JP2825955B2 - Remote monitoring center device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring center device for monitoring a monitored device via a telephone line, and in particular, to an operation without impairing the original monitoring function. The present invention relates to a remote monitoring center device suitable for checking an operation state of a section.

2. Description of the Related Art Generally, a remote monitoring center device includes a network control device for connecting to a telephone line, a modem device connected to the network control device and transmitting and receiving data to and from a monitored device. LED for displaying the state of the telephone line corresponding to the network control device and the modem device of the above, an operation unit comprising a switch for operating the state of the telephone line corresponding to this LED, ROM for storing a program, and RAM And an MPU device for controlling the network control device and the modem device. The above-described LEDs are configured to display various types of information by changing the type of color or changing the mode of lighting or blinking according to information transmitted from the monitored device.

[Problems to be Solved by the Invention] In general, in the case of a remote monitoring center device, when a failure of an LED or a switch of an operation unit occurs, confirmation of information transmitted from the monitored device or connection with a telephone line is performed. The connection operation cannot be performed, so that the monitored device cannot be monitored. Therefore, it is necessary to check whether or not the above-described operation unit operates normally in order to prevent the original monitoring function as the remote monitoring center device from being disturbed.

In the conventional remote monitoring center device described above, it is necessary to temporarily stop the operation of the remote monitoring center device when checking whether or not the operating portion operates normally. The information transmitted from the monitored device cannot be received, and during that time, there is a problem that the original monitoring function as the remote monitoring center device is hindered as in the case of the above-described failure.

The present invention has been made in view of such circumstances in the prior art, and has as its object to provide a remote monitoring center capable of checking the operation state of an operation unit only when a network control device and a modem device are not operating. It is to provide a device.

[Means for Solving the Problems] In order to achieve this object, the present invention provides a network controller for connecting to a telephone line, and a network controller connected to the network controller.
A modem unit for transmitting and receiving data to and from the monitored device, an operating unit including a notifying device for notifying the state of the telephone line, and a switch for outputting a connection command for instructing connection with the telephone line; ROM for storing programs
And a remote monitoring center device having the network control device, a modem device, and an MPU device controlling the notification device,
An inspection device for outputting an inspection command for displaying the operation state of the operation unit and displaying the inspection result, a port for connecting the inspection device to the MPU device, and the network control when the MPU device receives the inspection command. A determination means for determining whether the device and the modem device are operating and a control means for interrupting the inspection of the operation unit according to the determination by the determination means are provided.

[Operation] Since the present invention is configured as described above, when an inspection command for inspecting the operation state of the operation unit is output by the inspection device,
This check command is sent to the MPU device via the port. At this time, whether or not the network control device and the modem device are operating is determined by the determining means, and when it is determined that the network control device and the modem device are not operating,
Check the operation status of the operation unit based on the above inspection command,
The inspection result is displayed on the inspection device. On the other hand, when it is determined that the network control device and the modem device are operating, the inspection of the operation unit is interrupted by the control means. Thereafter, when the operations of the network control device and the modem device are completed, the operation state of the operation unit is inspected based on the inspection command, and the inspection result is displayed on the inspection device.

Thus, the operation state of the operation unit can be checked only when the network control device and the modem device are not operating.

[Embodiment] Hereinafter, an embodiment of the remote monitoring center apparatus of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of a remote monitoring center apparatus according to the present invention, and FIG. 2 is a flowchart showing a processing procedure of the remote monitoring center apparatus shown in FIG.

As shown in FIG. 1, a remote monitoring center apparatus 1 of this embodiment comprises a network controller 3a for connecting to a telephone line 2 and a network controller 3a connected to the network controller 3a.
A modem device 6a for transmitting and receiving data to and from the operating unit 7a corresponding to one set of the network control device 3a and the modem device 6a, and another set of network control device and the modem device (not shown). Operating unit 7n and network controller
ROM 13 for storing predetermined programs such as processing procedures of 3a and modem device 6a, RAM 14, and MPU device 1 for controlling network control device 3a and modem device 6a, operation units 7a to 7n, and the like.
5 and have. The operation unit 7a includes a notification device that notifies the status of the telephone line 2, for example, an LED 8a,
And a switch 9a for outputting a connection command for instructing connection with the switch 9a. The above-mentioned LED 8a indicates, for example, that a call is being made from the monitored device 5 by blinking red light, and then, when a call with the monitored device 5 becomes possible with the operation of the switch 9a, this state is displayed. Is displayed by lighting of red light. The above-mentioned operation unit 7n includes an LED 8n and a switch 9n, and the same applies to other operation units not shown.

