SC4000

• 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

• 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