Quality Careers Investors Sales Contacts Contact Us Search by part # or keyword Parametric Search MyMicrosemi Login Products Applications Home Design Support Voice Line Circuits Ordering Company VE792 - Next Generation Carrier Chipset LE79272 LE79272 Products Next Generation Carrier Chipset (NGCC) Dual Subscriber Line Interface Circuit (SLIC) Voice Line Circuits miSLIC Series - High Overview Docs & Specs Applications Packaging Performance Line Circuits ZL880 - Enhanced Dual Channel The Le79272 Next Generation Dual Subscriber Line Interface Circuit (SLIC) device, in combination with an Le79238 SLAC device, implements a DSL friendly, high density universal telephone line interface. This enables the design of a low cost, high performance, fully software programmable line interface with worldwide applicability. All AC, DC, and signaling parameters are programmable. Additionally, the NGCC has integrated self-test and line-test capabilities to resolve faults to the line or line circuit. Wideband FXS Line Interfaces VE880 - FXS and FXO Line Interfaces VE890 - Integrated FXS/FXO Line Interface Detailed Block Diagram (One Channel) VE950 - General Purpose Ringing SLIC VE792 - Next Generation Carrier Chipset LE79124 LE79128 LE79234 LE79238 LE79271 LE79272 ZL79258 LineCare Test Software VE790 - High Performance Programmable Chipset VE750 - Line Card Access Features & Benefits Switches Designed to minimize POTS transients, optimizing CRC performance for triple play applications VE580 - General Purpose SLICs Best-in-class GR-844 equivalent testing and Codec Fully validated test primitives and host routines VE770 - SLIC/Codecs with Guaranteed performance parameters (DTMF) Integrated Fixed Companding Optimized for best-in-class density Codecs Monitor of two-wire interface voltages and currents supports: Multi-Featured Programmable Voice transmission Phone Codecs Internal ringing generation Programmable DC feed characteristic Current limited and independent of battery Selectable off-hook and ground-key thresholds Subscriber line diagnostics Leakage and loop resistance Line capacitance and bell capacitance Foreign voltage sensing Power cross and fault detection Supports 85 Vrms internal ringing Supports balanced and unbalanced ringing 3.3 V and battery supplies Supports two negative and one positive battery Dual battery operation for system power saving Automatic battery switching Intelligent thermal management Compatible with inexpensive protection networks Metering capable 12 kHz and 16 kHz Smooth polarity reversal Tip-open mode supports ground start signaling Integrated test load switch 5 REN with DC offset Features with Le79124 VCP 72 channel call aggregation GR-844 equivalent line testing Products Applications Design Support Company Careers Investors Survey Privacy Policy Terms & Conditions Copyright (c) 2015 Microsemi Corporation. All rights reserved. The Microsemi logo is a registered trademark of Microsemi Corporation. Product Disclaimer