ESI E1 612 Port Expansion Card Modules The BPTU2A plugs into the

The BPTU2A plugs into the Toshiba CIX 670 phone system and provides a PRI ISDN interface

The Inter-Tel WND-2405-A is a 24 volt power supply designed for Inter-Tel phones

As Allworx's most powerful system with two T1/PRI interfaces

It interfaces to the tributary modules and provides cross-connect functionality for the payloads of the tributary modules

ESI E1 612 Port Expansion Card Modules The BPTU2A plugs into theESI E1 612 Port Expansion Card Description: The ESI E1 612 is a first generation port expansion card for IVX 128 phone systems. The ESI 612 adds 6 analog trunks (FXO) and 12 digital extensions (FXS) to a system. The E1 612 is compatible with ESI E Class, X Class, and IVX128 phone systems. The ribbon cable to connect the ESI 612 port card to the phone system is included. ESI E1 612 Features: Adds 6 CO lines to systems Adds 12 digital extensions to