Comtech EF Data SLM-5650 Installation And Operation Manual page 106

SLM-5650 Satellite Modem
Maintenance
(dB)
(S+N)/N
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
18.5
19.0
19.5
20.0
Table 5-1. Conversion to S/N and E
Code Rate 1/2
S/N E /N
b 0
1.8 1.8
2.6 2.6
3.3 3.3
4.1 4.1
4.7 4.7
5.4 5.4
6.0 6.0
6.6 6.6
7.3 7.3
7.8 7.8
8.4 8.4
9.0 9.0
9.5 9.5
10.1 10.1
10.6 10.6
11.2 11.2
11.7 11.7
12.2 12.2
12.8 12.8
13.3 13.3
13.8 13.8
14.3 14.3
14.9 14.9
15.4 15.4
15.9 15.9
16.4 16.4
16.9 16.9
17.4 17.4
17.9 17.9
18.4 18.4
18.9 18.9
19.5 19.5
20.0 20.0
5–4
/N Chart
b 0
Code Rate 3/4
S/N E /N
b 0
1.8 0.0
2.6 0.8
3.3 1.6
4.1 2.3
4.7 3.0
5.4 3.6
6.0 4.3
6.6 4.9
7.3 5.5
7.8 6.1
8.4 6.7
9.0 7.2
9.5 7.8
10.1 8.3
10.6 8.9
11.2 9.4
11.7 10.0
12.2 10.5
12.8 11.0
13.3 11.5
13.8 12.1
14.3 12.6
14.9 13.1
15.4 13.6
15.9 14.1
16.4 14.6
16.9 15.2
17.4 15.7
17.9 16.2
18.4 16.7
18.9 17.2
19.5 17.7
20.0 18.2
Revision 1
MN/SLM5650.IOM
Code Rate 7/8
S/N E /N
b 0
1.8 -0.6
2.6 0.2
3.3 0.9
4.1 1.6
4.7 2.3
5.4 3.0
6.0 3.6
6.6 4.2
7.3 4.8
7.8 5.4
8.4 6.0
9.0 6.6
9.5 7.1
10.1 7.7
10.6 8.2
11.2 8.8
11.7 9.3
12.2 9.8
12.8 10.3
13.3 10.9
13.8 11.4
14.3 11.9
14.9 12.4
15.4 12.9
15.9 13.5
16.4 14.0
16.9 14.5
17.4 15.0
17.9 15.5
18.4 16.0
18.9 16.5
19.5 17.0
20.0 17.5