JP3405215B2 - Update history management apparatus and update history management method for circuit board in electronic exchange - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention allows an operator or the like to easily know the update history when the specifications of a circuit board such as an exchange are updated, and the update history conforms to the content of the update. The present invention relates to a circuit board history management device and a management method capable of extremely easily determining whether or not the circuit board is managed.

[0002]

2. Description of the Related Art For example, in communication by a computer network, in order to smoothly exchange information between a large number of terminals arranged in a distributed manner, the transmission path is reconnected in the middle of the transmission path connecting the terminals. It is a common practice to provide a switch for performing the above. Such a switch needs to be equipped with a switching system that is most suitable for the signals sent on the transmission line. Therefore, the circuit board constituting the exchange system, various software installed on the circuit board, and the like may be appropriately changed due to expansion or change of the network or other reasons.

In such a case, the update history differs for each circuit board of each exchange due to, for example, the old and new exchanges and the difference in installation time. Therefore, when the update history is newly updated, if the update history does not match the update content, the update work cannot be performed, or the wrong update work is performed, which may cause a malfunction of the exchange. Occurs.
In order to avoid such an inconvenience, it is necessary to judge in advance whether or not the update history of the circuit board to be updated matches the update content.

Conventionally, in such judgment, the designer informs the operator whether or not the update history is suitable for the update content, or displays the update history on a sticker attached to the circuit board. Workers have judged conformity or nonconformity from the update history.

[0005]

However, the above-described conventional update history management method has the following problems. That is, the method of contacting the worker from the designer is apt to cause a contact error, and the method of sticking the seal on the circuit board may cause misunderstanding by the operator.
If it is not possible to go to an exchange in a remote place, it is impossible to judge whether the renewal work is possible, and work efficiency is poor.

The present invention has been conceived in view of the above problems. The latest update history of the circuit board of each exchange can be reliably transmitted to a maintenance person, and the circuit board of a predetermined exchange can be remotely operated. It is an object of the present invention to provide a circuit board update history management device and a management method capable of easily knowing the update history.

[0007]

In order to solve the above-mentioned problems, the invention of claim 1 is a circuit board provided in an electronic exchange, mounting the circuit board, or updating software installed in the circuit board. In a circuit board update history management device for an electronic exchange for determining whether or not an update history is suitable for the content of the update , when a change is made to the circuit board provided on the circuit board.
The update history storage means for storing the change as an update history, the update history read means for reading the update history of the circuit board from the update history storage means, and the update history suitable for the update content applied to the circuit board. Matching information storing means for storing as matching information, matching information reading means for reading the matching information stored in the matching information storing means, the update history read by the update history reading means, and the matching information reading comparing the adapted information read by means determines whether the update history to the updates are compatible, the determination result is incompatible situ
Expediently, it is constituted to have a <br/> determination means for outputting a stop command signal for stopping the updating operation, and a display means for displaying the determination result.

With this configuration, there is something about the circuit board.
When the change is made, the change is stored in the update history storage means as the update history. The update history stored in the update information storage means is read by the update history reading means,
It can be appropriately displayed on a display means such as a display. Thereby, the operator can easily know the update history of the circuit board. When the circuit board is updated, whether or not the update history of the circuit board and the update information to be updated are compatible is determined in advance at the design stage and stored as compatible information in the compatible information storage means. The suitability information stored in the suitability information storage means is appropriately read by the suitability information reading means when the circuit board is updated. The determination means determines whether or not the update history matches the update content information. Also, the update history of the circuit board is updated
If the content does not match, the judgment means automatically
A stop command is output, so the operator mistakenly updates.
It is possible to prevent that, and increase the reliability of system operation.
Can be maintained. Further, the judgment result is displayed on a display unit such as a display or a printer. The operator can easily determine whether or not to continue the work by this display.

According to a second aspect of the present invention, the update history reading means is provided on the circuit board. The update history can be read from the update history storage means by using the CPU provided on the circuit board. Therefore, the update history can be read only by connecting the external terminal to the circuit board, and the update history can be read by remote operation by simply sending a command signal to the CPU via the communication line.

According to a third aspect of the present invention, the update history reading means and the matching information reading means are connected by a communication line. With this configuration, it is possible to remotely obtain the update history of the predetermined circuit board via the communication line. Further, it is possible to determine whether or not the update history of the circuit board matches the predetermined update content by remote operation. Therefore, it is possible to check the compatibility of the update information by remote control without the operator having to go to the circuit board.

