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1.1
Overview
The CDD-880 Multi Receiver Router (Figure 1-1) supports from two through 12 independent
demodulators (expandable, by pairs, on a single card) in a single 1RU chassis. The CDD-880 is
intended to serve as a hub expansion utility device for Comtech EF Data's Advanced VSAT
Series product offering.
CDD-880 features include:
•
2, 4, 6, 8, 10, or 12 fast acquisition demodulators/decoders, each supporting operation up
to 4.5 Msps
•
Easy field upgradability, if shipped with less than 12 demodulators/decoders
•
Programmable from 950 to 2150 MHz (L-Band)
•
Comtech EF Data VersaFEC Forward Error Correction
•
(FUTURE)
•
(FUTURE)
•
LNB Support – 10 MHz reference and LNB power
•
As an IP-only packet processing device, it requires no direct implementation changes in
support of its multi-point RAN Optimization functionality
•
With 12 demods all able to receive up to 15 Mb of compressed packets (30 Mb
uncompressed), the LAN interface can receive as much as 360 Mb of data
Chapter 1. INTRODUCTION
Figure 1-1. CDD-880 L-Band Multi Receiver Router
GZip decompression
1:1 Redundancy capability
1–1
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