Cable for camera and camera system

Abstract

The embodiment of the utility model provides a cable for a camera and a camera system. The cable for the camera comprises a main body, a first free end and a second free end, the first free end and the second free end are arranged on the main body, the first free end comprises a first network interface, a first power interface and an indicator light interface with two PINs, and the first free end is used for being connected with the camera; the second free end comprises a second network interface provided with an indicating lamp and a second power interface, the second network interface is used for being connected with external electronic equipment, and the second power interface is used for being connected with power supply equipment so as to supply power to the camera; after the first free end of the cable is connected with the camera, the second free end of the cable is connected with the external electronic device and the power supply device, and the camera is electrically connected with the power supply device through the cable or the camera is connected with the external electronic device through the cable in an Ethernet mode, the indicator light is turned on. According to the embodiment of the utility model, the stable and visual display of the state of the camera is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit control, in particular to a cable for a camera and a camera system. Background Art

[0002] Cameras are widely used in many scenarios. In some scenarios, cameras need to be connected to the Internet to transmit the captured images or videos to a remote host through the network. In some practical applications of cameras, users need to intuitively understand some working states of the camera, such as whether the camera is powered on and whether the camera is connected to the Internet. Utility Model Content

[0003] The embodiment of the utility model provides a camera cable and a camera system to achieve stable and intuitive display of the camera status.

[0004] The technical solution of the utility model embodiment is achieved as follows:

[0005] A cable for a camera comprises: a main body, and a first free end and a second free end arranged on the main body, wherein:

[0006] The first free end includes: a first network interface, a first power interface and an indicator light interface with two PIN pins, and the first free end is used to connect to the camera;

[0007] The second free end includes: a second network interface with an indicator light and a second power interface, wherein the second network interface is used to connect to an external electronic device, and the second power interface is used to connect to a power supply device to supply power to the camera;

[0008] Among them, when the first free end of the cable is connected to the camera, and the second free end is respectively connected to the external electronic device and the power supply device, and the camera establishes an electrical connection with the power supply device via the cable or the camera establishes an Ethernet connection with the external electronic device via the cable, the indicator light is on.

[0009] The first free end further includes: a first audio interface, an alarm input and output interface, and a 485 signal line.

[0010] The second free end further includes: a second audio interface, an alarm output and input interface, and a 485 signal line.

[0011] A camera system, comprising: a cable for a camera and a camera;

[0012] The cable comprises: a first free end and a second free end, wherein:

[0013] The first free end includes: a first network interface, a first power interface and an indicator light interface with two PIN pins, and the first free end is used to connect to the camera;

[0014] The second free end includes: a second network interface with an indicator light and a second power interface, wherein the second network interface is used to connect to an external electronic device, and the second power interface is used to connect to a power supply device to supply power to the camera;

[0015] Wherein, after the first free end of the cable is connected to the camera, and the second free end is respectively connected to the external electronic device and the power supply device, and the camera is electrically connected to the power supply device via the cable or the camera is connected to the external electronic device via the cable through an Ethernet connection, the indicator light is on;

[0016] The camera comprises: a main control chip, an Ethernet physical layer chip and a drive control circuit;

[0017] After the first free end of the cable is connected to the camera and the second free end of the cable is connected to the external electronic device:

[0018] After the main control chip detects the input power signal, the main control chip outputs the second indicator light signal to the drive control circuit, and the drive control circuit outputs the second indicator light signal to the indicator light, so that the indicator light outputs the second indicator light signal;

[0019] After the Ethernet physical layer chip detects that the Ethernet is connected, the Ethernet physical layer chip outputs a first indicator light signal to the drive control circuit, and the drive control circuit outputs the first indicator light signal to the indicator light, so that the indicator light signal outputs the first indicator light signal.

[0020] After the Ethernet physical layer chip detects that the Ethernet is connected, the indicator light signal connection between the main control chip and the drive control circuit is disconnected, and the indicator light signal connection between the Ethernet physical layer chip and the drive control circuit is turned on.

