通信装置、通信システム、及び通信制御方法

Title:

通信装置、通信システム、及び通信制御方法

Document Type and Number:

Japanese Patent JP7131370

Kind Code:

B2

Abstract:

An apparatus includes a first port coupled to a first apparatus through a ring line, a second port coupled to a second apparatus through a second line, the second apparatus disposed external to the ring line, the second line configured redundantly with a first line between the first apparatus and the second apparatus, a third port coupled to the first apparatus through a control line for a control signal concerning the first line, and circuitry that detects a fault in the control line, wherein the circuitry detects a fault in the second line, switches the second line from an active line to a standby line in accordance with the detection of the fault in the second line, and while the fault in the control line is detected, shuts down the first port in accordance with the detection of the fault in the second line.

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Inventors:

Shogo Sawamura
Masayuki Ono
Masanori Kondo
Toshihide Tsuzuki

Application Number:

JP2018240286A

Publication Date:

September 06, 2022

Filing Date:

December 21, 2018

Export Citation:

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Assignee:

富士通株式会社

International Classes:

H04L12/437; H04L41/0654

Domestic Patent References:

JP2015211402A
JP2015220509A
JP2005130049A
JP2016072704A
JP2015201751A

Foreign References:

US20080228943

Attorney, Agent or Firm:

Shuhei Katayama

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