TWI650966B - Detection jig for detecting network interface, detection jig for detecting network transmission state of electronic device, and detection method of network interface transmission rate - Google Patents

Abstract

A detecting fixture for detecting a network interface, comprising a motherboard, a light guiding component, an image capturing device and a loop device. The network interface is electrically connected to the motherboard, and the test program of the motherboard drives the network interface to output a network signal through an output pin and receive the network signal with a receiving pin. The light guiding element has a head end and a tail end, and the head end corresponds to a light emitting element of the network interface. The image capturing device captures the light signal emitted by the light emitting element through the light guiding element. The loop device is electrically connected to the output pin of the network interface to the receiving pin of the network interface. The image capturing device transmits the captured image to the motherboard for the test program to analyze the operating state of the network interface through the optical signal emitted by the light guiding component.

Description

Detection jig for detecting network interface, detection jig for detecting network transmission state of electronic device, and detection method of network interface transmission rate

The invention relates to a detection device for a network interface, in particular to a detection fixture and a detection method for detecting a network transmission state by using an image capture method.

At present, the detection method of the network interface is mainly to apply manual detection.

The wired network interface usually includes a light-emitting component that flashes in different colors to show the operating state and speed of the network interface. The traditional manual detection method is to install the network interface on a test host, and use the test host driver to send and receive network packets. In the foregoing process, the tester visually observes the blinking state of the light-emitting elements, thereby judging and recording the test results of each network interface.

The above-mentioned manual detection method judges the relying person to judge, lacks the standard condition of objectification, and is easily tested by the person of the tester, and the quality is uneven, and even the situation that the person does not perform the actual test is not grasped, and the defective product is likely to flow out. Concerns.

In view of the above problems, the present invention provides a detection fixture and a detection method for performing network transmission state detection by image capture, thereby solving the problem of traditional manual visual inspection.

The invention provides a detection fixture for detecting a network interface. The network interface has at least one light emitting component, an output pin and a receiving pin, and the light emitting component is used to display the network The working state of the interface, the output pin is used to output a network signal, and the receiving pin is used to receive the network signal.

The detecting fixture comprises a motherboard, a light guiding component, an image capturing device and a loop device.

The motherboard has electronic components and runs a test program. The network interface is electrically connected to the motherboard, and the test program drives the network interface to output the network signal through the output pin, and receives the network signal by the receiving pin, and records the output pin and the output and receiving status of the receiving pin.

The light guiding element has a head end and a tail end, and the head end corresponds to the light emitting element of the network interface to receive the light signal emitted by the light emitting element.

The image capturing device is electrically connected to the motherboard. The image capturing device captures the light signal emitted by the light emitting element through the light guiding element.

The loop device is electrically connected to the network interface for electrically connecting the output pin of the network interface to the receiving pin of the network interface.

The image capturing device transmits the captured image to the motherboard for the test program to analyze the operating state of the network interface through the optical signal emitted by the light guiding component.

In one embodiment, the light guiding element is a light guiding strip made of an optical fiber or a transparent material.

In one embodiment, the test program analyzes the operational status of the network interface based on the chroma and flicker frequency.

In a specific embodiment, the detecting fixture further comprises a box body having an inner space, the box body isolating the external light into the inner space; wherein the tail end of the light guiding element extends into the inner space of the box body to emit light Signal; the image capturing device is disposed in the box body.

In one embodiment, the loop device includes a network route, one end of which is connected to the network interface; an adapter board having a first socket and a second socket connected to each other, and the other end of the network route is connected to the first socket; And a jumper device connected to the second socket for electrically connecting the output pin of the network interface to the receiving pin of the network interface.

In one embodiment, the mesh route and the adapter plate are disposed in the interior space of the cabinet.

In one embodiment, the jumper device extends beyond the housing.

In a specific embodiment, the adapter board further includes a hub controller; the slave connection interface is electrically connected to the hub controller; and the main connection interface is electrically connected to the hub controller, and the slave connection interface is concentrated through the main connection interface. communication.

The invention further provides a detection fixture for detecting a network transmission state of an electronic device. The electronic device has at least one network interface and a motherboard. The network interface has at least one light emitting component, an output pin and a receiving pin. The light emitting component is configured to display an operating state of the network interface, the output pin is configured to output a network signal, and the receiving pin is used for receiving the network. Road signal. The motherboard has electronic components and runs a test program. The network interface is electrically connected to the motherboard, and the test program is used to drive the network interface to output the network signal through the output pin, and receive the network signal by the receiving pin, and record the output pin and the output and receiving of the receiving pin. status.

