A method for implementing in-band management of a master-slave time synchronization system

A technology of time synchronization system and implementation method, which is applied in the field of time synchronization to achieve the effect of reducing construction costs and saving wiring resources

Active Publication Date: 2019-11-19
大唐电信(成都)信息技术有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a method for implementing in-band management of a master-slave time synchronization system, which can solve the problem of automatic calculation of the physical link delay between master-slave devices and reduce construction costs

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  • A method for implementing in-band management of a master-slave time synchronization system
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  • A method for implementing in-band management of a master-slave time synchronization system

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Embodiment Construction

[0032] Such as figure 2 , the present invention relates to a method for implementing in-band management of a master-slave time synchronization system. The method is specifically that the central network manager manages the slave device through the master device: the central network manager sends the network management information to the master device, and the master device encodes and sends For the slave device, the slave device executes the corresponding network management operation command, and at the same time returns the device status information to the master device according to the encoding method of the master device. Among them, the improved IRIG-B signal is transmitted between the master device and the slave device in the following ways: (1) single-fiber dual-fiber optical fiber transmission mode; (2) twisted-pair network cable transmission RS422 level mode.

[0033] The encoding method of the master device is: the P99 field of the IRIG-B code is undefined as a reserv...

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Abstract

The invention discloses an implementation method for in-band management of a master-slave time synchronization system. A central webmaster carries out management on slave devices through a master device; the master device sends network management information to the master device; after the master device encodes the network management information, the master device sends the network management information to the slave devices; the slave devices execute corresponding network management operation instructions, and meanwhile, the slave devices return device status information to the master device according to an encoding way. Through improvement of an IRIG-B code, a problem of automatic calculation of a delay of a physical link between the master device and the slave devices is solved, the construction cost is effectively reduced, and meanwhile, the central webmaster carries out network management on all slave devices through the master device, so that the wiring resources are effectively saved.

Description

technical field [0001] The invention belongs to the technical field of time synchronization, relates to master-slave time synchronization, in particular to a method for implementing in-band management of a master-slave time synchronization system. Background technique [0002] At present, the ground time synchronization system is usually master-slave time synchronization, as shown in Figure 1(a): the high-level time synchronization device acts as the master station, and multiple low-level time synchronization devices act as the slave stations, and the master station encodes the time information Send it to the slave station, and finally realize the master-slave time synchronization. At the equipment management level, as shown in Figure 1(b): Usually, the central network management system is connected to the network management ports of the master device and the slave device through a network switch for management respectively. This method has the following problems: [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L7/00H04L7/02H04L12/24
CPCH04L1/0014H04L1/0056H04L7/0033H04L7/0075H04L7/02H04L41/0803
Inventor 黄成
Owner 大唐电信(成都)信息技术有限公司
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