Avaya Definity TN775D EPN Maintenance Board (Refurbished)

Avaya Definity TN775D EPN Maintenance Board (Refurbished)Key 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

NEC NEAX 2000 PN-4COTB Central Office (CO) Trunk Card 4 Port (4A)

farther if connected through Central Office

Large message ringing lamp

24 Programmable Call Appearance

extensions

On-hook dialing Compatible with Centrex

4 port analog telephone station expansion card

The KX-TA123293 Caller ID Card works with the KX-TA1232 KSU

Comdial DX-80 Expansion cabinet (4x8) used to expand the system capacity beyond the KSU1 limits

Part #: 09010

Maximum 4 per system

Buit-in base stand