Description

The SLIC 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 feed 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

• Adjustable constant current feed

• Relay drive output

• Power VBat Denial

• Wide operating range

Applications

Line interface for:

• PABX

• Intercoms

• Key Telephone Systems

• Control Systems