Product specifications
CRS-170A L-Band 1:1 Redundancy Switch Revision 3
Cables and Connections MN/CRS170A.IOM
Connection Notes:
1. Separate data interface kits are needed for the data interfaces. Refer to the CDM-700 Satellite
Modem Installation and Operation Manual for allowable data interface card combinations.
Sects. 4.4.2.1 through 4.4.2.3 identify the interface kits used for each interface type.
2. 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. See Appendix A.
CABLE DRAWINGS for detailed information about this optional cable assembly.
4.4.2 Data Interface Kits and Examples
In addition to the basic switch-to-modem cabling shown in the previous section, there are a number
of data interface configurations available for use with the CDM-700.
Figure 4-20. CDM-700 Block Diagram: User Æ Modem Æ Switch Æ Traffic
Figure 4-20 shows a block diagram typical for the kits shown in Sects. 4.4.2.1 through 4.4.2.3. The
kits featured in this section can be supplied with the CRS-170A for use with the CDM-700. With the
exception of the Gigabit Ethernet interface configuration shown in Sect. 4.4.2.4 – where customer-
supplied cables are utilized – one interface kit per 1:1 modem pair is required per interface card.
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