AT&T 2820 - Manual (Page 42)

EN
b. An applicable certification jack Universal Service Order Codes
(USOC) for the equipment is provided (i.e., RJ11C) in the packaging
with each piece of approved terminal equipment. The mounting of
the approval unit in the final assembly must be made so that the
approved unit is isolated from exposure to any hazardous voltages
within the assembly. Adequate separation and restraint of cable and
cords have provided.
c. A plug and jack used to connect this equipment to the premises
wiring and telephone network must comply with the applicable FCC
Part 68 rules and requirements adopted by the ACTA. A compliant
telephone cord with modular plug is provided with this product. It is
designed to be connected to a compatible modular jack that is also
compliant. See installation instructions for details.
d. The REN (Ring Equivalence Number) is used to determine
the number of devices that may be connected to a telephone line.
Excessive RENs on a telephone line may result in the devices not
ringing in response to an incoming call. In most but not all areas,
the sum of RENs should not exceed five (5.0). To be certain of the
number of devices that may be connected to a line, as determined
by the total RENs, contact AT&T Customer Service. [For products
approved after July 23, 2001, the REN for this product is part of the
product identifier that has the format US:KT5W400BID2820. The
digits represented by ## are the REN without a decimal point (e.g.,
03 is a REN of 0.3). For earlier products, the REN is separately
shown on the label].
e. If this equipment causes harm to the telephone network, the
telephone company shall make reasonable efforts to notify you in
advance that temporary discontinuance of service may be required.
However, if advance notice is not practical, the telephone company
will notify the customer as soon as possible. In addition, you will be
advised of your right to file a complaint with the FCC if you believe it
is necessary.
f. 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 necessary modifications to
maintain uninterrupted service.
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