JPH04212555A - Remote operation system for computer - Google Patents

Abstract

PURPOSE:To enable operations from a distant place without adding any communication processing part to a computer concerning the remote operation system for the computer. CONSTITUTION:A computer 100 is connected through a display data transmitting means 410 and an operation data receiving means 420 to an exchange network 200 and a display 310 and a keyboard 320 are connected through a display data receiving means 510 and an operation data transmitting means 520 to the exchange network 200 so as to display a display data outputted from the computer 100 through the exchange network 200 to the display 310 and to input an operation data inputted from the keyboard 320 through the exchange network 200 to the computer 100.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a computer remote control method for operating a computer from a remote location. When testing an information processing system, a test calculator, such as a personal computer, is installed adjacent to the system to be tested, and a keyboard attached to the personal computer is operated to input various test data. Test result data output from a system under test is usually displayed on a display attached to a personal computer.

However, in recent years, with the decentralization of development bases for information processing systems, testing of information processing systems is increasingly being performed while operating in areas far away from the system being tested.

0003

2. Description of the Related Art FIG. 5 is a diagram showing an example of a conventional remote control system. In Figure 5, the test target switch (TSW)
1 is a personal computer (PC) equipped with a display (CRT) 21 and a keyboard (KB) 22.
) 2 are installed adjacent to each other, and a personal computer (PC) 2 inputs various test data input from a keyboard (KB) 22 to the switching system under test (TSW) 1, and The test result data output from 1 is displayed on a display (CRT) 21.

[0004] In order to test the switch under test (TSW) 1 from a remote location, a personal computer (PC) 3 equipped with a display (CRT) 31 and a keyboard (KB) 32 is installed at the remote location. , each personal computer (PC) 2 and 3 has a communication processing unit (
CM) 25 and 35 are provided, and each modulator/demodulator (MD
) 41 and 42 to an analog switching network (AN) 4.

[0005] When testing the switch under test (TSW) 1 from a remote location, a personal computer (P
C) After transmitting a call from 3 to the analog switching network (AN) 4 and setting up a communication path with the personal computer (PC) 2, a keyboard (KB) attached to the personal computer (PC) 3 at a remote location is sent. The communication processing unit (CM) 35 converts various test data input from the 32 into a format that can be transmitted via the analog switching network (AN) 4, and transmits it via the modulator/demodulator (MD) 42 to the analog switching network ( AN)4
Send to.

[0006] A personal computer (PC) 2 adjacent to the switch under test (TSW) 1 is connected to an analog switching network (TSW) 1.
The converted test data transmitted via the communication path set in AN) 4 is converted into a format that can be input to the test target switch (TSW) 1 by the communication processing unit (CM) 25, and input to the switching system (TSW) 1 and execute the required test operation.

Further, the personal computer (PC) 2 is capable of transmitting test result data output from the switching device under test (TSW) 1 via the analog switching network (AN) 4 by means of a communication processing unit (CM) 25. format and sends it to an analog switching network (AN) 4 via a modulator/demodulator (MD) 41.

[0008] Personal computer (PC) at a remote location
3 transmits the converted test result data transmitted via the communication path set to the analog switching network (AN) 4.
Display (CRT) by communication processing unit (CM) 35
Convert it to a format that can be displayed on 31 and display it on a display (CRT).
)31 to display the required test results.

[0009]

[Problems to be Solved by the Invention] As is clear from the above explanation, in the conventional remote control system, a personal computer (PC) 3 is also installed in a remote location, and the distance between the personal computers (PC) 2 and 3 is Since test data and test result data were being sent and received using
CM) 25 and 35, and the test application programs (AP) 24 and 34 installed on each personal computer (PC) 2 and 3 have changed due to changes in test targets, test items, etc. It is necessary to change the communication processing units (CM) 25 and 35 each time the communication processing unit (CM) is changed.
It is also necessary to perform tests No. 25 and No. 35, which may require the tester to spend a great deal of effort.

SUMMARY OF THE INVENTION An object of the present invention is to enable a computer to be operated remotely without adding a communication processing section that requires a lot of effort to the computer.

