Adtran Atlas 550 Quad ISDN BRI U Module 1200315L1
$99.00
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Adtran Atlas 550 Quad ISDN BRI U Module 1200315L1 Description: The Adtran 1200315L1 provides 4 ISDN U Interfaces for User Termination applications. The Quad ISDN BRI U module supports AT&T 5ESS, Nortel DMS-100, and National ISDN-1. The Adtran 1200315L1 is compatible with Atlas 550 gateways. Adtran 1200315L1 Features: Provides four BRI S/T interfaces Supports: AT&T 5ESS Nortel DMS-100 National ISDN-1 Can only be used in a user interface module slot.
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