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The Adtran 1200328L1 is compatible with Adtran 550 IADs
The Adtran Atlas 550 (4200305L7) is a PRI channel bank
Eight Digital Station Ports
24 Programmable Buttons
Toshiba DP5022-SDM Digital Phone Description:
Adtran Atlas 550 Dual Nx56/64 V.35 Module 1200311L1 Condition:Refurbished The Adtran 1200328L1 is compatibleAdtran Atlas 550 Dual Nx56 64 V. 35 Module 1200311L1 Description: The Adtran 1200311L1 is a two port interface module for the Adtran Atlas 550. The 1200311L1 provides dual Nx56 64 interfaces that support up to 2. 048 Mbps of bandwidth (T1 circuit). The card provides V. 35 interfaces and can be used in any of the Adtran Atlas 550's module slots. Adtran 1200311L1 Features: ATLAS 550 User Interface Module. Provides 2 V. 35 interfaces, each supporting Nx
