Electronic hybrid circuit
Electronic hybrid having synthesized impedance circuitry
Electronic inductor with transmit signal telephone line driver
Electronic inductor with transmit signal telephone line driver
Electronic subscriber line connection circuit
Electronically switched optically coupled line interface
Element management system for managing line-powered network...
Enabling Cisco legacy power to support IEEE 802.3 AF...
Enclosure for remote terminal in a distributed digital loop syst
End office of a telephone system with a zero loss plan
Enhanced echo canceller for digital cellular application
Enhanced high voltage interface for partitioned subscriber...
Enhanced high voltage line interface circuit
Enhanced low pass filter
Enhanced services network interface device
Enhanced subscriber line interface circuit
Enhanced synchronous rectifier
Environmental noise level estimation apparatus, a...
Exclusionary device for coupling plural telephonic devices to a
Extended feedback circuit for impedance matching and voltage...