Adtran 4200321L1 ATLAS 890 NON-REDUNDANT SYSTEM, AC

Adtran 4200321l1 Atlas 890 Non-redundant System, Ac The ATLAS 890 functions as a multi-T1 or T3 IAD, 3/1/0 DACS, ISDN switch, IP router, and Frame Relay concentrator/switch. It supports up to (64) T1/PTI ports, and has a maximum backplane bandwidth for TDM applications of 30 T1s through the chassis. Its switchboard supports circuit switching applications such as intelligent call routing , overbooking and least-cost routing based on phone numbers in dial plan. This unit supports switched PRI delivered over T3, and it supports E1, PRA, and BRI S/T 607565008702