[0021] The drive control circuit comprises: an input port, a first switch input port, a second switch input port and an output port, wherein:

[0022] The input port is connected to the main control chip;

[0023] The first switch input port is connected to the Ethernet physical chip;

[0024] The second switch input port is connected to the main control chip;

[0025] The output port is connected to the indicator light;

[0026] When the input port receives a second electrical signal sent by the main control chip for indicating that the main control chip is powered on, the second path between the second switch input port and the output port is turned on, so that the second indicator light signal from the main control chip received by the second switch input port is transmitted to the output port through the second channel, and then transmitted to the indicator light through the output port, so that the indicator light outputs the second indicator light signal;

[0027] When the input port receives the first electrical signal sent by the main control chip to indicate that the Ethernet is connected, the first channel between the first switch input port and the output port is turned on, so that the first indicator light signal from the Ethernet physical layer chip received by the first switch input port is transmitted to the output port through the first channel, and then transmitted to the indicator light through the output port, so that the indicator light outputs the first indicator light signal.

[0028] In the above embodiment, by adding a drive control circuit to the camera mainboard and an indicator light interface to the camera cable, and by connecting the Ethernet physical layer chip to the drive control circuit, the main control chip to the drive control circuit, and the drive control circuit to the indicator light interface, the camera status is indicated, thereby achieving a stable and intuitive display of the camera status. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 A schematic diagram of the structure of a camera status indication device provided by an embodiment of the utility model;

[0031] Figure 2 A schematic structural diagram of a camera status indication device provided by another embodiment of the utility model;

[0032] Figure 3 This is an example diagram of an indicator light provided by an embodiment of the utility model being embeddedly installed on a socket of an Ethernet port;

[0033] Figure 4 A schematic diagram of the structure of a cable for a camera provided in one embodiment of the utility model;

[0034] Figure 5 A schematic structural diagram of a camera system provided in one embodiment of the utility model. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the present utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0037] Figure 1 A schematic diagram of the structure of a camera status indication device provided by an embodiment of the utility model is shown in FIG. Figure 1 As shown, the device mainly includes: an Ethernet physical layer (PHY) chip 11, a main control chip 12, a drive control circuit 13, a multi-pin (PIN) socket 14 and an indicator light 15, wherein:

[0038] The Ethernet physical layer chip 11, the main control chip 12, the drive control circuit 13 and the multi-pin socket 14 are located on the camera main board, and the indicator light 15 is connected to the multi-pin socket 14 through a drop line;

[0039] The Ethernet physical layer chip 11 is connected to the main control chip 12 via a communication bus;

[0040] The Ethernet physical layer chip 11 is connected to the drive control circuit 13 via a wire;

[0041] The main control chip 12 is connected to the drive control circuit 13 through a wire;

[0042] The driving control circuit 13 is connected to the multi-pin socket 14 through a wire.

[0043] In the above embodiment, by adding a drive control circuit to the camera mainboard and an indicator light on the camera fly line, and by connecting the Ethernet physical layer chip with the main control chip and the drive control circuit, as well as the main control chip with the drive control circuit, and the drive control circuit with a multi-pin socket for connecting the indicator light, the camera status is indicated, thereby achieving a stable and intuitive display of the camera status.

[0044] Figure 1 The camera status indicator device shown realizes the display of the camera networking status through the following process:

[0045] The Ethernet physical layer chip 11 detects that the Ethernet is connected, outputs a first bus signal to the main control chip 12 through the communication bus, and outputs a first indicator light signal to the drive control circuit 13 through the wire;

[0046] The main control chip 12 receives the first bus signal and outputs a first electrical signal to the drive control circuit 13 through a wire;

[0047] When the driving control circuit 13 receives the first electrical signal, it outputs the first indicator light signal to the multi-pin socket 14 through a wire;

[0048] The first indicator light signal is transmitted to the indicator light 15 through the multi-pin socket 14, and the indicator light displays the first indicator light signal for indicating that the camera has been connected to the network.

