The LE88111BLC is a single-channel SLIC (Subscriber Line Interface Circuit) device manufactured by Microsemi Corporation. It provides the necessary interface functions between a communication system and a subscriber line. This includes battery feed, ring generation, supervision, and hybrid functions.

Applications

• VoIP (Voice over Internet Protocol) Gateways: Provides the analog telephone interface for VoIP gateways.
• PBX (Private Branch Exchange) Systems: Used in PBX systems to connect analog phones to the system.
• Central Office (CO) Switches: Provides the interface between the switch and the subscriber line.
• Wireless Local Loop (WLL) Systems: Used in WLL systems to provide analog phone service.
• Fiber to the Home (FTTH) Systems: Integrates into FTTH systems for providing traditional phone services.
• Customer Premises Equipment (CPE): Provides connectivity for analog phones in CPE devices.

Features

• Single-Channel SLIC: Provides a single analog phone line interface.
• Battery Feed: Supplies DC power to the subscriber line.
• Ring Generation: Generates the ringing signal for the phone.
• Supervision: Monitors the subscriber line for off-hook and on-hook conditions.
• Hybrid Function: Provides two-wire to four-wire conversion.
• Low Power Consumption: Designed for low power operation.
• Programmable Parameters: Allows for customization of line characteristics.

Benefits

• Complete Analog Interface: Provides all the necessary functions for interfacing with an analog phone line.
• Simplified Design: Reduces the complexity of designing a phone line interface.
• Improved Performance: Offers high-quality voice transmission and reception.
• Reduced Power Consumption: Low power design helps to conserve energy.
• Flexible Configuration: Programmable parameters allow for customization to meet specific requirements.

Additional Details

The LE88111BLC typically operates from a -48V battery supply. It provides various protection features such as overvoltage protection and overcurrent protection. The device is available in a compact package. It supports various signaling protocols and standards used in telephony. The specific package type and operating temperature range can vary depending on the specific version of the LE88111BLC. It is a crucial component in systems that need to interface with traditional analog telephone lines.