EntityQ7695847· pop 6· linked from 1,158 articlestelecommunication circuitSign in to saveline, conductor, or other conduit by which information is transmittedConnectionsInternational Standard Book NumberEntitycomputer networkEntitysignalEntityanalog signalEntityIntegrated Services Digital NetworkEntityradio broadcastingEntitydigital dataEntitypacket switchingEntitychannelEntitytelecommunications networkEntityduplex communicationEntitysound recording and reproductionEntitytransmissionEntitytransmission mediumEntityplain old telephone serviceEntityvirtual circuitEntityleased lineEntitydata terminal equipmentEntityRobert DarntonEntityGeneral Services AdministrationEntityCategoriesTelecommunications equipment