H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/12
H04J 3/14 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1155241
Abstract A diagnostic circuit for PCM connection networks comprises a selector followed by a series-to-parallel converter, designed to select the PCM group containing the channel to be tested, and to transfer in parallel the eight bits of the channel to a network control processor, and a logic network that decodes messages and commands from the processor and controls the bit pick-up and transfer in correspondence within a predetermined frame. The whole circuit is manufactured as an integrated circuit and is suitable for direct dialogue with a microprocessor.
371285
Belforte Piero
Bortignon Renzo
Cselt - Centro Studi E. Laboratori Telecommunicazioni S.p.a.
Ridout & Maybee Llp
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