The MT8952BS is a subscriber line interface circuit (SLIC) manufactured by Mitel Networks Corporation (now Mitel). It is designed to provide the interface between a telephone line and a digital communication system, such as a PBX or VoIP gateway.

Applications

• PBX (Private Branch Exchange) systems.
• VoIP (Voice over Internet Protocol) gateways.
• Central office telephone exchanges.
• Analog telephone adapters (ATAs).
• Voice communication systems.

Features

• BORSCHT functions: Provides Battery feed, Overvoltage protection, Ringing, Supervision, Coding, Hybrid, and Test functions.
• Programmable parameters: Allows customization of line characteristics.
• Low power consumption: Minimizes power consumption in standby mode.
• Loop current limiting: Protects the device and the telephone line from excessive current.
• Digital control interface: Enables easy integration with digital communication systems.

Benefits

• Complete telephone line interface: Provides all the necessary functions for interfacing with a telephone line.
• Flexible system configuration: Programmable parameters allow for customization based on specific application requirements.
• Reduced power consumption: Low power consumption extends battery life in battery-powered applications.
• Enhanced system reliability: Loop current limiting protects the device and the telephone line from damage.
• Simplified system integration: Digital control interface simplifies integration with digital communication systems.

Additional Details

The MT8952BS integrates all the BORSCHT functions required for interfacing with a telephone line. It supports various ringing cadences and voltage levels. The programmable parameters allow for customization of line characteristics, such as loop current, ringing frequency, and hookswitch detection threshold. The low power consumption makes it suitable for battery-powered applications. The loop current limiting feature protects the device and the telephone line from excessive current, enhancing system reliability. The digital control interface simplifies integration with digital communication systems, allowing for easy control and monitoring of the line characteristics. The device provides a robust and reliable interface between a telephone line and a digital communication system.