ESI 482 2nd Gen Expansion Card IVX S-Class 2 56S (5000-0294) Condition:Refurbished Adtran Atlas 550 Video Switch

Adtran Atlas 550 Video Switch 4200305L2 Description:

Cisco 7961G-GE Features:

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The 3Com NBX 3105 add on console has fifty programmable buttons reserved for the lines in your system

ESI 482 2nd Gen Expansion Card IVX S-Class 2 56S (5000-0294) Condition:Refurbished Adtran Atlas 550 Video SwitchESI IVX 56S S Class Gen II 4x8x2 Description: The ESI IVX 56S 2nd Gen 4x8x2 is an expansion card designed for the IVX S Class 56S, ESU 50, ESI 50L, and ESI C Plus. This ESI module features four analog trunks, eight digital extensions, and two analog ports for devices such as fax machines, analog phones and modems. ESI IVX 56S Features: 4 Analog Tunks 8 Digital Extensions 2 Analog Ports Compatibility: IVX S Class 56S IVX S Class Gen 2 ESI 50 ESI 50L