JPH04170251A - Center network controller - Google Patents

Abstract

PURPOSE:To send a setting value as return information to a terminal equipment by using a queuing means so as to allow the controller to await a line till it is idle during communication, sending incoming call information when not in communication and receiving the setting value as the return information. CONSTITUTION:Line control means 11-13 acquiring an incoming call to a line and implementing reception processing detect an incoming call from a terminal equipment and receive a notice data and send the data to a call processing control means 14. When the controller is in communication with a terminal equipment giving a call to other line, the call processing control means 14 uses a queuing means 16 to await the line till it is idle. When not in communication, the incoming information is sent to a host computer, the means 14 receives a setting value as the return information from the host computer and sends it to designated line control means 11-13. Moreover, a storage means 1 is provided to write/read the setting value from the host 1 computer under the control of the call processing control means 14. Thus, the setting value as the return information is received and sent to the terminal equipment giving a call to each line.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a center network control device used in a centralized monitoring system or the like.

Conventional technology Conventionally, a center network control device (hereinafter referred to as a center NCU device) that reports the amount of gas or water used in each household at a fixed time, and reports security information such as gas leaks to an information center is a terminal. It was possible to receive report data from the host computer, send it to the host computer, and change the setting values based on the information returned from the host computer.

Problems to be Solved by the Invention However, in the conventional center NCU device, the center NCU device receives received data from terminals on multiple lines, and transmits the received data to the host computer without disconnecting the lines. At that time, setting value change data is received from the host computer and transmitted to the terminal, so there is a problem in that when calls are received from multiple terminals at the same time, the setting values cannot be changed.

The present invention solves these conventional problems, and even when calls are received from multiple terminals on different lines at the same time, the report data is sequentially sent to the host computer and the set value is used as return information. An object of the present invention is to provide an excellent center network control device that can receive a call and send it to a terminal that has received a call on each line.

Means for Solving the Problems In order to achieve the above object, the present invention provides a system for detecting incoming call information from a terminal through a line, and a line control unit that seizes this line and receives the incoming call, and a line control unit that When the host computer performs polling communication at regular intervals to receive the above-mentioned incoming call information, and when the host computer is communicating with a terminal that has received a call on another line, the queuing means waits until that line becomes free, and the above-mentioned When the host computer is not communicating with another line, the call processing control transmits the incoming call information to the host computer, receives the set value as return information from the host computer, and sends it to the specified line control means. writing and reading the received incoming call information under the control of the call processing control means when the call processing control means is performing polling communication with the line control means; The apparatus further includes a storage means for writing and reading the setting values from the host computer under the control of the call processing control means.

Therefore, according to the present invention, even if calls arrive from multiple terminals simultaneously on different lines, the setting value is sent to one terminal, and calls arriving on other lines are queued by the queuing means, At the end of changing the settings of the terminal to which the above setting values have been sent, send the incoming data regarding the queued terminals to the host computer, receive the setting values as return information from the host computer, and send them to the queued terminals. By sequentially repeating this process, even when notifications are received from the terminal for each line at the same time, the notification data will be sent to the host computer in sequence, and the setting value will be sent as return information. This has the effect of being able to receive the call and send it to the terminal that received the call on each line.

Embodiment FIG. 1 is a block diagram showing the main part configuration of a center network control device according to an embodiment of the present invention. In Figure 1',
11, 12, and 13 are lines #1 to #, respectively.
Line #1 control means to line #3 control means that capture incoming calls to 3 and perform reception processing, detect incoming calls from terminals, receive report data from the terminals, and transmit the data to call processing control means 14. are doing.

Reference numeral 15 denotes a storage means that temporarily stores information received from a terminal and information received from a host computer (not shown).

16 is when the call processing control means 14 receives report data from a terminal, and if this call processing control means 14 is in communication with a terminal that has received a call on another line, the call processing control means 14 continues until the call processing control means 14 becomes free. It is a queuing method for waiting.

17 is a host computer interface (hereinafter referred to as I
/F), which sends and receives data to and from the host computer.

