Description
The Mitel MH88610 Subscriber Line Interface Circuit provides a complete interface between a switching system and a subscriber loop. Functions provided include battery feed and ringing feed to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant current, loop length and dial pulse detection. The device is fabricated using thick film hybrid technology in a 20-pin single in-line package.

Features
• Transformerless 2-wire to 4-wire conversion
• Battery and ringing feed to line
• Off-hook and dial pulse detection
• Ring ground over-current protection
• Loop length detection
• Constant current feed

Applications
Line interface for:
• PABX
• Intercoms
• Key Telephone Systems
• Control Systems