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Adtran Atlas 550 Dual EIA-232 USSI Module 4200754L4


Compare at: $1,067.99

(You save $178.00)

SKU: 4200754L4
Condition: Refurbished
In Stock

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 Dual EIA-232 4200754L4 Universal Synchronous Serial Interface (USSI) Module combines with other Atlas components to provide solutions for a variety of wide area networking applications. The 4200754L4 provides a pair of EIA-232 serial ports and is only usable in Adtran Atlas 550 gateways.

Adtran 4200754L4 Features:

  • Provides two EIA-232 synchronous serial ports
  • Each module supports one interface type on both ports
  • Each port supports Nx56/64 Kbps operation up to 2.048 Mbps
  • Supports Frame Relay emulation and passthrough


  • (1) Adtran 4200754L4 Atlas 550 Dual EIA-232 Module
  • 1 Year Warranty
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