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Noise Cancellation Functionality
Standard DB-25 EIA-232 connectors via supplied adapter cables
The modules can only be used in point to point applications
12804208L1 Tracer Frequency A
Adtran Atlas 550 Quad T1/PRI Module 1200755L1 Phone Systems Noise Cancellation FunctionalityAdtran Atlas 550 Quad T1 PRI Module 1200755L1 Description: The Adtran 1200755L1 provides four T1 or PRI interfaces to an Adtran Atlas 550. Each port can be configured to work as a T1 or PRI. The 1200755L1 offers support for Drop Insert and 1 0 digital access cross connect systems (DACS) applications. The quad T1 PRI module supports PRI switching and frame relay emulation. Adtran 1200755L1 Features: Can be used in any user interface module slot
