H - Electricity – 04 – L
Patent
H - Electricity
04
L
340/71
H04L 1/00 (2006.01) H04L 25/08 (2006.01)
Patent
CA 2033850
ABSTRACT OF THE DISCLOSURE The present invention discloses a violation control circuit for a frame alignment of a basic interface in ISDN. The violation control circuit comprises selectors having inputs connected to positive and negative pulse transmission signals, a selector control circuit for providing control signals for selectively connect the inputs of the selectors to outputs of the selectors. The violation control circuit further comprises a U-B converter for receiving the outputs of the selectors, a transmission transformer for receiving an outut of the U-B converter, a receiving transformer for receiving a receiving pulse, a B-U converter for receiving an output of the receiving transformer, and an INFO detecting circuit to be connected to an output of the B-U converter.
Seki Akira
Ando Electric Co. Ltd.
Marks & Clerk
Seki Akira
LandOfFree
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