Comtech EF Data CRS-180 Manual page 19

INSTALLATION
CRS-180 IF 1:1 Redundancy Switch
It is essential to ensure that the control and IF connections, both Rx and Tx, are made
correctly.
For example:
The Tx IF from Unit 'A' connects to the Tx IF port 'A' on the CRS-180 and Unit 'B'
to "B', and the same for the Rx IF connections. Failure to observe this requirement
will result in system malfunction.
When connecting the Control cable between the CRS-180 and the modems,
ensure that screw locks on the 'D' type connectors are securely fastened.
This will prevent the accidental un-mating of the cable, particularly when a
IMPORTANT
standby unit is being removed or replaced.
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MN/CRS180.IOM
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