The detecting fixture comprises a light guiding component, an image capturing device and a loop device.

The light guiding element has a head end and a tail end, and the head end corresponds to the light emitting element of the network interface to receive the light signal emitted by the light emitting element.

The image capturing device is electrically connected to the motherboard, and the image capturing device captures the illuminating element The optical signal emitted by the light guiding element.

The loop device is electrically connected to the network interface for electrically connecting the output pin of the network interface to the receiving pin of the network interface.

The image capturing device transmits the captured image to the motherboard for the test program to analyze the operating state of the network interface through the optical signal emitted by the light guiding component.

In one embodiment, the light guiding element is a light guiding strip made of an optical fiber or a transparent material.

In one embodiment, the test program analyzes the operational status of the network interface based on the chroma and flicker frequency.

In a specific embodiment, the detecting fixture further comprises a box body having an inner space, the box body isolating the external light into the inner space; wherein the tail end of the light guiding element extends into the inner space of the box body to emit light Signal; the image capturing device is disposed in the box body.

In one embodiment, the loop device includes a network route, one end of which is connected to the network interface; an adapter board having a first socket and a second socket connected to each other, and the other end of the network route is connected to the first socket; And a jumper device connected to the second socket for electrically connecting the output pin of the network interface to the receiving pin of the network interface.

In one embodiment, the mesh route and the adapter plate are disposed in the interior space of the cabinet.

In one embodiment, the jumper device extends beyond the housing.

In a specific embodiment, the adapter board further includes a hub controller; the slave connection interface is electrically connected to the hub controller; and the main connection interface is electrically connected to the hub controller, and the slave connection interface is concentrated through the main connection interface. communication.

Based on the foregoing jig, the present invention provides a method for detecting a network interface transmission rate, wherein the network interface has at least one light emitting component, an output pin, and a receiving pin, and the light emitting component is configured to display the operating state of the network interface. The output pin is used to output a network signal, and the receiving pin is used to receive the network signal.

The detection method includes the following steps:

Electrically connecting the network interface to a motherboard; wherein the motherboard has electronic components and runs a test program; the output pin of the network interface is connected to the receiving pin of the network interface; and the test program is received by the receiving pin The driving network interface outputs the network signal through the output pin; the image capturing device captures the optical signal emitted by the receiving light emitting component; and the transmitting image capturing device transmits the captured image to the motherboard for the test program The optical signal sent by the light guiding element analyzes the operating state of the network interface.

In one embodiment, the step of connecting the output pin of the network interface to the receiving pin of the network interface includes electrically connecting the loop device to the network interface.

In a specific embodiment, the step of connecting the output pin of the network interface to the receiving pin of the network interface comprises: connecting a network route to the network interface; and connecting the other end of the connection network route to an adapter board; Wherein, the adapter board has a first socket and a second socket connected to each other, the network route is connected to the first socket; and a jumper device is connected to the second socket.

In a specific embodiment, the detecting method further comprises a step of setting a box, and setting the image capturing device in the box, and providing a light guiding component, so that the head end of the light guiding component corresponds to the network interface. Light-emitting element and extending the tail end of the light guiding element into the inner space of the box in.

The invention captures the image data of the light-emitting component through the image capturing device, and solves the problem that the detection quality is traditionally detected by manual visual inspection, and the quality of the detection quality is different due to many artificial and external factors, and the cost of setting the test host is saved. .

1000‧‧‧Test fixture

100‧‧‧ motherboard

110‧‧‧Network interface

120‧‧‧Lighting elements

Tx‧‧‧ output pin

Rx‧‧‧ receiving feet

200‧‧‧ cabinet

200a‧‧‧Internal space

300‧‧‧Light guiding elements

310‧‧‧ head end

320‧‧‧ tail

400‧‧‧Image capture device

500‧‧‧circuit device

510‧‧‧Web route

520‧‧‧Adapter plate

521‧‧‧Set line controller

522‧‧‧First socket

523‧‧‧Subordinate connection interface

524‧‧‧second socket

525‧‧‧Main connection interface

530‧‧‧jumper

540‧‧‧Web route

600‧‧‧Electronic devices

Figure 1 is a schematic view of a first embodiment of the present invention.