[0049] Figure 1 The camera status indicator device shown realizes the display of the camera power-on status through the following process:

[0050] The main control chip 12 is powered on, and outputs a second electrical signal to the drive control circuit 13 through a wire;

[0051] The main control chip 12 outputs a second indicator light signal to the drive control circuit 13 through a wire;

[0052] The driving control circuit 13 receives the second electrical signal and outputs the second indicator light signal to the multi-pin socket 14 through a wire;

[0053] The second indicator light signal is transmitted to the indicator light 15 through the multi-pin socket 14, and the indicator light displays the second indicator light signal for indicating that the camera has been powered on.

[0054] Figure 2 A schematic diagram of the structure of a camera status indication device provided by another embodiment of the utility model is shown as follows: Figure 2 As shown, Figure 2 The device shown is Figure 1 Compared to the device shown:

[0055] Figure 1The indicator light 15 is connected to the multi-pin socket 14 through a swing line. Specifically, the positive (+) pole and the negative (-) pole of the indicator light 15 are connected to the positive pole and the negative pole of the multi-pin socket 14 through a swing line respectively;

[0056] Figure 1 The Ethernet physical layer chip 11 is connected to the main control chip 12 through the communication bus. Specifically, the bus interface of the Ethernet physical layer chip 11 is connected to the bus interface of the main control chip 12 through the communication bus;

[0057] Figure 1 The Ethernet physical layer chip 11 is connected to the drive control circuit 13 through a wire. Specifically, the working (ACT) port of the Ethernet physical layer chip 11 is connected to the first switch input port (NO port) of the drive control circuit 13 through a wire;

[0058] Figure 1 The main control chip 12 is connected to the drive control circuit 13 through a wire. Specifically, the first input / output (IO1) port of the main control chip 12 is connected to the input port (IN port) of the drive control circuit 13 through a wire; at the same time, the second input / output (IO2) port of the main control chip 12 is connected to the second switch input port (NC port) of the drive control circuit 13 through a wire;

[0059] Figure 1 The drive control circuit 13 is connected to the multi-pin socket 14 through a wire: the output port (COM port) of the drive control circuit 13 is connected to the negative pole of the multi-pin socket 14 through a wire.

[0060] In an optional embodiment, a second resistor R2 is connected in series between the output port of the drive control circuit 13 and the negative pole of the multi-pin socket 14. The function of the second resistor R2 is to control the brightness of the first indicator light signal or the second indicator light signal input to the multi-pin socket 14 to a required brightness.

[0061] in addition, Figure 2 In the figure, V+ is a power supply port, GND is a ground port, and V1 and V2 are power supplies. Resistor R1 and capacitor C1 are conventional components used in the drive control circuit 13, and resistor R3, capacitor C2 and capacitor C3 are conventional components used in the multi-pin socket 14, which will not be described in detail in the present invention.

[0062] Figure 2 The camera status indicator device shown realizes the display of the camera networking status through the following process:

[0063] The Ethernet physical layer chip 11 detects that the Ethernet is connected, and sends a first bus signal through the bus interface, and the first bus signal reaches the bus interface of the main control chip 12 through the communication bus; at the same time, the Ethernet physical layer chip 11 outputs a first indicator light signal through the working (ACT) port, and the first indicator light signal reaches the first switch input port (NO port) of the drive control circuit 13 through a wire; wherein the first indicator light signal is such as a high-low transition signal, and in addition, the first indicator light signal can also indicate the strength of the Ethernet signal through the transition frequency, that is, the stronger the Ethernet signal, the higher the transition frequency, and the weaker the Ethernet signal, the lower the transition frequency;

[0064] The main control chip 12 receives the first bus signal from the bus interface, sends out a first electrical signal through the first input / output (IO1) port, and the first electrical signal reaches the input port (IN port) of the drive control circuit 13 through the wire; wherein the first electrical signal is, for example, a high level signal;

[0065] When the drive control circuit 13 receives the first electrical signal from the input port (IN port), the first path (NO—>COM) between the first switch input port (NO port) and the output port (COM port) is connected, so that the first indicator light signal received by the first switch input port (NO port) reaches the output port (COM port) through the first path, and the first indicator light signal then reaches the negative pole of the multi-pin socket 14 via the wire between the output port (COM port) and the negative pole of the multi-pin socket 14, and the first indicator light signal then reaches the negative pole of the indicator light 15 via the wire between the negative pole of the multi-pin socket 14 and the negative pole of the indicator light 15, and the indicator light 15 displays the first indicator light signal used to indicate that the camera has been connected to the network.