[0011]

Means for Solving the Problems FIG. 1 is a diagram showing the principle of the present invention. In FIG. 1, 100 is a computer to be operated, 200 is a switching network that establishes a communication path with a remote location, and 310 and 320 are a display and a keyboard installed at locations remote from the computer 100.

Reference numeral 410 denotes display data transmitting means installed between the computer 100 and the switching network 200 according to the present invention. 420 connects the computer 100 and the switching network 20 according to the present invention.
This is an operation data receiving means installed between 0 and 0.

510 is a display 31 according to the present invention.
0 and the switching network 200. 520 is an operation data transmitting means installed between the keyboard 320 and the exchange network 200 according to the present invention.

[0014]

[Operation] Display data transmitting means 410 converts display data output from computer 100 into a format that can be transmitted via exchange network 200 and transmits it to display data receiving means 510 via exchange network 200.

The display data receiving means 510 converts the converted display data transmitted from the display data transmitting means 410 via the exchange network 200 into a format that can be displayed on the display 310 and transmits the converted display data to the display 310.

The operation data transmitting means 520 converts the operation data input from the keyboard 320 into a format that can be transmitted via the exchange network 200 and transmits it to the operation data receiving means 420 via the exchange network 200. .

The operation data receiving means 420 converts the converted operation data transmitted from the operation data transmitting means 520 via the exchange network 200 into a format that can be input to the computer 100 and transmits the converted operation data to the computer 100.

[0018] Therefore, the computer can be operated using a display and a keyboard provided at a remote location without providing a special communication processing function to the computer.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a diagram showing a remote control method according to an embodiment of the present invention, FIG. 3 is a diagram illustrating a processing process of the remote control adding device in FIG. 2, and FIG. It is a figure which illustrates a processing process. Note that the same reference numerals indicate the same objects throughout the figures.

In FIG. 2, the computer 10 in FIG.
1, a personal computer (PC) 2 is provided for testing the switching system under test (TSW), and a service integrated digital network (IS) is provided as the switching network 200 in FIG.
DN) 7 is provided, and the display 3 in FIG.
10 and keyboard 320 as a display (CR
T) 67 and a keyboard (KB) 68 are provided, and an adjacent operation adding device (LOA) is provided as the display data transmitting means 410 and operation data receiving means 420 in FIG.
5 is provided, and the display data receiving means 5 in FIG.
10 and a remote operation adder (ROA) 6 as operation data transmitting means 520.

[0021] The adjacent operation addition device (LOA) 5 and the remote operation addition device (ROA) 6 are each connected to a network termination device (D
It is connected to the Integrated Services Digital Network (ISDN) 7 via SUs 71 and 72.

Changeover switches (SW) 51 and 52 in the adjacent operation addition device (LOA) 5 are connected to the switch under test (T
SW) 1 and adjacent personal computer (PC) 2
If the test is performed using a display (CRT)
) 21 and a keyboard (KB) 22 are set to be connected to a personal computer (PC) 2, but the switching system under test (TSW) 1 is tested using a display (CRT) 67 and a keyboard (KB) 68 installed at a remote location. When executing, the display data transmitter (CRS)
53 and the operation data receiving unit (KBR) 54 are set to be connected to the personal computer (PC) 2.

In FIGS. 2 to 4, when testing the switch under test (TSW) 1 from a remote location, the telephone unit (TSW) attached to the remote operation additional device (ROA) 6
Call is made from EL) 69, and adjacent operation addition device (LOA) 5
When requesting call setup, the communication processing unit (CM) 66
A D-channel call control unit (DCC) 662 in the communication processing unit ( CM) 66 and the adjacent operation addition device (LOA).
) 5 (step S1 in FIG. 3 and step S21 in FIG. 4).

In this state, when the tester inputs test data by operating the remote keyboard (KB) 68, the operation data transmitter (KBS) 62 of the remote operation additional device (ROA) 6 inputs the test data from the keyboard (KB) 68. KB) 68 is detected (step S2 in Figure 3), and the detected operation data is transferred to B.
It is transmitted to the channel data link unit (BDL) 661.

