Product specifications

CDM-710 Broadcast Satellite Modem Revision 11
Introduction MN/CDM710.IOM
1–19
Table 1-4. 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 1-5. 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
1.4.4 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
1.4.5 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
1.4.6 Remote Port Operation
Description Requirements
Comtech EF Data Remote Port See Appendix C. REMOTE CONTROL
Ethernet Telnet
Ethernet transport of standard Remote Control commands. See
Chapter 6. ETHERNET MANAGEMENT.
Ethernet SNMP
See Chapter 6. ETHERNET MANAGEMENT.
Ethernet HTTP
Support all control and monitor parameters – See Chapter 6.
ETHERNET MANAGEMENT