DESCRIPTION

The QUAD LINE FEED CONTROLLER provides a power source for up to four U line interfaces. The power source to the device is a local battery or a centralized regulated power supply. Each powered line is individually controlled and monitored by the device interface.

A MPI or a simple parallel interface can be selected by a pin strap.

■ BATTERY VOLTAGE UP TO 120V

■ SUPPLIES POWER FOR UP TO FOUR DIGITAL TELEPHONE LINES

■ PROGRAMMABLE CURRENT LIMITING

■ LONGITUDINAL CURRENT CANCELLATION

■ ETSI ETR80 COMPLIANT

■ OUTPUT CURRENT UP TO 140 mA

■ STATUS CONDITION DETECTION FOR EACH LINE

■ AUTOMATIC THERMAL PROTECTION

■ AUTO POWER ON SEQUENCE

■ OUTPUT STAGE OPTIMIZED FOR MINIMAL OUTPUT OVERVOLTAGE PROTECTION

■ TWO EXTERNAL RELAY DRIVERS PER LINE

■ PARALLEL OR MPI CONTROL INTERFACE

■ HI-QUAD PACKAGE 64 PIN