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State detection method and device for optical transmission equipment

A state detection and optical transmission technology, which is applied in the field of optical transmission and communication, can solve the problem of not being able to output other state values, and achieve the effects of preventing oscillation, improving stability, and reducing state oscillation

Active Publication Date: 2008-12-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned method is limited to judging whether the equipment state is normal, that is, only two states of "normal" and "abnormal" can be judged, but it cannot output information other than "normal" and "abnormal". other status values

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  • State detection method and device for optical transmission equipment
  • State detection method and device for optical transmission equipment
  • State detection method and device for optical transmission equipment

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Embodiment Construction

[0023] In order to prevent state oscillation of the device, for the immediacy of hardware signals, the type of device state should not be limited to whether it is normal, for example, it can be whether it is in place, whether it is ready, etc. The value of the device state is not limited to "normal" and " Abnormal" two situations. The present invention provides a state detection method and device, which can process and output any state value, obtain a relatively stable equipment state from unstable hardware signal values, and allow hardware signal jumps within a set range Without causing device state oscillations, it can be used as a general method for smoothing discrete input state streams. The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments applied to optical transmission equipment.

[0024] method embodiment

[0025] According to an embodiment of the present invention, a state detection me...

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Abstract

The invention discloses a state detection method and device for light transmission equipment, wherein, the method includes the steps of: initiating and restoring the current state, the last state and the decision state to the initial state and resetting the state counting to be zero; obtaining the current state of the equipment by reading the signal value of the hardware; judging if the obtained current state equals to the last state; resetting the state counting according to the judgment result; setting and outputting the decision state after the state counting reaches the preset counting threshold. The method and device of the invention improve the stability of the business.

Description

technical field [0001] The invention relates to the field of optical transmission and communication, in particular to a method and device for detecting the state of an optical transmission device for preventing state oscillation of the optical transmission device caused by a transient signal. Background technique [0002] At present, in the research and development process of optical transmission, it is often necessary to know the status of the equipment, for example, alarm generation and disappearance, cross-board business, clock, whether the overhead is ready, whether the time division board is running, etc. These states are often the conditions for the next action such as alarm reporting, inter-board switching, channel and multiplex section switching. Obtaining the state is generally realized by reading the value of a hardware signal (for example, a register) and then judging or converting it. However, due to electrical or other physical characteristics, these signals ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/08H04B10/077
Inventor 周泽兵
Owner ZTE CORP