Fault detection apparatus and method, indoor all-optical network system
By setting up a fault detection device in the FTTR system, and utilizing optical signal separation and electrical signal processing, faults in the optical port of the main gateway's LAN side can be quickly identified and responded to. This solves the communication anomaly caused by the main gateway's fault, reduces equipment costs, and improves troubleshooting efficiency.
CN117200879BActive Publication Date: 2026-07-21CHINA TELECOM CORP LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- CHINA TELECOM CORP LTD
- Filing Date
- 2022-05-31
- Publication Date
- 2026-07-21
AI Technical Summary
Technical Problem
In the actual deployment of FTTR technology, a failure of the main gateway can cause abnormal system communication.
Method used
A fault detection device is provided, including a beam splitting module, a photoelectric detection module, and a detection module. Through optical signal separation, photoelectric conversion, and signal processing, the device determines the fault status of the optical port on the local area network side, generates alarm information, and sends it to the management platform.
Benefits of technology
It enables rapid identification and response to main gateway faults, avoids the problem of the WAN-side optical port being unable to receive optical signals, reduces equipment costs, and improves troubleshooting efficiency.
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Smart Images
Figure CN117200879B_ABST
Abstract
The disclosure provides a fault detection device and method, an indoor all-optical network system, and relates to the technical field of optical communication. The fault detection device comprises: a light splitting module connected with a photoelectric detection module and a local side optical module respectively, used for performing optical signal separation on a received optical signal to obtain a first optical signal; the photoelectric detection module is used for performing photoelectric conversion processing on the first optical signal to obtain a to-be-detected electrical signal; and a detection module connected with the photoelectric detection module is used for determining a fault condition of the local area network side optical port based on the to-be-detected electrical signal. The disclosure can solve the problem that in the related art, the main gateway fails in the actual deployment process, thereby affecting the normal communication of the system.
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