First Alert FA1220CV - Manual (Page 51)

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"FEDERAL COMMUNICATIONS COMMISSION (FCC) Part 68 NOTICE
This equipment complies with Part 68 of the FCC rules. On the front cover of this equipment is a label that contains, among other
information, the FCC registration number and ringer equivalence number (REN) for this equipment. If requested, this information
must be provided to the telephone company.
This equipment uses the following jacks:
An RJ31X is used to connect this equipment to the telephone network.
The REN is used to determine the quantity of devices which may be connected to the telephone line. Excessive RENs on the
telephone line may result in the devices not ringing in response to an incoming call. In most, but not all areas, the sum of the RENs
should not exceed five (5.0). To be certain of the number of devices that may be connected to the line, as determined by the total
RENs, contact the telephone company to determine the maximum REN for the calling area.
If this equipment causes harm to the telephone network, the telephone company will notify you in advance that temporary
discontinuance of service may be required. If advance notice is not practical, the telephone company will notify the customer as soon
as possible. Also, you will be advised of your right to file a complaint with the FCC if you believe necessary.
The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of
the equipment. If this happens, the telephone company will provide advance notice in order for you to make the necessary
modifications in order to maintain uninterrupted service.
If trouble is experienced with this equipment, please contact the manufacturer for repair and warranty information. If the trouble is
causing harm to the telephone network, the telephone company may request you remove the equipment from the network until the
problem is resolved.
There are no user serviceable components in this product, and all necessary repairs must be made by the manufacturer. Other repair
methods may invalidate the FCC registration on this product.
This equipment cannot be used on telephone company-provided coin service. Connection to Party Line Service is subject to state
tariffs.
This equipment is hearing-aid compatible.
When programming or making test calls to an emergency number, briefly explain to the dispatcher the reason for the call. Perform
such activities in the off-peak hours; such as early morning or late evening.
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