Adtran ATLAS 890 IAD 4200321L1 4200321L2 4200321L3 4200321L4

Functions as a multiT1 or T3 IAD, 3/1/0 DACS, ISDN switch, IP router, and Frame Relay concentrator/switch

Supports up to 64 T1/PTI ports

Maximum backplane bandwidth for TDM applications is 30 T1s through the chassis

Switchboard supports circuit switching applications such as intelligent call routing , overbooking and leastcost routing based on phone numbers in dial plan

Supports switched PRI delivered over T3

Supports E1, PRA, and BRI S/T interfaces for global applications

Net3 and Net5 EuroISDN protocols supported

Fully redundant AC system provides 13 expansion slots

Fully redundant DC system provides 15 expansion slots

System controller includes 10/100BaseT Ethernet interface for SNMP/Telnet management and IP routing

Includes Frame Relay, PPP, and IP routing

Includes IP router software with support for PPP and Frame Relay Layer 2 protocols

Accepts all ATLAS 800 modules

Optional redundant system controller and power supply can provide full system redundancy

ATLAS 890 AC NonRedundant System	4200321L1
ATLAS 890 AC Redundant System	4200321L2
ATLAS 890 DC NonRedundant System	4200321L3
ATLAS 890 DC Redundant System	4200321L4