Fig. 2 is a modification of the first embodiment of the present invention.

Fig. 3 is another modification of the first embodiment of the present invention.

Fig. 4 is still another modification of the first embodiment of the present invention.

Figure 5 is a schematic view of a second embodiment of the present invention.

Figure 6 is a schematic view of a third embodiment of the present invention.

Figure 7 is a flow chart of the detection method of the present invention.

Figure 8 is a detailed flow chart of a part of the steps in Figure 7.

Figure 9 is a detailed flow chart of a part of the steps in Figure 7.

Figure 10 is a detailed flow chart of part of the steps in Figure 7.

Please refer to FIG. 1 , which is a detection fixture 1000 according to a first embodiment of the present invention for detecting a transmission state of a network interface 110 , including whether a normal transmission and a transmission rate are included. The network interface 110 can be, but is not limited to, a wired network interface card. The network interface 110 typically has at least one light emitting element 120, an output pin Tx, and a receive pin Rx and other functional pins. The light-emitting element 120 displays the operational state of the network interface 110 at a blinking frequency and chroma. The output pin Tx can output a network signal according to the driver, for example, continuously output the network packet, and then connect The pin Rx is used to receive the aforementioned network signal. Of course, the network interface 110 also includes other pins, but these pins are not related to the technical features of the present invention, and will not be described herein.

The detecting fixture 1000 includes a motherboard 100, a casing 200, a light guiding component 300, an image capturing device 400, and a loop device 500.

The motherboard 100 can be a motherboard that is not limited to a desktop host, a motherboard of a notebook computer, or any circuit board that has an arithmetic component. The motherboard 100 and the network interface 110 form a system that is operable and has a network connection function. The motherboard 100 is provided with necessary electronic components such as a central processing unit, a system chipset, a memory, a storage device, and a power source. At least one operating system and one test program are stored in the storage device. The operating system is used to operate the motherboard 100 as a computer system and provide an environment in which the test program is executed.

The network interface 110 is electrically connected to the motherboard 100 through an interface card slot or other transmission interface (eg, USB). The test program is used to drive the network interface 110, so that the driver network interface 110 can output the network signal through the output pin Tx, and receive the network signal by the receiving pin Rx, test the program and further record the output pin Tx and receive Output and reception status of pin Rx.

The cabinet 200 is used to provide a darkroom environment. The case 200 has an internal space 200a, and the material of the case 200 can block external light from entering the internal space 200a, so that the internal space 200a of the case 200 can form a dark room.

The light guiding element 300 can be an optical fiber or a light guiding strip made of a transparent material. The light guiding element 300 has a head end 310 and a tail end 320. The head end 310 is disposed corresponding to the light emitting element 120 of the network interface 110 to receive the light signal emitted by the light emitting element 120; the tail end 320 extends into the internal space 200a of the box 200 to emit an optical signal.

The image capturing device 400 is disposed in the casing 200 so that the image capturing result is not affected by external ambient light. The image capturing device 400 is electrically connected to the motherboard 100 to be driven by the test program to perform an image capturing operation, and the captured result is transmitted back to the motherboard 100. The image capturing device 400 can be electrically connected to the motherboard 100 through a USB, IEEE 1394 or other transmission interface. The image capturing device 400 captures the optical signal emitted by the light-emitting component 120 through the light-guiding component 300 and transmits it back to the motherboard for the test program to receive and analyze.

The foregoing box 200 is used to provide a darkroom environment to prevent the image capturing operation of the image capturing device 400 from being disturbed by ambient light. When the ambient light does not change much and there is a fixed background value, the setting of the cabinet 200 can also be omitted.

The circuit device 500 is electrically connected to the network interface 110 for electrically connecting the output pin Tx of the network interface 110 to the receiving pin Rx of the network interface 110, so that the output pin Tx and the receiving pin Rx are self-contained. The test loop does not require an external network, and the transmission characteristics of the output pin Tx and the receive pin Rx can be tested at the same time.

As described above, the image capturing device 400 transmits the captured image to the motherboard 100 for the test program to analyze the operating state of the network interface 110 through the optical signal emitted by the light guiding component 300. The test program analyzes the operational status of the network interface 110 based on the chroma and flicker frequency.