The remote monitoring center device 1 includes operating units 7a to 7n
An inspection device 16 that outputs an inspection command to check the operation state of the inspection device and leaves the inspection result, and a port 17 that connects the inspection device 16 to the MPU device 15 are provided. The above-described MPU device 15
Via the address bus 18 and the data bus 19, the network control device 3a, the modem device 6a, the ports 20 for the operation units 7a to 7n,
It is connected to ROM13, RAM14 and port 17. The MPU device 15 described above constitutes a judging means for judging whether the network control device 3a and the modem device 5 are operating when the above-mentioned inspection command is received by the MPU device 15,
The device 15 and the ROM 13 constitute control means for interrupting the inspection of the operation units 7a to 7n according to the judgment by the judgment means.

In this embodiment, the operation check of the operation units 7a to 7n is performed according to the processing procedure shown in FIG. That is, when an inspection command is output from the inspection device 16 in step S1, it is determined whether all inspections of the operation units 7a to 7n have been completed in step S2. At this time, for example, the operation unit 7n
If the inspection has not been completed, the operation unit 7n is performed as step S3a.
Is stored in the RAM 14 and then it is determined whether or not other processing is being executed as step S4, for example, whether or not information transmitted from the monitored device 5 is being received by the network control device 3a and the modem device 6a. I do. If it is determined that such other processing is not being performed, as step S5, the LED 8 corresponding to the identification number of the operation unit 7n stored in step S3 above is used.
A lighting instruction is output from the MPU device 15 to the n via the port 20. Next, in step S6a, it is determined whether a response signal has been output from the switch 9n corresponding to the identification number of the operation unit 7n. If no response signal has been output, an abnormality report is sent to the inspection device 16 via the port 17. And return to the above step S2. At this time, as step S7, the inspection device 16 displays that the operation state of the operation unit 7n is abnormal based on the abnormality report.

If it is determined in step S2 that all inspections of the operation units 7a to 7n have been completed, an end report is sent to the port 17 as step S8.
The inspection device 16 is configured to terminate the inspection by displaying the inspection result based on the operation state of the operation units 7a to 7n based on the end report.

If it is determined in step S4 that other processing, for example, information transmitted from the monitored device 5 has been received by the network control device 3a and the modem device 6a, the process from the monitored device 5 is performed in step S9. After the information processing is executed with priority, the process returns to the above step S4.

In the embodiment configured as described above, only when the network control device 3a and the modem device 6a are not operating, the operation unit 7a
77n can be checked in order.

In this embodiment, the LEDs 8a to 8n are used as a notification device for notifying the state of the telephone line 2, but these LEDs 8a to 8n are used.
Instead of 8n, other display devices or audio devices such as a buzzer that emits audio can be used.

[Effect of the Invention] Since the present invention is configured as described above, it is possible to check the operation state of the operation unit only when the network control device and the modem device are not operating. When information is transmitted from the monitoring device, the network control device and the modem device described above can be preferentially operated to receive the information, and the monitoring of the monitored device can be performed. There is an effect that the operation state of the operation unit can be inspected without hindering the original monitoring function as the monitoring center device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of a remote monitoring center apparatus according to the present invention, and FIG. 2 is a flowchart showing a processing procedure of the remote monitoring center apparatus shown in FIG. 1 Remote monitoring center device 2 Telephone line 3a Network control device 5 Monitored device 6a Modem device 7a
7n: Operation unit, 8a to 8n: LED (notification device), 9a to 9n
… Switch, 13… ROM, 15… MPU device, 16… Check device, 17… Port.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-3298 (JP, A) JP-A-2-23763 (JP, A) JP-A-2-86558 (JP, A) JP-A-3-3 291041 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) H04M 11/00 H04Q 9/00

Claims (1)

(57) [Claims] A network controller for connecting to a telephone line;
A modem device connected to the network control device for transmitting and receiving data to and from the monitored device; a notifying device for notifying the state of the telephone line; and a switch for outputting a connection command for instructing connection with the telephone line. In a remote monitoring center device having an operation unit consisting of: a ROM for storing a predetermined program, and an MPU device for controlling the network control device, the modem device and the service device, an inspection command for checking the operation state of the operation unit An inspection device for outputting the inspection result and displaying the inspection result, a port for connecting the inspection device to the MPU device,
Determining means for determining whether the network control device and the modem device are operating when the inspection command is received by the MPU device, and control means for interrupting the inspection of the operation unit according to the determination of the determining device; A remote monitoring center device comprising: