Adtran Atlas 550 Quad ISDN BRI S/T Module 1200764L1 Accessories Will work in either AC

Will work in either AC or DC versions of the MX2800

The Adtran T3SU 300 is a high bandwidth CSU/DSU that supports an unchannelized T3

The 1200342L1 is an Atlas 550 User Interface Module

Auto-Rate and Auto-Duplex

Alti-IP710 Features:

Adtran Atlas 550 Quad ISDN BRI S/T Module 1200764L1 Accessories Will work in either ACAdtran Atlas 550 Quad ISDN BRI S T Module 1200764L1 Description: The Adtran 1200764L1 provides 4 ISDN S T Interfaces for User Termination applications. The Quad ISDN BRI S T module emulates Net 3 EuroISDN (with SPIDs and SPIDless), Lucent 5E, DMS 100, and National ISDN protocols. The Adtran 1200764L1 is compatible with Adtran Atlas 550 gateways. Adtran 1200764L1 Features: Provides four BRI S T interfaces Emulates: Net 3 EuroISDN Lucent 5E DMS 100