JPH10285251A - Data processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To execute a processing to switch plural signal packages into protection packages at a high speed in a device to individually execute signal conversion by the plural signal packages and to substitute time signal conversion of the signal package in which a fault occurs for a spare protection package. SOLUTION: Various kinds of information required for the signal conversion of each of the plural signal packages 11 to 13 are preliminarily registered in the protection package 14, when one signal conversion among the signal packages 11 to 14 in which the fault occurs is substituted for the protection package 14, the various kinds of information are unnecessitated to be registered in the protection package 14 at the point by switching the plural pieces of various information for the signal packages 11 to 13 to substitute the signal conversion.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data processing apparatus for individually converting a plurality of input signals with a plurality of signal packages and outputting the converted signals. To a data processing device that can substitute

[0002]

2. Description of the Related Art Hitherto, a data processing device for converting a plurality of input signals and individually outputting the converted signals has been used in a communication system or the like. Some are provided with: This name means that N signal packages and one protection package are provided, and such a data processing device usually converts N input signals into N signal packages individually. And output. However, if a failure occurs in a signal package, the signal input and output of the signal package are switched to a protection package, and the protection package substitutes the signal conversion.

[0003] More specifically, the data processing apparatus as described above includes a plurality of signal packages individually connected to a plurality of input lines and an output line, and one protection package via one switching package. Are switchably connected, and one control package is connected to these various packages.

When a failure occurs in the signal package # 1 which converts an input signal and outputs the signal, the signal package # 1 detects the failure and outputs a switching request signal to the control package. Then, the control package stops the operation of the signal package # 1, and sets various information necessary for signal conversion of the signal package # 1 in the memory of the protection package. Next, the input line and the output line of the signal package # 1 are connected to the protection package by the switching package, and the protection package executes the signal conversion of the signal package # 1.

[0005]

In the data processing apparatus as described above, when a plurality of input signals are converted and output by a plurality of signal packages, if a failure occurs in the signal package, the signal is output to the protection package. Since the conversion is substituted, the signal conversion can be continued even if a failure occurs.

However, in order to substitute the signal conversion of the failed signal package for the protection package, it is necessary to set various kinds of information necessary for the signal conversion of the signal package in the protection package. As a result, package switching tends to be delayed. Especially,
The communication device requires a switching time on the order of several tens of milliseconds, and in order to achieve this, it is necessary to improve the order of several milliseconds.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and has as its object to provide a data processing apparatus capable of quickly switching a failed signal package to a protection package.

[0008]

According to the data processing apparatus of the present invention, a plurality of signal packages for converting an input signal by various kinds of preset information and outputting the same are prepared as spares of the signal packages. A data processing apparatus comprising: at least one protection package; and a package switching unit that switches input and output of a signal of the failed signal package to the protection package to substitute for signal conversion. Various information necessary for signal conversion of each of the signal packages is registered in the protection package in advance, and the package switching unit is configured to substitute the signal conversion of the signal package for the protection package when the signal conversion of the signal package is performed. Switching various types of information according to the signal package that substitutes signal conversion .

Therefore, normally, a plurality of input signals are individually converted by a plurality of signal packages and output.
When a failure occurs in such a signal package, the input and output of the signal are switched to the protection package by the package switching means, and the signal conversion of the failed signal package is substituted by the protection package. At this time, since various information of a plurality of signal packages registered in advance in the protection package is switched by the package switching means, there is no need to set various information of the signal package in the protection package at this time.

[0010] The signal package referred to in the present invention is:
What is necessary is just to execute signal conversion based on various kinds of information set in advance. For example, in addition to a computer on which appropriate software is installed, dedicated hardware and a partial combination thereof are also allowed. Similarly, the protection package and the package switching means only need to be formed so as to realize their respective functions. For example, a computer on which appropriate software is installed, dedicated hardware, a partial combination thereof, And so on. However, in the protection package, various kinds of information necessary for signal conversion of a plurality of signal packages need to be registered in a switchable manner. For example, a structure in which various kinds of information of a plurality of signal conversions are registered in a memory, and a structure of a signal conversion. A structure in which a plurality of hardware is connected to one changeover switch is allowed.

According to another aspect of the data processing apparatus as described above, various information of a plurality of signal packages includes common information common to the plurality of signal packages as a whole and unique information unique to each of the plurality of signal packages. Various pieces of information registered in advance include one piece of common information and a plurality of pieces of unique information, and the package switching unit switches the unique information of the protection package.

Therefore, various types of information of a plurality of signal packages are classified into common information and unique information, and since only one piece of common information is registered in the protection package, the capacity of information of the protection package is reduced. ing.

