SOLITAIRE

Carrier HDSL communication systems and equipment for service to and from telecom offices, namely, central office equipment, namely, interface cards, bridge extensions, transceivers; remote equipment, namely, interface cards, bridge extensions, transceivers; customer location equipment for services using copper wire, namely, interface cards, bridge extensions, transceivers; and equipment for use with same said systems and equipment comprising high density range doublers, high density line units, and central office units, namely, interface cards, bridge extensions, transceivers