MH88510
Description
The Mitel MH88510/11 Subscriber Line Interface Circuit provides a complete interface between the telephone line and a speech switch requiring only single bidirectional switch per crosspoint. The functions provided by the MH88510/11 include bidirectional differential to single ended conversion in the speech path, line battery feed, ringing feed and loop and dial pulse detection.
Key Features
- High Gain version MH88511 Compatible with popular MH88500 Operates with a wide range of battery voltages Constant current battery feed Dry line compatible Overvoltage and short circuit protection Ringing Feed Off-hook detection and LED indicator drive Dial pulse detection Ring trip filter with auto ring trip Relay driver Transformerless 2-2 wire conversion Low power consumption Mute of incoming audio Few external components ISSUE 1 April 1995
