HC5517 Data Sheet July 1998 File Number 4147.2 3 REN Ringing SLIC For ISDN Modem/TA and WLL he HC5517 is a ringing SLIC designed to accommodate a wide variety of local loop applications.
The various applications include, basic POTS lines with answering machines and fax capabilities, ISDN networks, wireless local loop, and hybrid fiber coax (HFC) terminals.
The HC5517 provides a high degree of flexibility with open circuit tip to ring DC voltages, user defined ringing waveforms (sinusoidal to sq