KR200299389Y1 - A connecting device of serial cable for multi-remote client computer - Google Patents

Abstract

The present invention relates to an RS-232 serial cable connection device in which a plurality of client computers can remotely access a system computer simultaneously using a server computer. A system computer for serial data communication; A server computer connected to the system computer through a serial cable to perform RS 232 hour serial data communication; An internet for accessing the server computer to perform TSI data communication; The client computer is connected to the Internet and comprises a plurality of customer computers that communicate data with the server computer in a TSI piapi manner. There is an industrial advantage to connecting to a system computer via a single RS232 cable.

Description

A multi-connect serial cable connector {A CONNECTING DEVICE OF SERIAL CABLE FOR MULTI-REMOTE CLIENT COMPUTER}

The present invention relates to a device in which a system computer and a plurality of customer computers simultaneously perform serial data communication using an RS-232C serial cable. In particular, a server computer allows a plurality of customer computers to simultaneously The RS232 serial cable connection device can be connected to the system computer.

Serial (serial) communication is to transmit one signal at a time, as opposed to parallel (parallel) communication, where multiple signals are transmitted simultaneously.

In the optical communication system using the optical cable, the high speed data communication in the unit of GIGA is performed by the serial communication method, that is, the data signal is transmitted at the high speed by using the serial communication method, and the serial connection or the serial connection is performed in general computer or data communication. Communication refers to a simple and slow communication method, and parallel connection or parallel communication refers to a complicated and fast communication method.

In a typical computer (PC) is connected to the printer (PRINTER) as a peripheral device to send and receive the corresponding data quickly, the keyboard or mouse is connected to the serial interface because it transmits data in only one direction, serial communication by the serial interface Follows the RS-232C standard published by the American Institute of Electronics Engineers (EIA).

Hereinafter, the RS-232C system serial cable connection device according to the prior art will be described with reference to the accompanying drawings.

1 is a functional block diagram of an RS-232C serial cable connection device according to the prior art.

Referring to FIG. 1, the RS-232C serial cable connection device according to the prior art has a plurality of functional units gathered to perform a predetermined set function, and at the same time, an RS-232C interface. A system computer 10 having a function;

A serial cable 20 connected to the system computer 10 for transmitting data transmitted / received serially in an RS-232C manner;

It is composed of a customer computer 30 connected to the serial cable 20 to transmit and receive RS-232C data and at the same time have an RS-232C interface function.

Hereinafter, an RS-232C serial cable connection device according to the related art having the above configuration will be described in detail with reference to the accompanying drawings.

The system computer 10 is composed of a plurality of circuit boards (CIRCUIT BOARD) having independent functions, each having an interface (INTERFACE) for transmitting and receiving RS-232C system serial data communication signal, The serial cable 20 is connected through the RS-232C system serial data interface, and is connected to the customer computer 30 through the serial cable 20.

Since the computer 30 is also provided with an RS-232C interface (I / F: INTERFACE), the system computer 10 and the customer computer 30 are RS-232C. Serial connection by serial method and serial data communication.

However, in the above-described serial data communication system, there is a problem that the system computer 10 is connected to one customer computer 30 at a time.

That is, when the system computer 10 is connected by the RS-232C method according to the prior art, there is a problem that the system computer 10 should be connected to one customer computer 30 at a time.

In addition, the RS-232C method according to the prior art has a problem in that signal-to-noise performance is relatively bad, and thus a long distance or remote connection cannot be made.

It is an object of the present invention to provide a serial cable connection device that allows multiple remote customer computers to simultaneously connect to a server computer functioning as a server and connect the system computer to the RS 232 system in a serial manner.

The present invention devised in order to achieve the above object is a system computer for performing serial data communication by the RS232 interface at the same time a number of functional units gathered and set function; A server computer connected to the system computer through a serial cable to perform RS 232 hour serial data communication; An internet for accessing the server computer to perform TSI data communication; And a plurality of customer computers connected to the Internet and communicating data with the server computer in a TSI.

1 is a functional block diagram of the RS 232 serial cable connection device according to the prior art,

2 is a functional diagram of a serial cable connection device of the remote RS 232 in the present invention.

** Explanation of symbols on the main parts of the drawing **

10,100: system computer 20,200: serial cable

30,500: Customer Computer 300: Server Computer

400: Internet

Hereinafter, with reference to the accompanying drawings, a remote multi-party RS 232 hour type serial cable connection device according to the present invention will be described.

