Avaya Definity 9823A SOC Adapter MultiMode Fiber Optic TransceiverSupports multi-mode fiber between PPN and EPN to a distance of 4,900 feet (0.93 miles) - Two transceivers per installation, four if duplication is in effect - Supports 62.5 or 50 micron multi-mode fiber connection - For use in connection of Extended Port Network (EPN)..
Supports 24 analog telephones/devices
24-Port analog supported on Definity Release 6.3 or higher
Supports Caller ID on Definity R8.2 or higher
Provides multinational support identical to the TN2215; supports caller ID devices in the U.S. and most other countries..
The TN748D Tone Detector 63123D provides four touch-tone receivers and two general purpose ton receivers to detect call progress tones, modem answer-back times, transmission test tones, and noise. Provides dial tone detection required for the Automatic Route Selection (ARS) feature, off-premises (out-of-building) keyboard dialing, and off-premises abbreviated dialing. Replaced by TN2182B Tone-Clock, Tone Detector, and Call Classifier...
8 asynchronous Digital Communications Protocol (DCP) ports for use with 4-wire terminals such as the 7400 and 8400 series digital voice terminals, attendant consoles, or data modules.Supports voice terminals in the same building as your Definity System and System 75 or out of building.Supports 3400 feet for phantom-powered sets and 5000 feet for locally powered 7400 and 8400 sets...