H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/08 (2006.01) H04Q 1/20 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2329097
The invention allows the checking of the internal performance of a cross- connect for optical networks with respect to both signal performance and proper connections. In a network comprising a number of interconnected cross-connect devices a spare output line of each cross- connect device is arranged to monitor the input port used by a connection within the cross- connect device. This output is coupled to a Performance Monitor (PM) which determines the bit- rate, type of signal (protocol), and further determines the integrity of the signal. By comparing the results of connection monitoring between a series of cross-connect stages, it is possible to deduce or infer the behaviour of the equipment involved in the connection.
Gowling Lafleur Henderson Llp
Nortel Networks Limited
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