In another aspect of the data processing apparatus described above, the package switching means manages various types of information of the signal package and the protection package in association with each other.
Therefore, when the various information of the specific signal package is changed, the various information registered in the protection package is updated accordingly, so that the protection package can always substitute the signal conversion of the signal package without any problem.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a circuit diagram showing the overall structure of the data processing device, and FIG. 2 is a schematic diagram showing the storage structure of various information in a signal package and a protection package.

The data processing apparatus 1 according to the present embodiment has the configuration shown in FIG.
As shown in FIG. 2, the signal package includes three signal packages 11 to 13, one protection package 14, one switching package 15, one control package 16, and the like. The part with the control package 16 corresponds to a package switching unit.

The data processing apparatus 1 of the present embodiment has three input lines 17 to 1 to which three types of signals are individually input.
9 and three output lines 20 to 22 from which three kinds of signals are individually output.
7 to 22, three signal packages 11 to 13 are individually connected. In addition, three sets of said lines 17-2
2, the protection package 14 is switchably connected via the switching package 15. The control package 16 is connected to the various packages 11 to 15 via signal lines 23 to 26 and a control bus 27. I have.

Each of these packages 11 to 16 is composed of a logic circuit, for example, has a structure in which devices such as a backup memory and a gate array are connected to a microcomputer.

More specifically, the signal packages 11 to 11
Reference numeral 13 includes signal conversion circuits 31 to 33 which convert signals input from the input lines 17 to 19 with various kinds of information registered in advance and output the converted signals from the output lines 20 to 22, respectively. Various information necessary for signal conversion is registered in each backup memory in an updatable manner.

The backup memory of the signal packages 11 to 13 is a flash memory or an EEPROM (Elec
trically Erasable Programmable Lead Only
Memory), and various information is backed up and registered in an updatable manner.

As described above, the signal packages 11 to 13
As shown in FIG. 2, here, the various information registered in the backup memory is composed of common information common to the entire signal packages 11 to 13 and unique information unique to each of the signal packages. 13 are commonly registered, but only one unique information is registered in each of the signal packages 11 to 13.

Further, the signal packages 11 to 13
Monitors the presence or absence of a failure in a series of processing operations of signal input, conversion, and output as described above, and sends a switching request signal to the control package 16 when a failure is detected. 37 are also individually provided.

The protection package 14 is formed similarly to the signal packages 11 to 13, and includes a signal conversion circuit 34 and a failure detection circuit 38. However, as shown in FIG. 2, as for various information necessary for the signal conversion, all of one common information and three unique information of the signal packages 11 to 13 are registered, and these three unique information are One is selected and used for signal conversion.

The control package 16 monitors the presence or absence of a switching request signal transmitted by the signal packages 11 to 13. When detecting the switching request signal, the switching package 15 transmits the switching request signal to the signal package 11 to 11 by the switching package 15.
13 is substituted for the protection package 15.

More specifically, the operation of the signal packages 11 to 13 which transmitted the switching request signal is stopped, and the input lines 17 to 19 and the output lines 20 to 22 corresponding to the signal packages 11 to 13 are connected. Connected to the protection package 14. One corresponding to the signal packages 11 to 13 which transmitted the switching request signal is selected from the three pieces of unique information of the protection package 14, and the signal conversion is executed by using the one and the common information.

The control package 16 also has a function of managing various types of information of the signal packages 11 to 13 and the protection package 14 in association with each other. More specifically, since the common information and the unique information of the packages 11 to 14 are associated with each other, for example, when the unique information of the first signal package 11 is changed, the protection package 14 is correspondingly changed. When the first unique information is updated and the common information is changed, all the common information of the packages 11 to 14 is commonly updated.

The data processing method of the data processing apparatus 1 according to the present embodiment having the above configuration will be described below. First, the protection package 14 is normally disconnected from the input lines 17 to 19 and the output lines 20 to 22 by controlling the operation of the switching package 15 by the control package 16, and each of the three signal packages 11 to 13 is disconnected. It is maintained in a working state.

In this state, three input lines 17 to
The three signals individually input from 19 are individually converted by three signal packages 11 to 13 and output from three output lines 20 to 22. If a failure occurs in one of the signal packages 11 to 13 during such operation,
This is notified to the control package 16 and the protection package 14 substitutes the signal packages 11 to 13 in which the failure has occurred by the switching package 15.

More specifically, for example, when a failure occurs in the signal conversion circuit 31 of the first signal package 11, this is detected by the failure detection circuit 35, and a switching request signal is transmitted to the control package 16 via the signal line 23. Is done. Since the control package 16 transmits a stop request signal to the failure detection circuit 35 of the first signal package 11 via the control bus 27, the failure detection circuit 35
Stop the operation of.

