inner
(Msps)
Efficiency
Code
Rate
Min
Max
Pilot OFF
1/4
0.490243
1/3
0.656448
2/5
0.789412
1/2
0.988858
3/5
1.188304
2/3
1
45
1.322253
3/4
1.487473
4/5
1.587196
5/6
1.654663
8/9
1.766451
9/10
1.788612
3/5
1.779991
2/3
1.980636
3/4
2.228124
1
45
5/6
2.478562
8/9
2.646012
9/10
2.679207
2/3
2.637201
3/4
2.966728
4/5
3.165623
1
35
5/6
3.300184
8/9
3.523143
9/10
3.567342
3/4
3.703295
4/5
3.951571
5/6
1
28
4.119540
8/9
4.397854
9/10
4.453027
1/2
0.921569
2/3
1.228758
3/4
1
45
1.382353
5/6
1.535948
7/8
1.612745
2/3
1.843137
5/6
1
45
2.303922
8/9
2.457516
3/4
2.764706
1
45
7/8
3.225490
Data Rate (Mbps)
Pilot OFF
Min
Max
0.490243
22.060942
0.656448
29.540166
0.789412
35.523546
0.988858
44.498615
1.188304
53.473684
1.322253
59.501385
1.487473
66.936288
1.587196
71.423823
1.654663
74.459834
1.766451
79.490305
1.788612
80.487535
1.779991
80.099585
1.980636
89.128631
2.228124
100.265560
2.478562
111.535270
2.646012
119.070539
2.679207
120.564315
2.637201
92.302026
2.966728
103.835482
3.165623
110.796808
3.300184
115.506446
3.523143
123.310006
3.567342
124.856967
3.703295
103.692261
3.951571
110.643985
4.119540
115.347126
4.397854
123.139923
4.453027
124.684751
0.921569
41.470588
1.228758
55.294118
1.382353
62.205882
1.535948
69.117647
1.612745
72.573529
1.843137
82.941176
2.303922
103.676471
2.457516
110.588235
2.764706
124.411765
3.225490
145.147059
5–15
Revision 11
MN/CDM710.IOM
Spectral
Data Rate (Mbps)
Efficiency
Pilot ON
Pilot ON
Min
0.478577
0.478577
21.535965
0.640827
0.640827
28.837209
0.770627
0.770627
34.678204
0.965327
0.965327
43.439697
1.160026
1.160026
52.201190
1.290788
1.290788
58.085452
1.452076
1.452076
65.343429
1.549426
1.549426
69.724175
1.615288
1.615288
72.687939
1.724416
1.724416
77.598702
1.746049
1.746049
78.572201
1.739569
1.739569
78.280616
1.935658
1.935658
87.104623
2.177525
2.177525
97.988646
2.422276
2.422276
109.002433
2.585924
2.585924
116.366586
2.618365
2.618365
117.826440
2.574613
2.574613
90.111471
2.896320
2.896320
101.371209
3.090495
3.090495
108.167326
3.221863
3.221863
112.765192
3.439530
3.439530
120.383555
3.482680
3.482680
121.893803
3.623332
3.623332
101.453291
3.866247
3.866247
108.254911
4.030589
4.030589
112.856500
4.302894
4.302894
120.481032
4.356875
4.356875
121.992503
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Max
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