CN216290914U

CN216290914U - Optical channel monitoring device

Info

Publication number: CN216290914U
Application number: CN202122587822.2U
Authority: CN
Inventors: 杨超见; 刘学臣; 谭文敏
Original assignee: Guangzhou Sintai Communication Technology Co ltd
Current assignee: Guangzhou Sintai Communication Technology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-12
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an optical channel monitoring device, which comprises a processor, at least one monitoring circuit of a first monitoring circuit, a second monitoring circuit and a third monitoring circuit, a connector, a communication circuit and a power supply circuit, wherein the processor is connected with the first monitoring circuit and the second monitoring circuit; the first monitoring circuit is communicated with the processor through UATR, the second monitoring circuit is communicated with the processor through parallel communication, the third monitoring circuit is communicated with the processor through UATR, the communication circuit is connected with the connector and the processor, and the power supply circuit provides power for the monitoring device. The embodiment of the utility model has the advantages of simple generation process, small occupied space, capability of monitoring the optical signal to noise ratio and more monitoring wavelengths, and can be widely applied to the field of communication monitoring.

Description

Optical channel monitoring device

Technical Field

The utility model relates to the field of communication monitoring, in particular to an optical channel monitoring device.

Background

The optical channel performance monitoring is one of the signs of the WDM (Wavelength Division Multiplexing) system moving towards intelligence and high speed. WDM systems often suffer from QoS (quality of service) degradation due to wavelength and power shifts caused by signal impairments, non-linearities, etc. in the optical fiber transmission. The WDM system with an OCM (Optical Channel Monitor) can effectively Monitor all channels at each node, so as to facilitate system feedback, flexibly correct Channel wavelength, adjust power, and realize intelligent transmission. In the related art, a plurality of PDs and wave plates are mounted on a unit board card and used for distinguishing the wavelengths of optical signals and detecting the optical power intensity; the unit board card has the advantages of complex production process, labor consumption, large occupied space and incapability of detecting the signal-to-noise ratio.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide an optical channel monitoring device, which has a simple generation process, occupies a small space, can monitor an optical signal-to-noise ratio, and has a large number of monitoring wavelengths.

The embodiment of the utility model provides an optical channel monitoring device, which comprises a processor, at least one monitoring circuit of a first monitoring circuit, a second monitoring circuit and a third monitoring circuit, a connector, a communication circuit and a power supply circuit, wherein the processor is connected with the first monitoring circuit and the second monitoring circuit; wherein, first monitoring circuit with the treater passes through UATR (Universal Asynchronous Receiver/Transmitter, Asynchronous Receiver Transmitter) communication, the second monitoring circuit with the treater passes through parallel communication, the third monitoring circuit with the treater passes through UATR communication, communication circuit connects the connector reaches the treater, power supply circuit provides the power for monitoring devices.

Optionally, the first monitoring circuit comprises a chip Molex _ ocm.

Optionally, the second monitoring circuit comprises a chip Optoplex _ OCM.

Optionally, the third monitoring circuit includes a third monitoring unit and a level shift unit, the third monitoring unit includes a chip II-VI _ OCM, and the level shift unit includes MAX232 or MAX3232IPW-TSSOP 16.

Optionally, the communication circuit comprises a can bus communication circuit comprising a chip SN65HVD 233D.

Optionally, the power supply circuit includes a power input unit and a power conversion unit.

Optionally, the processor comprises a chip STM32F107VCT 6.

Optionally, the monitoring device further comprises a plurality of indicator lights, and the indicator lights are connected with the processor.

The implementation of the embodiment of the utility model has the following beneficial effects: in the embodiment, any one of the first monitoring circuit, the second monitoring circuit or the third monitoring circuit is used for monitoring the wavelength, the power, the optical signal to noise ratio and the like of the optical channel, and sending a monitoring result to the processor, and the processor is sent to other equipment through the connector; need not to carry on a plurality of PD and wave plate, production simple process, saving human cost, monitoring devices occupation space is few simultaneously, stability is high, maintain simpler, can monitor SNR, and monitoring wavelength is in large quantities.

Drawings

Fig. 1 is a schematic structural diagram of an optical channel monitoring apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another optical channel monitoring device provided in the embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a first monitoring circuit, a second monitoring circuit and a third monitoring circuit according to an embodiment of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1, an optical channel monitoring apparatus according to an embodiment of the present invention includes a processor, at least one of a first monitoring circuit, a second monitoring circuit, and a third monitoring circuit, a connector, a communication circuit, and a power circuit; the first monitoring circuit is communicated with the processor through UATR, the second monitoring circuit is communicated with the processor through parallel communication, the third monitoring circuit is communicated with the processor through UATR, the communication circuit is connected with the connector and the processor, and the power supply circuit provides power for the monitoring device.

It should be noted that the first monitoring circuit, the second monitoring circuit and the third monitoring circuit are different types of monitoring circuits, and any one of the monitoring circuits can independently complete a monitoring task.

It will be appreciated by those skilled in the art that the connector is used to connect an upper layer network manager or device, and the connector may be selected from a euro connector. Referring to fig. 2, the connector communicates with the processor through a plurality of can buses, and an address line addr0-addrn is further included between the connector and the processor, and the address line uses 2-ary coding for identification when communicating with an upper network or device.

