Product specifications

CDM-710 Broadcast Satellite Modem Revision 10
Summary of Specifications MN/CDM710.IOM
Table 8-3. Eb/No Performance for DVB-S QPSK Operations
BER
Eb/No (dB)
1/2 2/3 3/4 5/6 7/8
10
-6
3.7 4.4 5.0 5.6 5.9
10
-8
4.0 4.7 5.3 5.9 6.3
10
-11
4.5 5.1 5.8 6.4 6.9
Table 8-4. Eb/No Performance for DSNG 8-PSK Operations
BER
Eb/No (dB)
2/3 5/6 8/9
10
-4
6.0 7.5 8.5
10
-6
6.3 7.9 8.8
10
-8
6.6 8.3 9.1
10
-10
6.9 8.8 9.4
Table 8-5. Eb/No Performance for DSNG 16-QAM Operations
BER
Eb/No (dB)
3/4 7/8
10
-4
8.1 10.0
10
-6
8.3 10.2
10
-8
8.6 10.4
10
-10
8.9 10.6
8.7 Test Functions
Description Requirements
Data Test Pattern 2047 and 2^23-1 compatible with BERT on Tx data tributaries on applicable data
interfaces
CW Generates a narrow carrier at the programmed frequency at the programmed
power level. Used in testing.
SSB Carrier Provides desired sideband, suppressed carrier and suppressed sideband.
Loopback Modes
• Modulator to Demodulator
• I/O Loopback where applicable
• Digital Loopback where applicable
8.8 Monitor Functions
Description Requirements
Status Items – Available
Via Front Panel
Fault Log with fault type and time stamp
Receive Signal Level
Report within
±
5 dB, typical
Es/No
Report within
±
0.5 dB, typical
Eb/No
Report within
±
0.5 dB, typical
8–9