GE 2-9268 Mode D'emploi page 12

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REN N
UMBER
On the bottom of this equipment is a label indicating, among other information,
the FCC Registration number and Ringer Equivalence Number (REN) for the
equipment. You must, upon request, provide this information to your telephone
company.
The REN is useful in determining the number of devices you may connect to
your telephone line and still have all of these devices ring when your telephone
number is called. In most (but not all) areas, the sum of the RENs of all devices
connected to one line should not exceed 5. To be certain of the number of
devices you may connect to your line as determined by the REN, you should
contact your local telephone company.
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