Adtran Atlas 550 AC Base Unit 1200305L2 with T1 Handsets Standard DB-25 EIA-232 connectors via

Standard DB-25 EIA-232 connectors via supplied adapter cables

The 1200870E1 has a built in CSU / DSU for enabling communication from you local network to your host's digital line

port mirroring

The multiplexer card on the 4205290L3 includes a V

The serial interface module is a 6 pin connection that is software selectable as either a V

Adtran Atlas 550 AC Base Unit 1200305L2 with T1 Handsets Standard DB-25 EIA-232 connectors viaAdtran Atlas 550 AC Base Unit 1200305L2 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 1200305L2 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