Features
● Supplies power to up to four transmission lines
● CCITT recommendations compatible for power feed at the “S” interface
● Each line is individually powered and controlled
● Wide field of applications:
    – two- and four wire transmission lines
    – point-to-point configurations
    – point-to-multipoint configurations
● Maximum output current programmable up to 150 mA
● Programmable switch-off characteristic by overcurrent detection
● Automatic restart after removing overload conditions
● Status detectors for each line driver
● Microprocessor compatible interface
● Interrupt output for detection of any malfunction
● High voltage CMOS technology (60 V)