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Adtran Atlas 550 4 T1 HSSI/V.35 Inverse Multiplexer 4200305L3


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SKU: 4200305L3
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 inverse multiplexer supports four T1 (DS1) circuits and a HSSI/V.35 serial interface. The Adtran Atlas 550 support breakout of the HSSI interface into the four T1 circuits. The Adtran Atlas 550 can be rack mounted into any standard 19" telco rack.

Adtran 4200305L3 Inverse Multiplexer Features:

  • Provides 4 T1 Circuits
  • Provides a HSSI / V.35 Serial Interface
  • Rack Mountable
  • Console Managed


  • (1) Adtran 4200305L3 Atlas 550 Inverse Multiplexer Bundle
  • Adtran 550 Chassis 1200305L1
  • NXT1 HSSI/V.35 Module 1200346L2
  • T1/PRI Network Interface Module 1200307L1
  • Rack Ears
  • Console Cable
  • Power Cord
  • 1 Year Warranty
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