Adtran Atlas 550 Octal E&M Module 1200313L1 Switches The 1200288L1 includes a back-up

The 1200288L1 includes a back-up dial modem for dialed out cry in emergencies

or for companies that want a multitude of connections to their network for redundancy

PRI-to-BRI

Provides 28 RJ-48 connections for DSX-1 deployment

2 FXS Ports

Adtran Atlas 550 Octal E&M Module 1200313L1 Switches The 1200288L1 includes a back-upAdtran Atlas 550 Octal E&M Module 1200313L1 Description: The 1200313L1 is an eight port E&M moduel for Atlas 550 integrated access devices. The Octal E&M module provides eight 2 wire or 4 wire applications. It supports types 1, 2 ,3, 4, 5, or Transmit Only (TO) signalling. Adtran 1200313L1 Features: Provides 8 E&M or TO interfaces for 2 wire or 4 wire applications. Supports Type I,II,III,IV, and V signaling. Can be used in any user interface module