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The ringer equivalence (REN) is used to determine how many devices can be connected to your
telephone line. In most areas, the sum of the RENs of all devices on any one line should not exceed
five (5). If too many devices are attached, they may not ring properly.
Modem Service Requirements
If the modem malfunctions, all repairs should be performed by NEC Technologies or an NEC
Authorized Service Center. It is the responsibility of users requiring service to report the need for
service to NEC Technologies or to an NEC Authorized Service Center.
Phone: 1-800-632-4525
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