Next, the control package 16 includes the control bus 2
7, the switching package 15 transmits the switching control signal to the switching package 15.
And the first output line 20 is connected to the protection package 14. At the same time, since an information selection signal for selecting the unique information of the first signal package 11 is transmitted to the protection package 14, the protection package 14 performs a conversion process on the first unique information and the common information into an input signal.

When a failure occurs in one of the signal packages 11 to 13 for executing predetermined signal conversion as described above, the data processing apparatus 1 of this embodiment substitutes the The conversion can be continued. At this time, the processing operations to be executed are the input lines 17 to
All that is required is to selectively connect the protection package 19 and the output lines 20 to 22 to the protection package 14 and to select specific information used by the protection package 14 for signal conversion.

Since the unique information is registered in advance in the protection package 14 together with the common information, there is no need to register the unique information and the common information at the time of substituting the signal packages 11 to 13 in the protection package 14. For this reason,
The operation of substituting the signal packages 11 to 13 for the protection package 14 can be executed quickly, and the conversion of communication data can be continued without any trouble.

In addition, the data processing apparatus 1 of the present embodiment
In the above, various types of information used by the three signal packages 11 to 13 for signal processing are classified into common information and unique information, and only one common information is registered in the protection package 14. The capacity is reduced and the size is reduced.

Further, since the control package 16 manages various kinds of information of the signal packages 11 to 13 and the protection package 14 in association with each other, even if common information or unique information is changed, the protection package 14 can operate the signal package 11 without any problem. ~ 13 can be substituted.

The present invention is not limited to the above-described embodiment, and allows various modifications without departing from the gist of the present invention. For example, in the above embodiment, various packages 11 to 1
6 is assumed to be formed by hardware as a logic circuit, but this can be realized by a microcomputer in which appropriate software is implemented,
It is also possible to form a part by hardware and realize a part by software.

[0035]

Since the present invention is configured as described above, it has the following effects.

The data processing apparatus according to the first aspect of the present invention
A plurality of signal packages for converting an input signal according to various kinds of preset information and outputting the same, at least one protection package prepared as a spare for these signal packages, and a signal of the failed signal package And a package switching means for switching the input and output of the signal package to the protection package and substituting the signal conversion for the signal conversion. In the data processing device, various information necessary for signal conversion of each of the plurality of signal packages is stored in the protection package. Is registered in advance, the package switching means, when the signal conversion of the signal package is substituted for the protection package, a plurality of various information of the protection package corresponding to the signal package to substitute the signal conversion By switching, signal conversion of signal package becomes protection package When switching, the various types of information of the signal package registered in advance in the protection package are switched, so it is not necessary to register the various information of the signal package in the protection package at this time, and the switching process can be executed quickly. it can.

According to a second aspect of the present invention, there is provided the data processing apparatus according to the first aspect, wherein the various information of the plurality of signal packages includes common information common to all the plurality of signal packages and unique information unique to each of the plurality of signal packages. Various kinds of information pre-registered in the protection package include one piece of common information and a plurality of unique information, and the package switching unit switches the unique information of the protection package to obtain a plurality of signal packages. When registering various kinds of information in the protection package, only one piece of common information is required, so that the storage capacity of the protection package can be reduced.

The third aspect of the present invention is the first or second aspect.
The data processing apparatus according to the above, wherein the package switching unit manages various types of information of the signal package and the protection package in association with each other, thereby causing the protection package to substitute the signal package even when various types of information are changed. Can be run without.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing a data processing device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a storage structure of various information of a signal package and a protection package.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Data processing apparatus 11-13 Signal package 14 Protection package 15 Switching package 16 Control package 17-19 Input line 20-22 Output line 23-26 Signal line 27 Control bus 31-34 Signal conversion circuit 35-38 Failure detection circuit

Claims (3)

[Claims] A plurality of signal packages for converting an input signal based on various kinds of preset information and outputting the converted signal;
At least one protection package prepared as a spare for these signal packages, and package switching means for switching input and output of a signal of the failed signal package to the protection package to substitute for signal conversion, In the data processing apparatus provided, various information necessary for signal conversion of each of the plurality of signal packages is registered in the protection package in advance, and the package switching unit performs signal conversion of the signal package in the protection package. A data processing apparatus for switching a plurality of pieces of information of the protection package in accordance with the signal package to be used for signal conversion. 2. The various information of a plurality of signal packages includes common information common to the plurality of signal packages as a whole and unique information unique to each of the plurality of signal packages. 2. The data processing apparatus according to claim 1, comprising one common information and a plurality of unique information, wherein the package switching means switches the unique information of the protection package. 3. The data processing device according to claim 1, wherein the package switching unit manages various types of information of the signal package and the protection package in association with each other.