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OPTIONAL: Power Supply or PoE Module
The Inter-Tel Axxess 550
Rack Mountable
2x New Patch Cables P/N 1200287L6
Occupies two slots (slots 14/15
Adtran Atlas 550 Quad ISDN BRI U Module 1200315L1 Routers OPTIONAL: Power Supply or PoEAdtran 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.