Attached to explain the present invention, Figure 2 is a schematic diagram of the serial cable connection device function of RS 232 remote multi-function according to the present invention.

Referring to FIG. 2, the serial cable connection apparatus of the remote multi-party RS 232 according to the present invention,

A system computer 100 which performs a set function by a large number of predetermined function units and performs serial data communication by RS-232C interface (I / F: INTERFACE),

A server computer 300 connected to the system computer 100 through a serial cable 200 and performing serial data communication through an RS-232C system serial cable;

The Internet 400 is connected to the server computer 300 and performs data communication with TCP / IP (TCP / IP: TRANSMISSION CONTROL PROTOCOL / INTERNET PROTOCOL) method.

A plurality of customer computers 500 connected to the Internet 400 and communicating data with the server computer 300 in a TCP / IP method are provided.

In addition, the server computer 300 performs serial data communication with the system computer 100 through an RS-232C (RS-232C) type serial cable, and the TCP computer with the plurality of customer computers 500 (TCP). / IP) method to communicate the plurality of customer computers 500 with the system computer 100 by the server (SERVER) function while communicating data.

Hereinafter, with reference to the accompanying drawings, a remote multi-party RS 232 hour serial cable connection device according to the present invention of the above configuration will be described in detail.

The system computer 100 of the present invention is connected to a plurality of customer computers 500 remotely via the server computer 300 to the RS-232C (RS-232C) method and serial data communication.

In general, the RS-232C communication method is a serial communication method in which the system computer 100 and one customer computer 500 can communicate by connecting at one time. The system computer 100 that can communicate in a serial communication method is generally large in data processing capacity, and may need to be connected to a plurality of customer computers 500 due to its characteristics. It may be necessary to connect.

The system computer 100 for serial communication as described above is connected to the server computer 300 via the serial cable 200 to transmit and receive serial data, and the server computer 300 is connected to the system computer 100 at the same time It is also connected to the Internet 400.

The server computer 300 transmits and receives data to and from the connected Internet 400 in a TCP / IP manner.

That is, the server computer 300 transmits the data input by the TCP / IP method from the Internet 400 capable of remote connection to the system computer 100 as serial data of the RS-232C method. In other words, the data applied in the opposite direction to the Internet 400 may be transmitted to the Internet 400 in a TCP / IP manner.

In addition, a plurality of customer computers 500 are remotely connected to the Internet 400 to transmit and receive various data in a TCP / IP method.

According to the present invention of the above configuration, a plurality of customer computers 500 remotely connected in a TCP / IP manner through the Internet 400 are simultaneously connected with the server computer 300, and the server computer 300 is connected to the RS 232. Serial data communication is performed by connecting to the system computer 100 through a serial cable of RS-232C type.

That is, the system computer 100 is connected to the server computer 300 by the RS-232C (RS-232C) method, the server computer 300 is remotely connected to the Internet 400 by TCP / IP method In addition, the Internet 400 is remotely connected to the plurality of customer computers 500 by TCP / IP.

Therefore, a plurality of customer computers 500 at a remote site are connected to the server computer 300 by TCP / IP and transmit and receive the corresponding data, and the data generated by the plurality of customer computers 500 at the remote site is the server computer. 300 is transmitted to and received from the system computer 100 connected in an RS-232C manner.

Therefore, a plurality of customer computers 500 connected in a TCP / IP manner at a remote site make an RS-232C connection with the system computer 100 and transmit and receive data serially.

The remote multi-party serial cable connection device according to the present invention having the above-described configuration is an industrial method in which a plurality of customer computers simultaneously connected in a TCP / IP manner are remotely connected to a system computer and serially connected to the system computer in an RS-232 format. Use effect

In addition, there is an industrial use effect that the customer computer can be connected to the system computer in the 232 RS system at a remote location, and multiple customer computers are simultaneously connected to the system computer through a single RS 232 cable.

Claims (2)

A system computer that performs serial data communication through the RS232 interface at the same time that a plurality of function units are gathered and set functions, A server computer connected to the system computer through a serial cable to perform RS 232 hour serial data communication; The Internet, which is connected to the server computer to perform TSI data communication; And a plurality of customer computers connected to the Internet and communicating data with the server computer in a TSI piapi manner. According to claim 1, The server computer performs data communication with the system computer in an RS 232 o'clock manner, and the plurality of customer computers are connected to the system computer by a server function while communicating data with the plurality of customer computers. Remote multiparty serial cable connection.