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Comtech EF Data CDM-740 User Manual

Page 144

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CDM-740 Advanced Satellite Modem

Revision 0

1:1 Redundancy

MN-CDM740

C–4

Figure C-3 depicts the IF and Control cabling schematics for a standard 1:1 redundancy
configuration.

Note: The Gigabit Ethernet Data Interface cabling is not shown in this figure for clarity.

Figure C-4 depicts the Gigabit Ethernet data interface cabling between the primary and backup
modems and the user’s data interface.

Note: IF and Control cabling is omitted from this figure for clarity.

Refer to Chapter 4. CABLES AND CONNECTIONS and Appendix A. CABLE DRAWINGS
in the CRS-175L L-Band 1:1 Redundancy Switch Installation and Operation Manual (Comtech
EF Data Document Number MN-CRS175
) for complete cabling information.

C.3.1.1

User Æ CRS-175L Æ CDM-740 IF and Control Cabling

Figure C-3. User Æ CRS-175L Æ CDM-740 IF and Control Cabling Example