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Noise Cancellation Functionality
Converts T1/PRI to ISDN BRI U
Standard DB-25 EIA-232 connectors via supplied adapter cables
A full duplex speakerphone and a headset port provide handsfree communication options for the Allworx 9204
The Atlas 550 1200550L2 has built in support for up to six cards in its factory configuration
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
