Adtran Atlas 550 T1 Base Unit DC Chassis 1200550L2 Accessories each programmable button can be

each programmable button can be set up as additional features instead

The ShoreTel SG-120 is a voice switch designed to run on ShoreTel's UC platform

The 1200314L2 is a dual port T1 card for the Adtran Atlas 550

The Adtran 1200345L1 is a power supply for the Atlas 890 gateway

Front panel LEDs are built into the Adtran 838T to provide status indication of the network termination unit at a glance

Adtran Atlas 550 T1 Base Unit DC Chassis 1200550L2 Accessories each programmable button can beAdtran Atlas 550 DC Base Unit 1200550L2 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 1200550L2 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