Data networking technology handbook - Ottawa, ON. : Northern Telecom, [19--] - x, 230 p. : fotos, gráfs., tablas ; 21 cm Acrónimos Subjects--Topical Terms: ISDNREDES A.T.M.SNAREDES FRAME RELAYSISTEMAS DE COMUNICACION DE DATOS Subjects--Index Terms: PROTOCOLO IP Universal Decimal Class. No.: 004.78