Station protector module for network interface device

Subband echo cancellation method for multichannel audio...

Subscriber circuit

Subscriber circuit

Subscriber circuit for public telephone set

Subscriber circuit link interface for an automatic telephone exc

Subscriber interface circuit

Subscriber line card arrangement

Subscriber line circuit having an improved loop current supply c

Subscriber line control device

Subscriber line driver and termination

Subscriber line interface and power circuit

Subscriber line interface circuit

Subscriber line interface circuit

Subscriber line interface circuit

Subscriber line interface circuit

Subscriber line interface circuit

Subscriber line interface circuit (SLIC) including a...

Subscriber line interface circuit (SLIC) isolation from lighting

Subscriber line interface circuit (SLIC) simulator