Multitech CallFinder CF220-DID Cabling Manual page 10

If it is a 192.168.2.x subnet, it may clash with the
CallFinder because the CallFinder's default IP address
is 192.168.2.1. To remedy such a situation, connect
directly from the Admin PC to the CallFinder using an
RJ45 cable until the CallFinder's IP address has been
configured. Thereafter, connect the CallFinder into the
network.
Connect CallFinder to DID Lines
Plug one end of the phone cable into the CallFinder's Channel 1
DID jack and the other end into an analog DID trunk line jack.
The DID Line cable is included with your CallFinder.
Caution: Never plug the DID connector into a standard POTS
Line. This may damage the CallFinder or the central
office equipment. Use only an analog DID Line.
Repeat for the CallFinder's Channel 2 DID port.
10
CallFinder Cabling Guide
MultiTech Systems, Inc.