Avaya Definity TN772 Duplication Interface (Refurbished)

Avaya Definity TN772 Duplication Interface (Refurbished)Key Features: Selects the Active Switch Processing Element (SPE) in high reliability and critical reliability systems Controls the memory shadowing function with the duplication option, terminates the environmental sensors, and controls the integrated battery supply and charging circuits A second TN772 Circuit Pack resides in the duplicated control carrier cabinet and is connected via a cable to the TN772 in the main control carrier cabinet R6 and

Mitel Superconsole 1000 Backlit

Mitel 9109-020-000 SX-200 Digital COV Line Card 6 Circuit

The double footstand is required when you add two Key Expansion Modules to your M2616 or M5316 phone

• Simple 2-Button Interface for basic call handling• Compact

This 8-port system has 64 mailboxes and 3 hours of message storage

Built-in Two-Way Speakerphone

or a large-scale IP Centrex deployment

Mnfr Part #: 8434DX

Part #: 700339815

Mnfr Part #: BRCSIA

24 flexible feature line keys

Conference Button