Avaya Definity TN775D EPN Maintenance Board (Refurbished) Cards

Avaya Definity TN775D EPN Maintenance Board (Refurbished) CardsKey Features: Used in maintenance and monitors power failure signals in an EPN cabinet in R7si r or later Monitors clock, monitors and controls power supplies and battery charger, monitors air flow and high temperature sensors Provides 2 serial links to communicate with Expansion Interface (EI) circuit packs and provides an RS 232 interface for connection to an administration terminal Contains a 3 position switch to control emergency power transfer

Dimensions: 19

It supports all Norstar and Business Series telephones

modems and fax machines

DMS Features:

The ACTU2 has an on board terminal strip that provides an interface to a normally open relay contact which can be programmed to control a night bell

Featrue Keys give you the same versatility you enjoy on your deskset

The Inter-tel Axxess SLA provides 2 ports for single-line devices

Add traditional telephone features like redial

control complex to perform call processing

Both wideband (G

Two-way hands-free voice communication

an interface to the MBUS