Specifically, the working process of the optical channel monitoring device is as follows: the power supply circuit provides required voltage for the optical channel monitoring device, for example, the power supply circuit provides power for the first monitoring circuit, the second monitoring circuit, the third monitoring circuit, the processor and the like; at least one of the first monitoring circuit, the second monitoring circuit or the third monitoring circuit monitors optical signal performance indexes of an optical channel, such as optical wavelength, optical power, optical signal to noise ratio and the like, the monitoring circuit sends the monitored optical signal performance indexes to the processor, the processor reports the optical signal performance indexes to upper-layer equipment or a network manager through the communication circuit and the connector, and meanwhile, the processor receives related instructions sent by the upper-layer equipment or the network manager through the communication circuit and the connector.

Optionally, the processor comprises a chip STM32F107VCT 6.

Specifically, the role of the chip STM32F107VCT6 includes receiving the performance index of the optical signal sent by at least one of the first monitoring circuit, the second monitoring circuit, or the third monitoring circuit, and communicating with the upper network through the communication circuit and the connector.

Optionally, the first monitoring circuit comprises a chip Molex _ ocm.

Referring to fig. 3, U125 in fig. 3 represents a chip Molex _ ocm; the 20 th pin RESET _ COM of the U125 is connected to the processor, and is used for restarting the first monitoring circuit and controlling the first monitoring circuit through the processor; the 34 th pin RXD and the 33 th pin TXD of the U125 are respectively connected to the resistor R724 and the resistor R725, and are respectively connected to the processor through USART _ RX and USART _ TX for transmitting the monitoring signal of the optical channel.

Optionally, the second monitoring circuit comprises a chip Optoplex _ OCM.

Referring to fig. 3, the second monitoring circuit includes P2 pin headers and U130; the U130 is a mounting hole of the Optoplex _ OCM, and the stability of a monitoring signal can be improved by grounding the mounting hole; a 3 rd pin RXD and a 4 th pin TXD of the P2 pin header are respectively connected with a resistor R724 and a resistor R725, are respectively connected with the processor through a USART _ RX and a USART _ TX, and are used for transmitting monitoring signals of an optical channel; and the 1 st pin RESET _ COM of the P2 pin is connected with the processor, is used for restarting the second monitoring circuit and is controlled by the processor.

Referring to FIG. 3, U126 represents chip II-VI _ OCM, U129 represents MAX3232IPW-TSSOP 16; the 12 th pin RESET _ COM of the U126 is connected to the processor, is used for restarting the first monitoring circuit, and is controlled by the processor; the 9 th pin RXD and the 10 th pin TXD of the U126 are respectively connected with the 13 th pin RXD and the 14 th pin TXD of the U129, and are connected with the processor through the 12 th pin USART _ RX and the 11 th pin USART _ TX of the U129 for transmitting monitoring signals of an optical channel, and the U129 is used for converting the level of the U126 into the level of R232; in this case, the resistors R724 and R725 are not connected to the circuit, and an open circuit is formed at the resistors R724 and R725.

Specifically, referring to fig. 2, several, such as 2, can be provided for the can bus for transmitting and receiving, respectively.

It should be noted that the power supply used by the first monitoring circuit includes 3.3V, the power supply used by the second monitoring circuit includes 3.3V and 5V, the power supply used by the third monitoring circuit includes 12V, and the power supply used by the processor includes 3.3V. The power input unit of the embodiment inputs 12V, the first power conversion unit converts 12V into 5V, and the second power conversion unit converts 12V into 3.3V. The power input unit and the power conversion unit may also adopt other modes, and the embodiment of the present invention is not particularly limited.

Specifically, the indicator light can be used for abnormal alarm of the optical channel monitoring device, and is controlled by the processor, and the processor controls the switch of the indicator light according to whether the performance index of the received monitoring signal is in a required range; and if the performance index of the monitoring signal is not in the required range, controlling the red indicator lamp to be on.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An optical channel monitoring device is characterized by comprising a processor, at least one monitoring circuit of a first monitoring circuit, a second monitoring circuit and a third monitoring circuit, a connector, a communication circuit and a power supply circuit; the first monitoring circuit is communicated with the processor through UATR, the second monitoring circuit is communicated with the processor through parallel communication, the third monitoring circuit is communicated with the processor through UATR, the communication circuit is connected with the connector and the processor, and the power supply circuit provides power for the monitoring device.

2. The monitoring device of claim 1, wherein the first monitoring circuit comprises a chip Molex ocm.

3. The monitoring device of claim 1, wherein the second monitoring circuit comprises a chip Optoplex _ OCM.

4. The monitoring device of claim 1, wherein the third monitoring circuit comprises a third monitoring unit comprising a chip II-VI _ OCM and a level shift unit comprising MAX232 or MAX3232IPW-TSSOP 16.

5. The monitoring device of claim 1, wherein the communication circuit comprises a can bus communication circuit comprising a chip SN65HVD 233D.

6. The monitoring device of claim 1, wherein the power circuit comprises a power input unit and a power conversion unit.

7. The monitoring device of claim 1, wherein the processor comprises a chip STM32F107VCT 6.

8. The monitoring device of claim 1, further comprising a plurality of indicator lights, the indicator lights being coupled to the processor.