Asi 75Ω Data Interface (Cdi-40) Kit Kt/12579 - Comtech EF Data CRS-180 Installation And Operation Manual

CRS-180 70/140 MHz IF 1:1 Redundancy Switch
Cables and Connections
4.6.2.1 ASI 75Ω Data Interface (CDI-40) Kit KT/12579
Figure 4‐35 shows an example of a CDM‐710 1:1 modem configuration with the CDI‐40 ASI Data
Interface installed in Slot 1, and Slot 2 empty. The figure depicts installation of one KT/12579 ASI
Interface Kit.
Be sure to connect to the lower BNC connectors labeled "1:1" on the CDI-40 ASI Data Interface. The
Rx port on each interface has been tuned to be 3 dB higher amplitude to compensate for the
presence of the RF/SA32KC-IN/OUT 2-way combiner.
CEFD Part No.
CA/BNC75OHM
RF/SA32KC-IN/OUT
KT/12579 ASI (CDI-40) 75Ω Interface Kit
Qty Description
4 Cable – IF BNC, 75Ω, 1'
2 Combiner – 2-way w/Bracket, 0.25-300 MHz, 75Ω BNC
Figure 4-35. CDM-710 ASI 1:1 Example
4–40
Revision 8
MN/CRS180.IOM