Comtech EF Data Vipersat CDD-562L, Installation And Operation Manual

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CDD-562L/564 Demodulator with IP Module Revision 2
Introduction MN/CDD564L.IOM
1–12
1.4 Summary of Specifications
1.4.1 Demodulator
1.4.1.1 70/140 MHz (CDD-564 only)
System Specification
Frequency Range
50 to 90 or 100 to 180 MHz, 100 Hz resolution
Symbol Rate Range 16 ksps to 3.0 Msps
Data Rate Range Each demodulator independently in 1 bps increments
Rate 3/4 QPSK TPC 16 kbps to 4.5 Mbps
Rate 7/8 QPSK TPC 16 kbps to 5.25 Mbps
Rate 0.95 QPSK TPC 16 kbps to 5.666Mbps
Rate 3/4 8-PSK TPC 16 kbps to 6.75 Mbps
Rate 7/8 8-PSK TPC 16 kbps to 8.5 Mbps
Rate 0.95 8-PSK TPC 16 kbps to 7.875 Mbps
Rate 3/4 16-QAM TPC 16 kbps to 9.0 Mbps
Rate 7/8 16-QAM TPC 16 kbps to 9.98 Mbps
Descrambling Comtech to IESS-315
FEC Turbo Product
Rate 3/4, 0.95 QPSK
Rate 3/4, 0.95 8-PSK
Rate 3/4, 16-QAM
Rate 7/8, QPSK, 8-PSK, 16-QAM
Inputs (4X) Type ‘BNC’ female
Input Impedance
50 or 75
Ω
user selection
Return Loss 17 dB min
Traffic and Management Interface 10/100 BaseT Ethernet RJ-45
Command Line Interface (CLI) EIA-232, RJ-11
Factory Test Connector DB-9 male
Frequency Reference
Internal
±
0.06 ppm, 32 to 122
°
F (0 to 50
°
C)
External None
Demodulator
Input Power Range
-30 to –60 dBm
Max Composite Level +35 dBc, up to –5 dBm
Acquisition Range ±
1 to
±
32 kHz (1 kHz steps) < 625 ksps
Monitor Functions Eb/No Frequency Offset, BER
LNB current and voltage
Rx signal level