Without considering the length of the network signal transmission path, the loop device 500 may be in the form of an electrical connector that is directly plugged into the network interface 110 and connected to the pin Tx and the receiving pin Rx by internal jumpers. However, the length of the network signal transmission path is also one of the important parameters for testing the transmission characteristics of the network interface 110, such as the signal attenuation rate. Therefore, the length of the network signal transmission path must be extended.

As shown in FIG. 2, in a specific embodiment, the loop device 500 includes a network A wire 510, an adapter plate 520, and a jumper device 530 are disposed in the internal space 200a of the casing 200.

The mesh route 510 is sized to fit the network interface 110, typically a cable that conforms to the RJ45 specification, and is provided with RJ45 connectors at both ends. The mesh route 510 is disposed in the internal space 200a of the cabinet 200, and one end of the mesh route 510 is connected to the network interface 110.

The adapter plate 520 is disposed in the inner space 200a of the cabinet 200, and the adapter plate 520 has a first socket 522 and a second socket 524 connected to each other, and the other end of the mesh route 510 is connected to the first socket 522. The jumper device 530 is connected to the second socket 524 for electrically connecting the output pin Tx of the network interface 110 to the receiving pin Rx of the network interface 110.

As shown in FIG. 3, when the space of the internal space 200a of the casing 200 is insufficient to accommodate the mesh route 510 having a sufficient length, the adapter plate 520 may be disposed outside the casing 200 such that the length of the mesh route 510 may extend.

As shown in FIG. 4, another way is to extend the jumper device 530 outside the case 200 through the other mesh route 540 without changing the length of the mesh route 510 in the case 200.

The first embodiment is for testing a separate network interface 110, and the present invention is also applicable to the built-in network interface 110.

As shown in FIG. 5, a detection fixture 1000 for detecting a network transmission state of an electronic device 600 according to a second embodiment of the present invention is shown. The electronic device 600 can be a motherboard 100 with a built-in network interface 110, or it can be a generally independent electronic device such as a notebook computer.

The electronic device 600 has at least one network interface 110 and a motherboard 100. As described above, the motherboard 100 is provided with necessary electronic components and is connected to a power source (built-in battery or external power source). The network interface 110 can be, but is not limited to, a wired network interface card. Network interface 110 typically has at least one light emitting element 120, an output pin Tx, and a receive pin Rx and other functional feet. The electronic device 600 stores at least one operating system and one test program. The operating system is used to power up the electronic device 600 and provide an environment in which the test program is executed. The foregoing storage device may be a pluggable storage device, such as a USB disc, and the operating system is a customized operating system installed in the pluggable storage device, and the different electronic devices 200 can be continuously turned on by plugging and unplugging, and Record the test results.

As shown in the first embodiment, the network interface 110 is electrically connected to the motherboard 100. The test program is used to drive the network interface 110 to output a network signal through the output pin Tx, and receive the network signal through the receiving pin Rx, and record Output pin Tx and receive pin Rx output and receive status.

The arrangement and operation of the casing 200, the light guiding element 300, the image capturing device 400, and the circuit device 500 are substantially the same as those of the first embodiment, and will not be described below.

As shown in FIG. 6, a detection fixture 1000 for detecting a network transmission state of an electronic device 600 according to a third embodiment of the present invention is shown. The third embodiment is a variation of the first or second embodiment. The adapter plate 520 of the loop device 500 can be additionally provided with a line concentrating function to facilitate centralized electrical connection of the plurality of test/peripheral devices to the motherboard 100. In the third embodiment, the interposer 520 further includes a hub controller 521, a plurality of slave connection interfaces 523, and a main connection interface 525. The slave connection interface 523 and the master connection interface 525 are electrically connected to the hub controller 521, so that the slave connection interfaces 523 can collectively communicate externally through the master connection interface 525. The slave connection interface 523 and the master connection interface 525 can be, but are not limited to, USB, IEEE 1394 or other standard transmission interfaces. The main connection interface 525 is electrically connected to the motherboard 100. The image capture device 400 can be connected to one of the slave connection interfaces 523 and electrically connected to the motherboard 100. The remaining slave connection interfaces 523 can be used to connect other test/peripherals to the motherboard 100 to extend the functionality of the test fixture.

As shown in FIG. 7, based on the foregoing embodiment, the present invention further provides a method for detecting the transmission rate of the network interface 110. The network interface 110 shown is the same as that described in the first embodiment or the second embodiment, and details thereof will not be described again. The detection method includes the following steps.

