2 cdm-625/a with cnc diversity operation – Comtech EF Data CDS-100 User Manual
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CDS-100 Diversity Switch
MN-CDS100
Introduction
Revision 1
1–8
1.3.2.2 CDM-625/A with CnC Diversity Operation
Figure 1-5. CDM-625/A with CnC Diversity Operation
For CDM-625 or CDM-625A with Carrier-In-Carrier operation, diversity operation is identical as
described previously, with one additional requirement: You must use the modems’ Pre-Mapped
Symbol Interface (PMSI) in order to allow the offline modem to demodulate the composite
signal.
See the CDM-625A Advanced Satellite Modem Installation and Operation Manual (CEFD P/N
MN-CDM625A) or CDM-625 Advanced Satellite Modem Installation and Operation Manual
(CEFD P/N MN-CDM625) for a description of the PMSI system and the required tables.
PMSI is protected by U.S. Patent No. 8,022,781
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