DEVICE FOR PERFORMING WRAP TESTS ON A MULTIPLEX LINK IN A DATA COMMUNICATION SYSTEM

In a data communication system, a device for performing a wrap test on at least one line without affecting the other lines that transmit and receive data over at least one multiplex link within time slots allocated to a given line within a given frame. During each time slot, a wrap control bit is se...

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Bibliographic Details
Main Authors MONTANARI, GERARD M, BAUDELOT, FRANCIS E, COSTES, MICHEL L
Format Patent
LanguageEnglish
French
Published 06.09.1988
Edition4
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:In a data communication system, a device for performing a wrap test on at least one line without affecting the other lines that transmit and receive data over at least one multiplex link within time slots allocated to a given line within a given frame. During each time slot, a wrap control bit is set by the communication system to a state that indicates either the wrap test mode or the normal mode of operations. Said bit controls a logic circuit to cause data to be sent either over link or to the receive circuit to perform the test, within each time slot.
Bibliography:Application Number: CA19850479573