Monitor:) Rx_Stats - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710 Broadcast Satellite Modem
Front Panel Operation
5.3.2.2

(Monitor:) Rx_Stats

For DVB-S2 only:
EsNo=14.0
EbNo=12.8
EbNo=12.8
ΔF=-000.2k RSL=-16
ΔF=-000.2k RSL=-16
Link_Margin=+10.4
When the demodulator is locked, this menu reports Eb/No, PER (packet error rate), ΔF (frequency
offset of incoming carrier) and RSL (receive signal level).
For DVB-S and DVB-DSNG only – in this mode, BER monitoring is not available:
EsNo=16.0
EbNo=15.1
EbNo=15.1
ΔF=-000.2k RSL=-16
ΔF=-000.4k RSL=-16
Link_Margin=+10.1
Link Margin corresponds to:
Standard
DVB-S2
DVB-S or
DVB-DSNG
DVB-S2
Modulation
QPSK
8QPSK
16APSK
32APSK
PER=0.0E+00
BER=N/A
BER=N/A
PER=N/A
BER=0.0E+00
BER=0.0E+00
Link Margin
= Es/No (measured) – Es/No (threshold)
= Eb/No (measured) – Eb/No (threshold)
Usable Es/No Range (Typical)
Es/No Range (dB) Modulation
0.0 to 14.0
4.5 to 18.5
8.0 to 22.0
11.5 to 25.00
Threshold
Table 8-2
Table 8-4 or 8-5, BER = 10
DVB-S and DVB-DSNG
Es/No Range (dB)
QPSK 2.0 to 16.0
8 PSK 8.5 to 20.0
16QAM 11.0 to 21.0
5–42
Revision 11
MN/CDM710.IOM
10