Cabling To The Cdm-700; Modem-To-Switch Control And If Interface Connection - Comtech EF Data CRS-170A Installation And Operation Manual

L-band 1:1 redundancy switch accessory product for use only with comtech ef data cdm-625/a, cdm-840, cdm-750, cdm-760, cdm-570l, cdm-700, cdm-710, cdm-710g, cdm-600l (clm-9600l), and sdm-300l3 modems
Table of Contents

Advertisement

CRS-170A L-Band 1:1 Redundancy Switch
Cables and Connections
4.6

Cabling to the CDM-700

1. For information on configuring the CRS-170A L-Band 1:1 Redundancy Switch and
2. For information on the cables and cable assemblies specified in this section, see:
4.6.1

Modem-to-Switch Control and IF Interface Connection

Appendix A. CABLE DRAWINGS
Figure 4-32 shows the control and IF connections for the CDM-700 to the CRS-170A. All control
and IF components are provided in the KT/12551 CRS-170A L-Band 1:1 Redundancy Kit
(terrestrial data interface components/kits must be ordered separately). Note the following:
1. To provide user access to modem "Fault Summary Relay," Control 'Y' Cable CA/WR13011-4, sold
separately, is available for use in place of the CA/WR12135-1 cable.
2. Control Cable CA/WR12135-1 will mute the Offline modem's Tx IF. If this is not desired, then
an alternate cable, Control Cable CA-0000187, sold separately, is available for use in place of
the CA/WR12135-1 cable.
CDM-700 Satellite Modems for 1:1 operation, see:
Chapter 3. MODEM AND SWITCH CONFIGURATION
CDM-700 Satellite Modem Installation and Operation Manual
(CEFD P/N MN/CDM700.IOM)
Appendix A. CABLE DRAWINGS
4–37
Revision 10
MN/CRS170A.IOM

Advertisement

Table of Contents
loading

Table of Contents