4
READ THIS BEFORE
INSTALLATION
We have designed your TAD to conform
to federal regulations, and you can con-
nect it to most telephone lines. However,
each device you connect to the phone
line draws power from it. This power
draw is the device’s Ringer Equivalence
Number, or REN. The REN is shown on
the bottom of the TAD.
If you use more than one phone or other
device on the line, add up all the RENs.
If the total is more than five (or three in
rural areas), your phone(s) might not
ring and your TAD might not answer. If
ringer operation is impaired, remove one
of the devices from the line.
FCC STATEMENT
Your TAD 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 shown on the bottom of
the TAD.
Note: You must not connect the TAD to:
• Coin-operated systems
• Party-line systems
• Most electronic key telephone sys-
tems
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