H - Electricity – 04 – B
Patent
H - Electricity
04
B
317/12.4
H04B 1/74 (2006.01)
Patent
CA 1287098
LINE PROTECTION SWITCHED EQUIPMENT ABSTRACT OF THE DISCLOSURE A line protection switch equipment (LPSW) in a communication system, having a plurality of two-input and two-output switches connected between lines including a protection line and working lines, the switches being connected in series by a loop line which forms a loop, whereby by switching the switches connected to a faulty working line and to a protection line, the faulty working line is switched to become a protection line, and the former protection line becomes a working line.
515537
Ikeuchi Satoshi
Taniguchi Ikuo
Yoshimoto Kenji
Fujitsu Limited
Mcfadden Fincham
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