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cdr debugging method and equipment

A debugging method and equipment technology, applied in electrical components, time-division multiplexing systems, multiplexing communications, etc., can solve problems such as CRC errors, solve the problem of easy errors, improve flexibility, and improve reliability. Effects of Sex and Stability

Active Publication Date: 2022-03-01
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a CDR debugging method and equipment, aiming to solve the technical problem that CRC errors are prone to occur on the centralized router backplane in the prior art

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Embodiment Construction

[0053] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054]The solution of the embodiment of the present invention is mainly: by simultaneously powering on the single disk and the main control switch disk, performing clock data recovery CDR initialization on the single disk and the main control switch disk; When completed, the main control switching disk sends an initialization completion notification to the single disk according to the preset custom bus; the single disk performs CDR initialization again, and notifies the main control switching disk after the initialization is completed; It is convenient to adopt the self-adaptive mode of CDR on the centralized IPRAN router and switch equipment, which successfully solves the error-prone problem of the centralized router backplane, greatly improves the flexibility of CDR application, and also improves the centralized IPRA...

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Abstract

The invention discloses a CDR debugging method and equipment. The method performs clock data recovery CDR initialization on the single disk and the main control exchange disk by simultaneously powering on the single disk and the main control exchange disk; When the initialization of the master control exchange disk is completed, the master control exchange disk sends an initialization completion notification to the single disk according to the preset custom bus; the single disk performs CDR initialization again, and notifies the master control after the initialization is completed. Switching disk; it can easily adopt the adaptive mode of CDR on centralized IPRAN routers and switch equipment, successfully solve the problem of easy bit errors on the backplane of centralized routers, greatly improve the flexibility of CDR application, and also improve the Reliability and stability of centralized IPRAN router equipment.

Description

technical field [0001] The invention relates to the field of embedded hardware, in particular to a CDR debugging method and equipment. Background technique [0002] In recent years, with the popularization of 4G and 5G technologies and the rapid development of industrial networks such as smart cities and smart grids, the amount of data has increased geometrically. The IP radio access network (IP Radio Access Network, IPRAN) router board The switching capacity is getting larger and larger, and the rapid increase of switching capacity directly leads to the continuous increase of the backplane bandwidth of the router equipment. At present, the mainstream centralized IPRAN routers that support 5G communication, the backplane rate is generally 10Gbit / s and 25Gbit / s, and the rate of 25Gbit / s After the electrical signal passes through the backplane, the signal quality is obviously attenuated. If the clock data recovery (CDR) is not added at the receiving end of the board, it is ver...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/06
CPCH04J3/0685
Inventor 李飞孙欣韩清尚
Owner FENGHUO COMM SCI & TECH CO LTD