EntityQ1154464· pop 12· linked from 43 articlesmain distribution frameSign in to savedistribution frame where cables are cross-connected in telephonyConnectionspolyethyleneEntitysoldering or brazingEntitytwisted-pair cableEntitytelephonyEntityelectrical wiringEntityrepeaterEntitytelephone exchangeEntitydigital subscriber line access multiplexerEntitybusiness telephone systemEntityAmerican wire gaugeEntitytelephone lineEntitypatch panelEntitywire wrapEntitylocal loopEntitytrunkingEntitycross-linked polyethyleneEntityGeneral Services AdministrationEntityoperations support systemEntitypunch down blockEntitycopyright status of works by the federal government of the United StatesEntityCategoriesTelephone exchangesTelephony equipment