First, the network interface 110 is electrically connected to the motherboard 100 as described in step 110. The aforementioned motherboard 100 has electronic components and runs a test program.

Then, the output pin Tx of the network interface 110 is connected to the receiving pin Rx of the network interface 110, as shown in step 120.

The receiving test circuit is driven by the receiving pin Rx to drive the network interface 110 to output the network signal through the output pin Tx, as shown in step 130.

The image signal from the receiving light emitting device 120 is captured by an image capturing device 400, as shown in step 140.

Finally, the image capturing device 400 transmits the captured image to the motherboard 100 for the test program to analyze the operating state of the network interface 110 through the optical signal emitted by the light guiding component 300, as shown in step 150.

The test program analyzes the optical signal, and judges whether the network interface 110 is operating normally by the chroma or the blinking frequency of the optical signal, as shown in step 160.

If the network interface 110 is working normally, the test program returns the test pass message for display by a display unit, and stores the record, as shown in step 172; if the network interface 110 is not working properly, the test program returns The test failure message is displayed for the display unit, and the record is stored, as shown in step 174.

As shown in FIG. 8, the step 120 of connecting the output pin Tx of the network interface 110 to the receiving pin Rx of the network interface 110 includes the following steps: electrically connecting the primary circuit device 500 At the network interface 110, as shown in step 122.

As shown in FIG. 9, in the case where it is necessary to extend the network signal transmission path, step Step 120 can be further modified as follows.

Connect to the network interface 110 of the network route 510, as shown in step 124. The other end of the connection network route 510 is connected to an adapter plate 520, as shown in step 126. The adapter plate 520 has a first socket 522 and a second socket 524 that are connected to each other, and the mesh route 510 is connected to the first socket 522. A jumper device 530 is connected to the second socket 524 as shown in step 118.

As shown in FIG. 10, in order to improve the capturing effect of the image capturing device 400 without being affected by ambient light, the detecting method may further include a step 130a and a step 130b before the step 130, and a box 200 is provided. And providing an image capturing device in the box 200, and providing a light guiding component 300, the head end 310 of the light guiding component 300 corresponding to the light emitting component 120 of the network interface 110, and the tail end of the light guiding component 300 320 extends into the interior space 200a of the cabinet 200.

The image capturing device 400 captures the image data of the light-emitting component 120, and uses the box 200 and the light guiding component 300 to eliminate ambient light damage, thereby solving the traditional manual visual inspection method, due to many artificial and external factors. The problem arises in that the quality of the detection is different, and the cost of setting up the test host is saved.

Claims (20)

