HC5521 circuit equivalent, slic subscriber line interface circuit.
for these applications including loop reversal, ground key detection, zero crossing ring relay operation, long loop drive and a mutually independent setting of the receiv.
including loop reversal, ground key detection, zero crossing ring relay operation, long loop drive and a mutually indepe.
The HC5521 is a Monolithic Subscriber Line Interface Circuit (SLIC) for Analog Subscriber Line cards in Central Office and PABX switches. The HC5521 provides a comprehensive set of features for these applications including loop reversal, ground key de.
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