FEATURES

• Timeslot interchange between local and expansion buses

• Architecture optimized for call processing environments: SCbus™, MVIP® and ST-BUS Compatible

• Full switching between any of:

– 128 local bus input SI timeslots

– 128 local bus output SO timeslots

– up to 2048 expansion bus SD timeslots

• Multiple local bus speeds and formats:

– 2.048, 4.096 or 8.192 Mb/s

– PEB®, STbus or GCI

• Supports both Intel® and Motorola® processor interfaces

• Serial or parallel access to expansion bus

• Enhanced input hysteresis threshold

• Internal phased lock loop

• Fast response and support for SCbus clock fallback

• Flexible local frame sync interface

• Supports hyper channel capability (bundling)

• SCbus message bus interface and local loopback control

• High availability and self-diagnostic features

• 5V CMOS technology

• 100-pin TQFP package

APPLICATIONS

• PC-based switching

• Small to medium size digital switch matrices

• SCbus/MVIP interface functions

• Digital centralized voice processing system

• Voice/Data multiplexer and exchange

• Computer telephony interface