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Adtran Atlas 550 AC Base Unit Chassis 1200305L2


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SKU: 1200305L2
Condition: Refurbished

A-Stock: Great cosmetic condition.

B-Stock: May contain cosmetic blemishes such as surface scratches, worn or yellowed buttons, etc...

These phones have been tested and are fully functional. All phones are refurbished and come individually boxed with new curly cords, new designations, and a one year warranty!


The Adtran Atlas 550 AC Base Unit Chassis 1200305L2 is a modular business gateway and integrated access device. The Atlas 550 chassis has 6 slots in the rear that can hold a variety of modules including T1 modules, FXO trunks, FXS interfaces, ISDN-BRI modules, and includes a 10/100 Ethernet interface. The Adtran 1200305L2 can support ISDN switching, 1/0 DACS, frame relay switching, and videoconferencing. The Adtran 1200305L2 can act as a video switch for networking videoconferencing systems together, including encrypted video. The Adtran Atlas 550 can support multiple conversions such as PRI-to-T1, PRI-to-BRI, and PRI-to-Analog with the appropriate modules installed.

Adtran 1200305L2 Features:

  • Supports 6 Module Bay Slots
  • Supports Two Network Interface Modules (T1/PRI) and Four User Slots
  • 10/100 Ethernet LAN Interface Built-in
  • Supports up to 18 T1/PRI Ports


  • (1) Adtran 1200305L2 Atlas 550 AC Base Unit Chassis
  • T1 Module
  • Rack Mounts
  • Console Cable
  • Power Cord
  • 1 Year Warranty
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