A detecting fixture for detecting a network interface, wherein the network interface has at least one light emitting component, an output pin, and a receiving pin, wherein the light emitting component is configured to display an operating state of the network interface, the output The pin is configured to output a network signal, and the receiving pin is configured to receive the network signal; the detecting fixture comprises: a motherboard having electronic components and running a test program; wherein the network interface is Connected to the motherboard, the test program is used to drive the network interface to output the network signal through the output pin, receive the network signal with the receiving pin, and record the output pin and the receiving pin. a light-emitting element having a head end and a tail end, the head end corresponding to the light-emitting element of the network interface for receiving the light signal emitted by the light-emitting element; an image capturing device, the electricity Connected to the motherboard, the image capturing device captures the optical signal emitted by the light emitting component through the light guiding component; and a loop device electrically connected to the network interface for electrical connection The output pin of the network interface is to the receiving pin of the network interface; wherein the tail end of the light guiding component is for the image capturing device, and the image capturing device transmits the captured image to the motherboard The test program analyzes the operating state of the network interface through the optical signal emitted by the light guiding component. The detecting jig according to claim 1, wherein the light guiding element is a light guiding strip made of an optical fiber or a transparent material. The detection fixture of claim 1, wherein the test program analyzes the operational status of the network interface according to the chroma and the blinking frequency. The detecting fixture of claim 1, further comprising a box having an internal space, the box isolating external light into the internal space; wherein the tail end of the light guiding element extends into the inner space of the box The light signal is emitted; the image capturing device is disposed in the box. The detecting fixture of claim 4, wherein the loop device comprises: a network route, one end of which is connected to the network interface; an adapter board having a first socket and a second socket connected to each other, the network The other end of the route is connected to the first socket; and a jumper device is connected to the second socket for electrically connecting the output pin of the network interface to the receiving pin of the network interface. The detecting jig of claim 5, wherein the net route and the adapter plate are disposed in an inner space of the case. The test fixture of claim 6, wherein the jumper device extends beyond the cabinet. The detection fixture of claim 5, wherein the adapter board further comprises: a hub controller; a plurality of slave connection interfaces electrically connected to the hub controller; and a main connection interface electrically connected to the hub The controllers, the slave connection interfaces collectively communicate externally through the main connection interface. A detecting fixture for detecting a network transmission state of an electronic device, wherein the electronic device has at least one network interface and a motherboard, the network interface having at least one light emitting component, an output pin, and a receiving pin. The illuminating component is configured to display an operating state of the network interface, the output pin is configured to output a network signal, and the receiving pin is configured to receive the network signal; the motherboard has electronic components, and runs a test a program; the network interface is electrically connected to the The test board is configured to drive the network interface to output the network signal through the output pin, receive the network signal by using the receiving pin, and record the output pin and the output of the receiving pin. Receiving state; the detecting fixture comprises: a light guiding component having a head end and a tail end, the head end corresponding to the light emitting component of the network interface to receive the light signal emitted by the light emitting component; and an image capturing device And electrically connected to the motherboard, the image capturing device captures the optical signal emitted by the light emitting component through the light guiding component; and a loop device electrically connected to the network interface for electrically connecting the The output pin of the network interface is to the receiving pin of the network interface; wherein the tail end of the light guiding component is for the image capturing device, and the image capturing device transmits the captured image to the motherboard The test program analyzes the operating state of the network interface through the optical signal emitted by the light guiding component. The detecting fixture of claim 9, wherein the light guiding element is a light guiding strip made of an optical fiber or a transparent material. The detection fixture of claim 9, wherein the test program analyzes the operational status of the network interface according to the chroma and the blinking frequency. The detecting fixture of claim 9, further comprising a box having an internal space, the box isolating external light into the internal space; wherein the tail end of the light guiding element extends into the inner space of the box Middle to emit the optical signal; and the image capturing device is disposed in the casing. The detecting fixture of claim 12, wherein the loop device comprises: a network route, one end of which is connected to the network interface; an adapter board having a first socket and a second socket connected to each other, the network Another route One end is connected to the first socket; and a jumper device is connected to the second socket for electrically connecting the output pin of the network interface to the receiving pin of the network interface. The detecting jig of claim 13, wherein the net route and the adapter plate are disposed in an inner space of the case. The test fixture of claim 13, wherein the jumper device extends beyond the cabinet. The detection fixture of claim 13, wherein the adapter board further comprises: a hub controller; a plurality of slave connection interfaces electrically connected to the hub controller; and a main connection interface electrically connected to the hub The controllers, the slave connection interfaces collectively communicate externally through the main connection interface. A method for detecting a network interface transmission rate, wherein the network interface has at least one light emitting component, an output pin, and a receiving pin, wherein the light emitting component is configured to display an operating state of the network interface, and the output pin For outputting a network signal, and the receiving pin is configured to receive the network signal; the method includes the steps of: electrically connecting the network interface to a motherboard; wherein the motherboard has electronic components and runs a test program; connecting the output pin of the network interface to the receiving pin of the network interface; receiving the test program by the receiving pin to drive the network interface to output the network signal through the output pin; a light guiding component receives the light signal emitted by the light emitting component, wherein a tail end of the light guiding component is facing an image capturing device; Receiving, by the image capturing device, the optical signal transmitted by the light emitting device through the light guiding device; and transmitting the image capturing device to transmit the captured image to the motherboard for the test program to transmit the light guiding device The optical signal sent by the component analyzes the operational status of the network interface. The detecting method of claim 17, further comprising electrically connecting the primary circuit device to the network interface. The detecting method of claim 17, further comprising: connecting a network route to the network interface; connecting the other end of the network route to an adapter board; wherein the adapter board has the first connection a socket and a second socket, the network route is connected to the first socket; and a jumper device is connected to the second socket. The detecting method of claim 17, further comprising a step of disposing a box, and setting the image capturing device in the box, and disposing the light guiding element such that a head end of the light guiding element corresponds to The light emitting element of the network interface extends the tail end of the light guiding element into an inner space of the case.