[0066] Figure 2 The camera status indicator device shown realizes the display of the camera power-on status through the following process:

[0067] The main control chip 12 is powered on, and sends out a second electrical signal through the first input / output (IO1) port, and the second electrical signal reaches the input port (IN port) of the drive control circuit 13 through a wire; at the same time, the main control chip 12 sends out a second indicator light signal through the second input / output (IO2) port, and the second indicator light signal reaches the second switch input port (NC port) of the drive control circuit 13 through a wire; wherein the second electrical signal is, for example, a low-level signal; and the second indicator light signal is, for example, a constantly on signal;

[0068] When the drive control circuit 13 receives the second electrical signal from the input port (IN port), the second path (NC—>COM) between the second switch input port (NC port) and the output port (COM port) is connected, so that the second indicator light signal received by the second switch input port (NC port) reaches the output port (COM port) through the second path, and the second indicator light signal then reaches the negative pole of the multi-pin socket 14 via the wire between the output port (COM port) and the negative pole of the multi-pin socket 14, and the second indicator light signal then reaches the negative pole of the multi-pin socket 14 via the wire between the negative pole of the multi-pin socket 14 and the negative pole of the indicator light 15, and the indicator light 15 displays the second indicator light signal used to indicate that the camera has been powered on.

[0069] It should be noted that, for the drive control circuit 13, the output port can only be connected to one of the first switch input port and the second switch input port at the same time, that is, when the output port is connected to the first switch input port, it must be disconnected from the second switch input port, and vice versa.

[0070] In actual applications, when the Ethernet physical layer chip 11 receives an Ethernet signal sent from the Ethernet port, it is confirmed that the Ethernet is connected.

[0071] In an optional embodiment, the Ethernet physical layer chip 11 is connected to the Ethernet port via a multi-pin socket (eg, an 8-pin socket) on the camera mainboard, and the multi-pin socket and the Ethernet port are connected via a drop line.

[0072] In an optional embodiment, when the Ethernet physical layer chip 11 is connected to the Ethernet port through a multi-pin socket on the camera mainboard, and the multi-pin socket and the Ethernet port are connected through a swing line, the indicator light can be embedded in the seat of the Ethernet port. Among them, the indicator light 15 and the Ethernet port can share a multi-pin socket 14, the Ethernet port is connected to some pins (such as: 8PIN) in the multi-pin socket 14 through the swing line and then connected to the Ethernet physical layer chip 11, and the indicator light 15 is connected to another part of the pins (such as: 2PIN) in the multi-pin socket 14 through the swing line and then connected to the drive control circuit 13.

[0073] Figure 3 This is an example diagram of an indicator light 15 embedded in a socket of an Ethernet port, wherein 31 is the socket of the Ethernet port and 32 is the interior of the wire.

[0074] In an optional embodiment, the main control chip 12 may be a system on chip (SOC).

[0075] Figure 4 A schematic diagram of the structure of a camera cable provided in one embodiment of the utility model, as shown in FIG. Figure 4As shown, it mainly includes: a main body, and a first free end and a second free end arranged on the main body, wherein:

[0076] The first free end includes: a first network interface, a first power interface and an indicator light interface with two PIN pins, and the first free end is used to connect to the camera;

[0077] The second free end includes: a second network interface with an indicator light and a second power interface, wherein the second network interface is used to connect to an external electronic device, and the second power interface is used to connect to a power supply device to supply power to the camera;

[0078] The second network interface is connected to the first network interface, the second power interface is connected to the first power interface, and the two PIN pins in the indicator light interface are respectively connected to the positive and negative poles of the indicator light;

[0079] Among them, when the first free end of the cable is connected to the camera, and the second free end is respectively connected to the external electronic device and the power supply device, and the camera establishes an electrical connection with the power supply device via the cable or the camera establishes an Ethernet connection with the external electronic device via the cable, the indicator light is on.

[0080] Among them, cables such as: swing cables.