B channel data link section (BDL) 66
1 assembles the operation data transmitted from the operation data transmitter (KBS) 62 into a packet and sends it to the adjacent operation adding device (L
B channel data link section (BDL) 59 in OA) 5
After transferring to the adjacent operation addition device (LOA) 5 via the B channel set between the
3) Delete the operation data output from the operation data transmitter (KBS) 62 (step S4 in FIG. 3).

In the adjacent operation addition device (LOA) 5, the B channel data link section (BDL) 591 in the communication processing section (CM) 59 connects to the remote operation addition device (ROA) 6.
B channel data link section (BDL) 661 to B
Upon receiving a packet transmitted via a channel (
In step S22 in FIG. 4, the received packet is disassembled to extract the operation data and transmitted to the operation data receiving unit (KBR) 54.

The operation data receiving section (KBR) 54 uses the operation data transmitted from the B channel data link section (BDL) 591 as test data and sends it to the changeover switch (SW).
) 52 to the personal computer (PC) 2 (step S23 in FIG. 4).

The personal computer (PC) 2 inputs the test data transmitted from the adjacent operation adder (LOA) 5 to the switching system under test (TSW) 1, and causes it to execute a required test operation.

Further, the personal computer (PC) 2 transmits the test result data output from the switch under test (TSW) 1 to the adjacent operation addition device (LOA) 5. In the adjacent operation addition device (LOA) 5, a display data transmission section (CRS) 53 is connected to a personal computer (P
C) Periodically monitor the test result data output from 2 via the changeover switch (SW) 51 (step S in Figure 4).
24) When the test result data is detected, it is stored in the frame memory (RM) 56 as display data (step S25 in FIG. 4).

The previous frame memory (LM) 57 stores the previous display data detected by the previous display data transmitter (CRS) 53. Encoding unit (ECR) 58
extracts the difference between the display data stored in the frame memory (RM) 56 and the previous display data stored in the previous frame memory (LM) 57 (step S26 in FIG. 4),
The extracted difference data is divided into block data of a predetermined size (step S27 in FIG. 4), and it is analyzed whether each block data has been registered in the font memory (OM) 55 (
Step S28 in FIG. 4), if registered, the font number assigned to the registered block data is sent as data (step S29 in FIG. 4), and if it is not registered,
The block data itself is used as transmission data (step S30 in FIG. 4), and the block data is newly registered in the font memory (OM) 55 (step S31 in FIG. 4).
).

[0031] The encoding unit (ECR) 58 converts the transmission data thus obtained into a B channel data link unit (BDL).
591. B channel data link section (BDL
) 591 assembles the transmission data transmitted from the encoder (ECR) 58 into packets and sends the data to the remote control adder (RO).
A) B channel data link section (BDL) 661 in 6
The information is transferred to the remote operation additional device (ROA) 6 via the B channel set between the
2).

In the remote operation addition device (ROA) 6, the B channel data link section (BDL) 661 in the communication processing section (CM) 66 connects to the adjacent operation addition device (LOA) 5.
B channel data link unit (BDL) 591 to B
Upon receiving a packet transmitted via a channel (
Step S5 in FIG. 3), decomposes the received packet and extracts the received data (Step S6 in FIG. 3), and decodes the decoding unit (DC
R) 65.

The decoding unit (DCR) 65 analyzes whether the received data transmitted from the B channel data link unit (BDL) 661 is a font number (step S7 in FIG. 3).
, in the case of font number, font memory (OM) 63
The block data corresponding to the registered font number is extracted as received data (step S8 in FIG. 3), and if it is not a font number, the transmitted data itself is registered as received data in the font memory (OM) 63. (
Step S9 in FIG. 3) and stored in a designated block of the frame memory (RM) 64 (Step S10 in FIG. 3).

The display data receiving unit (CRR) 61 displays the display data stored in the frame memory (RM) 64 on the display (CRT) 67 as test result data (step S11 in FIG. 3).

The above process is repeated until the packet processing is completed (step S12 in FIG. 3). Display (CRT)
) 67 displays the test result data transmitted from the remote operation additional device (ROA) 6.

