CN214011950U - KVM fiber matrix - Google Patents

Abstract

The utility model provides a novel KVM fiber matrix, including the optic fibre module of switching, the optic fibre card, KVM fiber transmitter and KVM fiber receiver, the optic fibre module of switching is used for transmitting the data of optic fibre card for corresponding fiber card after switching, the fiber card is used for sending KVM fiber transmitter and KVM fiber receiver's input/output fiber signal to insert, KVM fiber transmitter is used for converting video audio signal embedding into serial data, the serial data that will receive is deconnected and is converted into the USB signal, KVM fiber receiver is used for converting serial data deconnected and is converted into video signal and audio signal, with mouse, the USB signal embedding of keyboard converts into serial data. The utility model discloses a KVM fiber matrix realizes that a user uses a keyboard, mouse and display to accomplish the switching between many servers.

Description

KVM fiber matrix

Technical Field

The utility model relates to a novel KVM fiber matrix.

Background

With the rapid development of information technology, the remote maintenance and management of the system are also important problems faced by these large systems, and it is obvious that in the past, the man-machine conversation management mode in one space where man and machine are located cannot meet the current requirement of multi-scene, multi-application and multi-network-segment fast cooperative office, and the KVM is an important means for realizing the remote management and maintenance of the system through a remote keyboard, a remote mouse and a remote display and ensuring the 24-hour uninterrupted and stable operation of the system.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's defect, provide one kind and can realize visiting and the KVM fiber matrix of control computer through long-range keyboard, mouse and display.

A novel KVM optical fiber matrix comprises an optical fiber switching module, an optical fiber card, a KVM optical fiber transmitter and a KVM optical fiber receiver;

the optical fiber switching module is used for switching the data of the optical fiber card and transmitting the data to the corresponding optical fiber card;

the optical fiber card is used for connecting the input and output optical fiber signals of the KVM optical fiber transmitter and the KVM optical fiber receiver;

the KVM fiber transmitter is used for embedding and converting the video and audio signals into serial data and de-embedding and converting the received serial data into USB signals;

the KVM optical fiber receiver is used for de-embedding and converting serial data into video signals and audio signals and embedding and converting USB signals of a mouse and a keyboard into serial data;

the structure of the optical fiber switching module is as follows: the plurality of optical fiber cards are connected with the main board respectively according to the sequence, and the main board is connected with the plurality of optical fiber cards.

The structure of the optical fiber card module is as follows: the optical fiber module is connected with the high-speed connector, and the high-speed connector is connected with the mainboard.

The structure of the KVM fiber transmitter is as follows: converting a video signal of a PC host into a 30-bit LVTTL data interface through a receiving chip of HDMI2.0, and accessing LVTTL data into an FPGA; connecting the audio frequency of the PC host with an audio frequency analog-to-digital conversion chip, and connecting the output IIS data with the FPGA; the accessed video and audio signals are converted into 1-path serdes serial data through the FPGA, and then the serial data are sent through an optical fiber line. Connecting a USB interface of a PC host with an RS 232-to-USB conversion chip, connecting received serdes data with an FPGA (field programmable gate array) through 1 path of optical fiber, converting the 1 path of serdes data into RS232 data by the FPGA, and accessing an RS232 signal output by the FPGA into the conversion chip;

the structure of the KVM fiber receiver is as follows: the method comprises the steps that serdes data are received through 1 path of optical fiber and connected with an FPGA (field programmable gate array), the FPGA converts the 1 path of serdes data into 30-bit LVTTL data and IIS data, the LVTTL data are converted into video signals through a transmitting chip of an HDMI2.0, and the IIS data are converted into audio signals through an audio digital-to-analog conversion chip; USB signals of a mouse and a keyboard are converted into RS232 data through a USB-to-RS 232 chip to be input into the FPGA, the data are converted into 1-path serial data through the FPGA, and then the serial data are sent through an optical fiber line.

The utility model discloses a KVM fiber matrix realizes that a user uses a keyboard, mouse and display to accomplish the switching between many servers, and then saves space, and reduce cost for it is more simple and easy convenient to manage, with promotion work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an optical fiber switching module.

Fig. 2 is a functional block diagram of the optical fiber card.

Fig. 3 is a functional block diagram of a 4K fiber optic transmitter.

Fig. 4 is a functional block diagram of a 4K fiber optic receiver.

Detailed Description

A novel KVM fiber matrix, as shown in FIGS. 1-4, includes a fiber switch module, a fiber card, a KVM fiber transmitter and a KVM fiber receiver.

