FCC INFORMATION

We have designed your CID to conform to federal regulations, and you can connect it to most telephone lines. However, each CID (and each device, such as a telephone or answering machine) that you connect to the telephone line draws power from the line. We refer to this power draw as the device's ringer equivalence number or REN. The REN is on the bottom of the Caller ID.

If you use more than one telephone or other device on the line, add up all of the RENs. If the total is more than five (three in rural areas), your telephone might not ring. If ringer operation is impaired, remove a device from the line.

Your CID complies with Part 68 of FCC Rules. You must, upon request, provide the FCC registration number and the REN to your telephone company. Both numbers are on the bottom of the CID.

Note: You must not connect your CID to:

coin-operated systems

party-line systems

Important Information

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Radio Shack CID 2903 owner manual FCC Information