com ISDN Exchange Power Controller (IEPC) PEB 2025 CMOS IC Features q Supplies power to up to four transmission lines q CCITT recommendations compatible for power feed at the “S” interface q Each line is individually powered and controlled q Wide field of applications: q q q q q q q – 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 malfun...

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