[0011]

According to a fourth aspect of the present invention, when updating the circuit board provided in the electronic exchange, the mounting of the circuit board or the installed software, whether or not the update history of the circuit board matches the contents of the update. In a circuit board update history management method in an electronic exchange for determining whether or not a change is made to the circuit board, the change
Is stored in the update history storage means as an update history.
And the update history of the circuit board when updating the circuit board
A step of reading from the update history storage means, a step of reading the compatibility information from a compatibility information storage means that stores an update history that matches the content of the update as compatibility information, and a comparison between the update history and the compatibility information, A step of determining whether or not the update history conforms to the update content, and if the determination result is incompatible, an update operation
Is output as a stop command signal, and a step of displaying the determination result is provided.

With this method, there is something about the circuit board.
When the change is made, the change is stored in the update history storage means as the update history. The update history stored in the update information storage means is read by the update history reading means,
It can be appropriately displayed on a display means such as a display. Thereby, the operator can easily know the update history of the circuit board. When the circuit board is updated, whether or not the update history of the circuit board and the update information to be updated are compatible is determined in advance at the design stage and stored as compatible information in the compatible information storage means. The suitability information stored in the suitability information storage means is appropriately read by the suitability information reading means when the circuit board is updated. Whether or not the update history is compatible with the update content information is determined by the judging means.
It is determined whether the matching information and the update history match.
Also, if the update history of the circuit board does not match the update content
, The judgment means automatically outputs a stop command.
Therefore, it is possible to prevent workers from accidentally updating.
The system operation can be kept highly reliable.
It Further, the judgment result is displayed on a display unit such as a display or a printer.

The invention of claim 5 is a method including a step of transmitting the update history and the determination result via a communication line. With this method, the update history is read from the update history storage means by the CPU provided on the circuit board.
Can be done using. Therefore, the update history can be read only by connecting the external terminal to the circuit board, and the update history can be read by remote operation by simply sending a command signal to the CPU via the communication line.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram illustrating the configuration of a history management device for a circuit board according to the present invention. As shown in the figure, the circuit board 1 serves as an update history storage unit that stores past changes (updates) made to the circuit board 1 as an update history in addition to the memory 10 that stores the software of the circuit board 1. A memory 11 is provided. The memory 11 is preferably a rewritable EEPROM or the like that does not require a backup power supply.

The "update history" mentioned here includes the update history of software installed on the circuit board 1 and the circuit board 1.
In addition to the update history of various mountings such as semiconductors and resistors arranged above, the version number of the circuit board 1 itself is also included.
In this embodiment, the update history of the memory 11 is read and written by the CPU 12 which is the processing device of the circuit board 1. Therefore, if any change is made to the circuit board 1, this change is stored in the memory 11 as an update history.

The circuit board 1 is provided with an I / O port 13, and the maintenance terminal 2 is connected via the external I / O port 13. The update work is performed via the maintenance terminal 2.
Further, the update history of the circuit board 1 can be output to the display device 3 such as a printer or a display via the maintenance terminal 2.

Further, the maintenance terminal 2 is connected to the management computer 4 by a communication line 5. The management computer 4 has a memory (adaptation information storage means) that stores adequacy information indicating whether or not the update history is appropriate for the update content.
41 is provided. CPU4 of management computer 4
Reference numeral 2 reads or writes the compatibility information, and compares the update history obtained from the circuit board 1 via the communication line 14 with the compatibility information. From the comparison result, the update history matches the update content. It is judged whether or not it is present and the result is sent back from the I / O port 43 to the maintenance terminal 2 via the communication line 14. In FIG. 1, reference numeral 14 is an I / O register provided on the circuit board 1.

Next, the operation of the apparatus having the above construction will be described together with the history management method of the present invention. FIG. 3 is a flow chart showing the procedure of history management. When any change (update) is made to the circuit board 1, this change is stored in the memory 11 as an update history.

When a new update is made to the circuit board 1, it is necessary to judge whether the update history of the circuit board 1 matches the update content. Therefore, according to the instruction from the maintenance terminal 2 connected to the circuit board 1, the CPU
12 reads the update history from the memory 11 (step 1).

FIG. 2 is an explanatory diagram of the principle of the CPU 12 reading the update history. If the circuit board 1 has a version number of A (A
= 1), the update history of the circuit board 1 is B (1 ≦ B ≦ m: where m is an integer), and the version number of the software installed on the circuit board is C (1 ≦ C ≦ n: where n is an integer). To do. CPU12
I / O register 14 connected to each circuit pattern ~
It is linked to. Here, it is defined that there is no update history when the bit value of each circuit pattern of the I / O register 14 is 0 and that there is an update history when it is 1. Since the circuit patterns ~ are connected to the ground, each circuit pattern ~ has a bit value of 1 when disconnected, and has a bit value of 0 when not disconnected. Since there is no change history in the initial state, the I / O register 14 has 16
The decimal value is 0X00.

