Adtran Atlas 550 AC Base Unit Chassis 1200305L1 with T1 Phone Systems Adtran 1200221L4 Features:

Adtran 1200221L4 Features:

three hot swappable option slots

The Nortel VP8 (NT6P08AA) features eight ports and makes it possible for up to eight users to access their voicemails

and RIP V1/V2

Adtran 1200324L1 Features:

Adtran Atlas 550 AC Base Unit Chassis 1200305L1 with T1 Phone Systems Adtran 1200221L4 Features:Adtran Atlas 550 AC Base Unit 1200305L1 with T1 Description: The Adtran Atlas 550 is a modular router designed to handle multiple sources of traffic. Its modular design allows users to customize the Atlas 550 for whatever purposes they may need. The Atlas 550 1200305L1 has built in support for up to six cards in its factory configuration, and a single T1 module is included with the chassis. The Atlas 550 is ideal for networks that combine voice and