Fibre ink superframe format

Multiplex communications – Diagnostic testing – Path check

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Details

370466, 370472, 370907, 375368, H04L 1226, H04L 700, H04J 316

Patent

active

061513075

ABSTRACT:
A serial optical link for transmission of payload data is utilised so as to permit transmission of information facility data unrelated to the payload data. A superframe is constructed at the transmission facility made up of a serial series of data frames. Each data frame consists of serially arranged words including a number of payload data words and a non-payload word. One non-payload word of the superframe has information facility data which provides a communication channel from the transmitting facility to the receiving facility for information unrelated to the communication of payload data. Another non-payload word has alarm and status facility data. The information facility data is stored in a FIFO buffer when received. If the FIFO buffer is within two words of being full, a full signal is incorporated in the next alarm and status facility data word which causes the receiving end to suspend sending information facility data words.

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patent: 5060229 (1991-10-01), Tyrrell et al.
patent: 5513173 (1996-04-01), Machemer et al.
patent: 5784377 (1998-07-01), Baydar et al.
patent: 5790531 (1998-08-01), Ellebracht et al.
T10105-1995 American National Standard for Telecommunications--Synchronous Optical Network (Sonet) Basic Decription including Multiplex Structure, Rates, and Formats.

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