CN214154732U

CN214154732U - Device for verifying optical eye diagram of 10G multimode optical module

Info

Publication number: CN214154732U
Application number: CN202120380784.0U
Authority: CN
Inventors: 陈晨
Original assignee: Taicang T&W Electronics Co Ltd
Current assignee: Taicang T&W Electronics Co Ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-09-07
Anticipated expiration: 2031-02-20

Abstract

The utility model discloses a verify device of 10G multimode optical module light eye diagram, accompany survey board, SFP + anchor clamps, first sampling oscilloscope, second sampling oscilloscope including the 10G switch, the 10G switch is accompanied and is equipped with the light cage on the survey board, SFP + anchor clamps insert 10G switch and accompany in surveying the light port of board, and the other end is connected to two input channel 1 and 2 of passageway of first sampling oscilloscope through the SMA line, the clock recovery output port of first sampling oscilloscope passes through SMA line and links to each other with the trigger input port of second sampling oscilloscope, the input light source port of second sampling oscilloscope links to each other through the optical fiber line and the optical cage in the male multimode optical module that awaits measuring. By using the mutual connection of the two sampling oscilloscopes and the SFP + clamp, the data clock recovery of the 10G multimode optical module is realized, and the test of the optical eye diagram of the 10G multimode optical module can be verified in such a way. The method is easy to realize, does not need to independently purchase a data clock recovery unit, has low cost and has high cost performance.

Description

Device for verifying optical eye diagram of 10G multimode optical module

Technical Field

The utility model relates to the field of communication technology, especially, relate to a verify device of 10G multimode optical module optical eye pattern for the verification of research and development stage 10G multimode optical module optical eye pattern.

Background

In order to verify that the 10G multimode optical module can work normally, the optical eye diagram needs to be verified, the use of a high-end oscilloscope and the use of a data clock recovery unit cannot be avoided when the optical eye diagram is tested, the data clock recovery unit exists independently, only has the function of clock recovery, has no other use value, cannot be used independently, and is high in equipment price.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a to the not enough of above-mentioned prior art, provide a device of verifying 10G multimode optical module light eye diagram.

In order to solve the above problems, the utility model adopts the following technical proposal:

a device for verifying a 10G multimode optical eye pattern comprises a 10G switch accompanying and testing plate, an SFP + clamp, a first sampling oscilloscope and a second sampling oscilloscope, wherein a light cage is arranged on the 10G switch accompanying and testing plate, the SFP + clamp is inserted into a light port of the 10G switch accompanying and testing plate, the other end of the SFP + clamp is connected to two input channels, namely a channel 1 and a channel 2, of the first sampling oscilloscope through an SMA (shape memory alloy) wire, a clock recovery output port of the first sampling oscilloscope is connected with a trigger input port of the second sampling oscilloscope through the SMA wire, and an input light source port of the second sampling oscilloscope is connected with a multimode optical module to be tested, which is inserted into the light cage, through an optical fiber wire.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: by using the mutual connection of the two sampling oscilloscopes and the SFP + clamp, the data clock recovery of the 10G multimode optical module is realized, and the test of the optical eye diagram of the 10G multimode optical module can be verified in such a way. The method is easy to realize, does not need to independently purchase a data clock recovery unit, has low cost and has high cost performance.

Drawings

Fig. 1 is a schematic diagram of the present invention.

In the figure: 1. a 10G switch accompanying and testing board; 2. SFP + clamp; 3. a first sampling oscilloscope; 4. a second sampling oscilloscope; 5. light cage.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, a device for verifying an optical eye diagram of a 10G multimode optical module includes a 10G switch accompanying board 1, an SFP + clamp 2, a first sampling oscilloscope 3, and a second sampling oscilloscope 4, where the 10G switch accompanying board 1 is provided with an optical cage 5, the SFP + clamp 2 is inserted into an optical port of the 10G switch accompanying board 1, and the other end of the SFP + clamp is connected to two input channels, i.e., the channel 1 and the channel 2, of the first sampling oscilloscope 3 through SMA wires, a clock recovery output port of the first sampling oscilloscope 3 is connected to a trigger input port of the second sampling oscilloscope 4 through SMA wires, and an input optical source port of the second sampling oscilloscope 4 is connected to a multimode optical module to be tested, which is inserted into the optical cage 5, through an optical fiber wire.

The working principle is as follows: 1. the SFP + clamp 2 firstly leads out the optical port electrical signal in the 10G switch accompanying and measuring board 1 and connects the optical port electrical signal to two input channels, namely channel 1 and channel 2, of the first sampling oscilloscope 3 through the SMA wire, the electrical signal received by the first sampling oscilloscope 3 outputs a data clock at the clock recovery output port, and the clock is output to the trigger input port of the second sampling oscilloscope 4 through the SMA wire and serves as a recovery clock for the optical eye diagram data of the second sampling oscilloscope 4. 2. The multimode optical module to be tested is inserted into the optical cage 5 of the accompanying test 1 of the 10G switch, and is connected to the input light source port of the second sampling oscilloscope 4 through an optical fiber line, so that the optical eye diagram of the multimode optical module to be tested can be displayed in the second sampling oscilloscope 4 at the moment.

When the device is used for verification, the SFP + clamp 2 is firstly inserted into an optical port in the 10G switch accompanying and measuring plate 1, the other end of the SFP + clamp 2 is connected to two input channels, namely the channel 1 and the channel 2, of the first sampling oscilloscope 3 through the SMA wire, an electric signal received by the first sampling oscilloscope 3 outputs a data clock at a clock recovery output port, and the clock is output to the trigger input port of the second sampling oscilloscope 4 through the SMA wire and is used as a recovery clock for optical eye pattern data of the second sampling oscilloscope 4. The multimode optical module to be tested is inserted into the optical cage 5 of the accompanying test board 1 of the 10G switch, and is connected to the input light source port of the second sampling oscilloscope 4 through an optical fiber line, so that the optical eye diagram of the multimode optical module to be tested can be displayed in the second sampling oscilloscope 4 at the moment, and whether the multimode optical module can work normally or not can be judged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A device for verifying an optical eye diagram of a 10G multimode optical module is characterized in that: including 10G switch company's survey board (1), SFP + anchor clamps (2), first sampling oscilloscope (3), second sampling oscilloscope (4), 10G switch company is equipped with light cage (5) on survey board (1), SFP + anchor clamps (2) are inserted in 10G switch company's survey board (1) the light port, and the other end passes through SMA line connection to first sampling oscilloscope (3) two input channel of passageway 1 and 2, the clock recovery output port of first sampling oscilloscope (3) passes through SMA line and second sampling oscilloscope (4) trigger input port and links to each other, the input light port of second sampling oscilloscope (4) passes through the optic fibre line and links to each other with the multimode optical module that awaits measuring that inserts in light cage (5).