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266 / Emergency telephone
Tips -
Norstar telephones and Business Series Terminals
cannot be used as off-premise telephones (OPX). For OPX
applications, use the Norstar Analog Terminal Adapter
(ATA2) and a single-line telephone. Refer to the ATA
Installation Card for details.
Modular ICS 6.0 Installer Guide
P0992638 03
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Troubleshooting