For example, when the circuit pattern is cut by, the bit value becomes 1 and the hexadecimal value is 0X1 in each cut pattern ,, as shown in FIG.
It becomes 9. Therefore, the change history A = 1, B = 4, C = 5 is recognized by the CPU 12. The update history read out in this way is displayed on display means such as a display (step 3) if necessary (step 2) and transmitted to the management computer 4 (step 4).

In the management computer 4, the compatibility information is read from the memory 41 (step 5) and compared with the transmitted update history (step 6). The conformance information is
According to the above example, there are 1 × m × n combinations, and the matching information indicating whether or not matching is created for each of these combinations. From this comparison result, it is judged whether or not the update history matches the update content information (step 7), and the result is sent back to the maintenance terminal 2 (step 8). Further, in the case of non-conformity, a work stop command signal is transmitted to the maintenance terminal 2 (step 9). The maintenance terminal 2 displays the determination result on the display means 14 such as a display (step 10).

The operator determines whether or not to continue the update according to the display result. Of course, if the judgment result is "conforming", the circuit board 1 to be updated is instructed to be updated, and if the judgment result is "nonconforming", the updating work is automatically stopped. Can be As a result, it is possible to prevent erroneous work due to an operator's erroneous judgment and maintain high operation reliability.

Although the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments. For example, in the above-described embodiment, the CPU 12 of the circuit board 1 is described as reading the update history of the circuit board 1 from the memory 11 that is the update history storage means, but the maintenance device 2 connected to the circuit board 1 updates the history. A history reading means may be provided.

Further, in the above embodiment, the matching information storage means 41 and the judging means are provided in the management computer 4 so that a large number of circuit boards 1 can be centrally managed at one place. The terminal 2 may be provided with the matching information storage means and the determination means.

[0027]

Since the present invention is configured as described above, the update history stored in the update information storage means can be read by the update history reading means and can be appropriately displayed on the display means such as a display. it can. Thereby, the operator can easily know the update history of the circuit board.

When the circuit board is updated, whether the update history is compatible with the update content information is judged by comparing the compatibility information read from the compatibility information storage means with the update history. Judges and displays this result on a display device such as a display or printer.
The operator can easily determine whether or not to continue the work by this display.

Further, by providing the update history reading means on the circuit board so that the update history can be read from the update history storage means by using the CPU provided on the circuit board, communication is performed. C through the line
By simply sending a command signal to the PU, the update history can be read out by remote control, and the suitability of the update information can be checked without the operator having to go to the circuit board.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating a configuration of a history management apparatus according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a principle in which a CPU 12 reads an update history.

FIG. 3 is a flowchart illustrating a procedure of history management.

FIG. 4 is a diagram showing a bit map of an I / O register.

[Explanation of symbols]

1 circuit board 10 memories (for circuit board software) 11 memory (update history storage means) 12 CPU (update history reading means) 13 I / O port 14 I / O register 2 maintenance terminals 3 Display J means 4 management computer 41 memory (matching information storage means) 42 CPU (compliance information reading means) 43 I / O port

Claims (5)

(57) [Claims] 1. When updating a circuit board provided in an electronic exchange, mounting or mounting software of the circuit board, and determining whether or not the update history of the circuit board matches the content of the update. In the circuit board update history management device of the electronic exchange of, the circuit board is provided with the changes made to the circuit board .
At this time, an update history storage unit that stores this change as an update history, an update history read unit that reads the update history of the circuit board from the update history storage unit, and an update history that matches the update content applied to the circuit board. Is stored as the matching information, matching information reading means for reading the matching information stored in the matching information storing means, the update history read by the update history reading means, and the matching information comparing the adapted information read by the reading means, it determines whether the update history to the update content is compatible, with the result of determination nonconformity
If there is, a stop command signal to stop the update work is output.
A history management device for a circuit board, comprising: a determination unit that applies a force and a display unit that displays the determination result. 2. The circuit board history management device according to claim 1, wherein the update history reading means is provided on the circuit board. 3. The circuit board history management device according to claim 2, further comprising a transmission unit that transmits the update history read from the update history reading unit to the determination unit. 4. A circuit board and circuit provided in an electronic exchange.
To update the board mounting or the installed software
Therefore, the update history of the circuit board is suitable for the content of the update.
In the electronic exchange to determine whether or not
In the circuit board update history management method,If changes are made to the circuit board, update these changes.
Update history as new history Step of storing in storage means
When, When updating the circuit board, update history of the circuit boardThe aboveChange
Reading from the new history storage means, The update history that matches the contents of the update is recorded as the conformance information.
The read-out of the matching information from the matching information storage means
Tep, The update history is compared with the conformance information to obtain the update history.
Determines whether the update matches the update content
When,If this judgment result is non-conforming, update work is stopped
Outputting a stop command signal to The above The step of displaying the judgment result, A circuit board history management method comprising: 5. The circuit board history management method according to claim 4 , further comprising a step of transmitting the update history and the determination result via a communication line.