As is clear from the above description, according to this embodiment, the test data input from the keyboard (KB) 68 installed at a remote location is transmitted to the remote control adder (ROA).
) 6 and is assembled into a packet by the integrated services digital network (ISDN) 7 to the adjacent operation addition device (
LOA) 5 and the adjacent operation addition device (LOA) 5
The test data is extracted from the packet and input to the personal computer (PC) 2, and the test result data output from the personal computer (PC) 2 is assembled into a packet by the adjacent operation addition device (LOA) 5 and sent to the service. Remote operation additional device (ROA) 6 installed in a remote location via integrated digital network (ISDN) 7
The test result data is extracted from the packet by the remote operation adder (ROA) 6 and displayed on the display (C
RT) 67, so the test target switch (TSW)
A personal computer (PC) installed adjacent to
) 2, there is no need to add any communication processing unit (CM) 25 (FIG. 5), and the adjacent operation addition device (LOA) 5 and remote operation addition device (ROA) 6 can be used as applications on the personal computer (PC) 2. program(
Since it is not affected in any way by changes in AP) 24, the tester's labor will not increase.

It should be noted that FIGS. 2 to 4 are only one embodiment of the present invention, and for example, the computer 100 to which the present invention is applied
is not limited to the personal computer (PC) 2 that tests the switch under test (TSW) 1, and many other modifications may be considered, but the effects of the present invention remain the same in any case. Furthermore, the switching network 200 is not limited to the integrated services digital network (ISDN) 7 shown in the figure, and many other modifications may be considered, but the effects of the present invention remain the same in any case.

[0038]

[Effects of the Invention] As described above, according to the present invention, in the remote control method, it is possible to operate the computer using a display and a keyboard provided at a remote location, without providing the computer with a special communication processing function. .

[Brief explanation of the drawing]

[Figure 1] Diagram showing the principle of the present invention

[Fig. 2] A diagram showing a remote control method according to an embodiment of the present invention.

[Figure 3] A diagram illustrating the processing process of the remote control addition device in Figure 2.

[Fig. 4] A diagram illustrating the processing process of the adjacent operation addition device in Fig. 2.

[Figure 5] Diagram showing an example of a conventional remote control method

[Explanation of symbols]

1 Test target switch (TSW) 2, 3 Personal computer (PC) 4 Analog switching network (AN) 5 Adjacent operation addition device (LOA) 6 Remote operation addition device (ROA) 7 Integrated service digital network (ISDN) 21, 3
1, 67, 310 Display (CRT) 22, 3
2, 68, 320 Keyboard (KB) 23, 33
Operation system (OS) 24, 34 Application program (AP) 25, 35, 59, 6
6 Communication processing unit (CM) 41, 42 Modulator/demodulator (M
D) 50, 69 Telephone section (TEL) 51, 52 Changeover switch (SW) 53 Display data transmission section (CRS) 54 Operation data reception section (KBR) 55, 63 Font memory (OM) 56, 64
Frame memory (RM) 57 Previous frame memory (
LM) 58 Encoding unit (ECR) 61 Display data receiving unit (CRR) 62 Operation data transmitting unit (KBS) 65 Decoding unit (DCR) 100 Computer 200 Switching network 410 Display data transmitting means 420 Operation data receiving means 510 Display data Receiving means 520 Operation data transmitting means

Claims (1)

[Claims] 1. A computer (100) is connected to a switching network (200) via a display data transmitting means (410) and an operation data receiving means (420), and a display (31)
0) is connected to the exchange network (200) via the display data receiving means (510), and the keyboard (320) is connected to the exchange network (200) via the operation data transmitting means (520).
The display data transmitting means (410) transmits display data output from the computer (100) to a switching network (2).
00) into a format that can be transmitted via the display data receiving means (510) via the switching network (200).
), and the display data receiving means (510) transmits the data from the display data transmitting means (410) to the switching network (20
0) is converted into a format that can be displayed on the display (310) and is transmitted to the display (310), and the operation data transmitting means (520) The keyboard (320)
converting the operation data inputted from the converter into a format that can be transmitted via the exchange network (200), and transmitting the operation data to the operation data receiving means (420) via the exchange network (200);
The operation data receiving means (420) converts the converted operation data transmitted from the operation data transmitting means (520) via the exchange network (200) into a format that can be input to the computer (100). Convert it to the above calculator (1
00), the computer (100) is operated using the display (310) and keyboard (320) that are provided remotely.