The optical fiber switching module is used for switching the data of the optical fiber card and transmitting the data to the corresponding optical fiber card;

the optical fiber card is used for connecting the input and output optical fiber signals of the KVM optical fiber transmitter and the KVM optical fiber receiver;

the KVM fiber transmitter is used for embedding and converting the video and audio signals into serial data and de-embedding and converting the received serial data into USB signals;

the KVM optical fiber receiver is used for de-embedding and converting serial data into video signals and audio signals and embedding and converting USB signals of a mouse and a keyboard into serial data.

As shown in fig. 1, the structure of the optical fiber switching module is: the plurality of optical fiber cards are connected with the main board respectively according to the sequence, and the main board is connected with the plurality of optical fiber cards.

As shown in fig. 2, the structure of the fiber card module is: the optical fiber module is connected with the high-speed connector, and the high-speed connector is connected with the mainboard.

As shown in fig. 3, the functional block diagram of the KVM fiber transmitter is: converting a video signal of a PC host into a 30-bit LVTTL data interface through a receiving chip of HDMI2.0, and accessing LVTTL data into an FPGA; connecting the audio frequency of the PC host with an audio frequency analog-to-digital conversion chip, and connecting the output IIS data with the FPGA; the accessed video and audio signals are converted into 1-path serdes serial data through the FPGA, and then the serial data are sent through an optical fiber line. The USB interface of the PC host is connected with the RS 232-to-USB conversion chip, the received serdes data is connected with the FPGA through 1 path of optical fiber, the FPGA converts the 1 path of serdes data into the RS232 data, and the RS232 signal output by the FPGA is accessed into the conversion chip.

As shown in fig. 4, the functional block diagram of the KVM fiber optic receiver is: serdes data are received through 1 path of optical fiber and connected with the FPGA, the FPGA converts the 1 path of serdes data into 30-bit LVTTL data and IIS data, the LVTTL data are converted into video signals through a transmitting chip of the HDMI2.0, and the IIS data are converted into audio signals through an audio digital-to-analog conversion chip. USB signals of a mouse and a keyboard are converted into RS232 data through a USB-to-RS 232 chip to be input into the FPGA, the data are converted into 1-path serial data through the FPGA, and then the serial data are sent through an optical fiber line.

The utility model discloses a KVM fiber matrix realizes that a user uses a keyboard, mouse and display to accomplish the switching between many servers, and then saves space, and reduce cost for it is more simple and easy convenient to manage, with promotion work efficiency.

Claims (1)

1. A KVM fiber optic matrix, comprising: the KVM optical fiber switching module comprises an optical fiber switching module, an optical fiber card, a KVM optical fiber transmitter and a KVM optical fiber receiver;

the optical fiber switching module is used for switching the data of the optical fiber card and transmitting the data to the corresponding optical fiber card;

the optical fiber card is used for connecting the input and output optical fiber signals of the KVM optical fiber transmitter and the KVM optical fiber receiver;

the KVM fiber transmitter is used for embedding and converting the video and audio signals into serial data and de-embedding and converting the received serial data into USB signals;

the KVM optical fiber receiver is used for de-embedding and converting serial data into video signals and audio signals and embedding and converting USB signals of a mouse and a keyboard into serial data;

the structure of the optical fiber switching module is as follows: the plurality of optical fiber cards are connected with the main board in sequence, and the main board is connected with the plurality of optical fiber cards;

the structure of the optical fiber card module is as follows: the optical fiber module is connected with the high-speed connector, and the high-speed connector is connected with the mainboard;

the structure of the KVM fiber transmitter is as follows: converting a video signal of a PC host into a 30-bit LVTTL data interface through a receiving chip of HDMI2.0, and accessing LVTTL data into an FPGA; connecting the audio frequency of the PC host with an audio frequency analog-to-digital conversion chip, and connecting the output IIS data with the FPGA; converting the accessed video and audio signals into 1-path serdes serial data through the FPGA, and then sending the serial data through an optical fiber line; connecting a USB interface of a PC host with an RS 232-to-USB conversion chip, connecting received serdes data with an FPGA (field programmable gate array) through 1 path of optical fiber, converting the 1 path of serdes data into RS232 data by the FPGA, and accessing an RS232 signal output by the FPGA into the conversion chip;

the structure of the KVM fiber receiver is as follows: the method comprises the steps that serdes data are received through 1 path of optical fiber and connected with an FPGA (field programmable gate array), the FPGA converts the 1 path of serdes data into 30-bit LVTTL data and IIS data, the LVTTL data are converted into video signals through a transmitting chip of an HDMI2.0, and the IIS data are converted into audio signals through an audio digital-to-analog conversion chip; USB signals of a mouse and a keyboard are converted into RS232 data through a USB-to-RS 232 chip to be input into the FPGA, the data are converted into 1-path serial data through the FPGA, and then the serial data are sent through an optical fiber line.

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