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The following documents are referenced in this manual, and provide supple-
mentary information for the reader:
• CDD-564L L-Band Quad Demodulator with IP Module Installation and
• CDM-570/570L Modem Installation and Operation Manual (Part Number
• Vipersat CDM-570/570L User Guide (Part Number MN/22125)
• Vipersat Management System User Guide (Part Number MN/22156)
• Vload Utility User Guide (Part Number MN/22117)
Product Description
Introduction
The Vipersat CDD-56X Satellite Network Demodulator Router is ideal for
operators wishing to supply mesh connectivity between sites, while keeping
network infrastructure costs down. The CDD-564 and CDD-564L provide four
separate demodulators (the CDD-562L provides two) and an integrated router in
a compact, cost-effective 1RU package.
The CDD-56X simplifies Hub site installations by reducing rack space and cost
with 2/4 independent demodulators in a single chassis. A bank of CDD-56X
demodulators is ideal for a star network consisting of a single outbound carrier
at the Hub with multiple carriers returned from the remote sites.
The CDD-56X can be used at Hub sites where multiple burst controllers are
needed. Demodulator roles are defined via software, configurable either as a
burst controller in STDMA (Selective Time Division Multiple Access) mode, or
as dedicated SCPC (Single Channel per Carrier) inbounds from remote termi-
nals.
At remote sites, the CDD-56X supports mesh connectivity between multiple
sites. Operating in mesh topology with links directly between sites eliminates
double-hops through the Hub, conserving bandwidth and reducing latency.
Demodulator Features
• 50–90 MHz or 100–180 MHz IF Range, each Demodulator (CDD-564)
• QPSK, 8-PSK, and 16-QAM Operation
C h ap t e r
G e n e r a l
1 -
Operation Manual (Part Number MN/CDD564L.IOM)
MN/CDM570L.IOM)
950–1950 MHz IF Range, each Demodulator (CDD-562L/564L)
P r o d u c t D e s c r i p t io n
1-3
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