[0081] In an optional embodiment, the first free end further includes: a first audio interface, an alarm input and output interface, and a 485 signal line.

[0082] In an optional embodiment, the second free end further includes: a second audio interface, an alarm output and input interface, and a 485 signal line.

[0083] Among them, one end of the first audio interface of the first free end is connected to the second audio interface of the second free end, and the other end is connected to the camera; one end of the alarm input and output interface of the first free end is connected to the alarm output and input interface of the second free end, and the other end is connected to the camera; one end of the 485 signal line of the first free end is connected to the 485 signal line of the second free end, and the other end is connected to the camera.

[0084] Figure 5 A schematic diagram of the structure of a camera system provided by an embodiment of the present invention is shown in FIG. Figure 5 As shown, the system mainly includes: Figure 4 The cable for a camera and the camera;

[0085] Cameras include: Figure 1 or Figure 2The Ethernet physical layer chip 11, the main control chip 12 and the drive control circuit 13 shown in the figure also include: a power module; wherein the power module is connected to the first power interface of the first free end of the camera cable, and is connected to the main control chip 12 at the same time, so as to supply power to the main control chip 12, and the power module can also be connected to the Ethernet physical layer chip 11 and the drive control circuit 13, so as to supply power to the Ethernet physical layer chip 11 and the drive control circuit 13; the Ethernet physical layer chip 11 is connected to the first network interface of the first free end of the camera cable, and the drive control circuit 13 is connected to the indicator light interface of the first free end of the camera cable; the main control chip 11 is also respectively connected to the first audio interface, the alarm input and output interface, and the 485 signal line of the first free end of the camera cable;

[0086] After the first free end of the cable is connected to the camera and the second free end of the cable is connected to the external electronic device:

[0087] After the main control chip 12 detects the input power signal, the main control chip 12 outputs the second indicator light signal to the drive control circuit 13, and the drive control circuit 13 outputs the second indicator light signal to the indicator light 15, so that the indicator light 15 outputs the second indicator light signal; wherein, when the power module of the camera receives the power signal from the first power interface and transmits the power signal to the main control chip 12, the main control chip 12 detects the input power signal;

[0088] After the Ethernet physical layer chip 11 detects that the Ethernet is connected, the Ethernet physical layer chip 11 outputs a first indicator light signal to the drive control circuit 13, and the drive control circuit 13 outputs the first indicator light signal to the indicator light 15, so that the indicator light 15 outputs the first indicator light signal.

[0089] In an optional embodiment, after the Ethernet physical layer chip 11 detects that the Ethernet is connected, the indicator light signal connection between the main control chip 12 and the drive control circuit 13 is disconnected, and the indicator light signal connection between the Ethernet physical layer chip 11 and the drive control circuit 13 is turned on.

[0090] In an optional embodiment, if Figure 2 As shown, the drive control circuit 13 includes: an input port (IN port), a first switch input port (NO port), a second switch input port (NC port) and an output port (COM port), wherein:

[0091] The input port is connected to the main control chip 12;

[0092] The first switch input port is connected to the Ethernet physical chip 11;

[0093] The second switch input port is connected to the main control chip 12;

[0094] The output port is connected to the indicator light 15;

[0095] When the input port receives the second electrical signal sent by the main control chip 12 for indicating that the main control chip 12 is powered on, the second path between the second switch input port and the output port is turned on, so that the second indicator light signal from the main control chip 12 received by the second switch input port is transmitted to the output port through the second channel, and then transmitted to the indicator light 15 through the output port, so that the indicator light 15 outputs the second indicator light signal;

[0096] When the input port receives the first electrical signal sent by the main control chip 12 to indicate that the Ethernet is connected, the first channel between the first switch input port and the output port is turned on, so that the first indicator light signal from the Ethernet physical layer chip 11 received by the first switch input port is transmitted to the output port through the first channel, and then transmitted to the indicator light 15 through the output port, so that the indicator light 15 outputs the first indicator light signal.

[0097] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims disclosed in this application may be combined and / or combined in a variety of ways, even if such combinations and / or combinations are not explicitly described in this application. In particular, without departing from the spirit and teachings of this application, the features described in the various embodiments and / or claims of this application may be combined and / or combined in a variety of ways, and all of these combinations and / or combinations fall within the scope disclosed in this application.

