AT&T Trimline 205 - Manual (Page 6)

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Interference information:
Part 15 of FCC rules
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Some telephone equipment generates, uses, and can radiate radio-frequency
energy and, if not installed and used properly, may cause interference to radio
and television reception.
This product has been tested and found to meet the standards for a Class B
digital device, as specified in Part 15 of the FCC Rules. These specifications
are designed to provide reasonable protection against such interference in a
residential installation. However, there is no guarantee that interference will
not occur in a particular installation.
If this product causes interference to radio, VCR or television reception when
it is in use, which can be determined by turning the equipment on and off,
you might correct the interference with any one or all of these measures:
– Where it can be done safely, re-orient the receiving radio, VCR or television
antenna.
– To the extent possible, increase the separation between the radio, VCR,
television or other receiver with respect to the telephone equipment.
– If this telephone product runs on AC power, plug your product into an AC
outlet that’s not on the same circuit as one used by your radio, VCR or
television.
– Consult the dealer or an experienced radio/TV technician for help.
Modifications to this product, not expressly approved by the manufacturer,
could void the user’s authority to operate the equipment.
This Class B digital apparatus complies with Canadian ICES-003.
This product meets the applicable Industry Canada technical specifications.
The Ringer Equivalence Number is an indication of the maximum number of
devices allowed to be connected to a telephone interface. The termination
on an interface may consist of any combination of devices subject only to the
requirement that the sum of the RENs of all the devices does not exceed five.