[0098] The principles and implementation methods of the present invention are described in detail using specific embodiments. The description of the above embodiments is only used to help understand the method and core ideas of the present invention, and is not intended to limit the present application. For those skilled in the art, changes can be made in the specific implementation methods and application scopes based on the ideas, spirits and principles of the present invention, and any modifications, equivalent substitutions, improvements, etc. made by them should be included in the scope of protection of this application.

Claims

1. A camera cable, characterized in that: include: A main body, and a first free end and a second free end disposed on the main body, wherein: The first free end includes: a first network interface, a first power interface and an indicator light interface with two PIN pins, and the first free end is used to connect to the camera; The second free end includes: a second network interface with an indicator light and a second power interface, wherein the second network interface is used to connect to an external electronic device, and the second power interface is used to connect to a power supply device to supply power to the camera; Among them, when the first free end of the cable is connected to the camera, and the second free end is respectively connected to the external electronic device and the power supply device, and the camera establishes an electrical connection with the power supply device via the cable or the camera establishes an Ethernet connection with the external electronic device via the cable, the indicator light is on.

2. The cable according to claim 1, characterized in that: The first free end further includes: a first audio interface, an alarm input and output interface, and a 485 signal line.

3. The cable according to claim 1, characterized in that: The second free end further includes: a second audio interface, an alarm output and input interface, and a 485 signal line.

4. A camera system, characterized in that: include: Cables and cameras for cameras; The cable comprises: a first free end and a second free end, wherein: The first free end includes: a first network interface, a first power interface and an indicator light interface with two PIN pins, and the first free end is used to connect to the camera; The second free end includes: a second network interface with an indicator light and a second power interface, wherein the second network interface is used to connect to an external electronic device, and the second power interface is used to connect to a power supply device to supply power to the camera; Wherein, after the first free end of the cable is connected to the camera, and the second free end is respectively connected to the external electronic device and the power supply device, and the camera is electrically connected to the power supply device via the cable or the camera is connected to the external electronic device via the cable through an Ethernet connection, the indicator light is on; The camera comprises: a main control chip, an Ethernet physical layer chip and a drive control circuit; After the first free end of the cable is connected to the camera and the second free end of the cable is connected to the external electronic device: After the main control chip detects the input power signal, the main control chip outputs the second indicator light signal to the drive control circuit, and the drive control circuit outputs the second indicator light signal to the indicator light, so that the indicator light outputs the second indicator light signal; After the Ethernet physical layer chip detects that the Ethernet is connected, the Ethernet physical layer chip outputs a first indicator light signal to the drive control circuit, and the drive control circuit outputs the first indicator light signal to the indicator light, so that the indicator light signal outputs the first indicator light signal.

5. The camera system according to claim 4, characterized in that After the Ethernet physical layer chip detects that the Ethernet is connected, the indicator light signal connection between the main control chip and the drive control circuit is disconnected, and the indicator light signal connection between the Ethernet physical layer chip and the drive control circuit is turned on.

6. The camera system according to claim 4, characterized in that The drive control circuit comprises: an input port, a first switch input port, a second switch input port and an output port, wherein: The input port is connected to the main control chip; The first switch input port is connected to the Ethernet physical chip; The second switch input port is connected to the main control chip; The output port is connected to the indicator light; When the input port receives a second electrical signal sent by the main control chip for indicating that the main control chip is powered on, the second path between the second switch input port and the output port is turned on, so that the second indicator light signal from the main control chip received by the second switch input port is transmitted to the output port through the second channel, and then transmitted to the indicator light through the output port, so that the indicator light outputs the second indicator light signal; When the input port receives the first electrical signal sent by the main control chip to indicate that the Ethernet is connected, the first channel between the first switch input port and the output port is turned on, so that the first indicator light signal from the Ethernet physical layer chip received by the first switch input port is transmitted to the output port through the first channel, and then transmitted to the indicator light through the output port, so that the indicator light outputs the first indicator light signal.

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