FIG. 2 is a block diagram showing a specific circuit configuration of the center network control device of the present invention. In FIG. 2, reference numeral 21 indicates a central office line. When a call arrives from a terminal, the NCU unit 22 detects the call and sends the call to the line #1 via the data bus 23.
to the microcomputer 24 that controls line #3;
It informs you of the condition.

24a is an input/output unit of the microcomputer 24;
b is a line #1 control unit that knows the status of line #1 through the input/output unit 24a of the microcomputer 24, and transmits the line status to the microcomputer 28 that controls call processing via the data bus 27 and the input/output unit 28a. data is transferred.

26 is a light emitting diode (hereinafter referred to as LED) serving as a display means.
), the processing status of line #1 by the microcomputer 24 is input via the data bus 25 via the input/output unit 24a of the microcomputer 28 and is displayed.

Further, 30 indicates an address bus (not shown), a data bus 29, and an input/output unit 28a of the microcomputer 28.
This is a memory in which incoming call information from the line #1 control unit 24b is temporarily saved in the storage control unit 28e.

28c is a queuing control unit of the microcomputer 28, and when the host computer 34 is communicating with another line while incoming call information from a predetermined line control unit is being saved in the memo IJ 30, this host computer 3
microcomputer 2 until communication with 4 becomes free.
8 is placed on standby.

28d is a host computer I/F section of the microcomputer 28.

31 is a data bus for transmitting and receiving data between the microcomputer 28 and an R3232C interface (hereinafter referred to as R8232C) 32; 33 is a cable connecting the call processing control means 14 and the host computer 34; be.

Note that 35 is a power source.

Furthermore, in the above description, the NCU section 22 and the microcomputer 24 have been described only for the system of line #1, but each system of line #21 and line #3 are also configured in the same manner as line #l.

Next, the operation of the above embodiment will be explained. In the above embodiment, before explaining FIG. 1, the specific circuit shown in FIG. 2 will be described, and then the embodiment shown in FIG. 1 will be explained along the flowchart of FIG. 3.

In FIG. 2, when an incoming call is received from a terminal through a central office line 21, an NCU unit 22 detects the incoming call, and a microcomputer 24 controls the line through a data bus 23.
Informs the state of the navel.

The line #1 control unit 24b learns the incoming call status of the NCU unit 23 from the input/output unit 24a of the microcomputer 24 that controls line #1, and transmits it via the data bus 27 to the microcomputer 28 that controls call processing. .

This allows the microcomputer 2 that controls call processing to
The incoming information from the line #1 control section 24b is saved in the memory 30 via the address bus and the data bus 29 by the storage control section 28e via the input/output section 28a of No. 8.

At this time, if the host computer 34 is communicating with another line, the queuing control unit 28c waits until communication between the host computer 34 and the other line becomes free.

The call processing control unit 28b constantly monitors the status of communication between the host computer 34 and another line, and when the communication between the host computer 34 and the other line becomes idle, - The incoming call information from the terminal that was saved in the memory 30 is retrieved again and sent from the host computer I/F section 28d to the data bus 31, RS, 232. It is transmitted to the host computer 34 via the C section 32 and cable 33.

Setting values as return information are received from the host computer 34 via the R5232C unit 32 and data bus 31 from the host computer r/F unit 28d, the received setting values are temporarily saved in the memory 30, and the specified line control means The information is transmitted to the terminal by polling communication at regular intervals, and is transmitted to the terminal via the line control section and the NCU section, and upon receiving response reception information from the terminal, the line is disconnected.

Next, the operation of the main parts shown in FIG. 1 will be explained along the flowchart of FIG. 3. In step 41, line #1 control means 11 to line #3 control means 13 constantly monitor whether there is an incoming call from a terminal. For example, if there is an incoming call to line #1 control means 11, line #1 is controlled in step 42. The means 11 captures the line, and in step 43 the report data from the terminal is received.

The call processing control means 14, which controls the information received on each line, receives the information received on the designated line through polling communication at fixed intervals with the line #1 control means in step 44, and stores it in the storage means 15. Save once.

Next, in step 45, the host computer
It is determined whether the host computer is communicating with the line #2 control means 12 or the line #3 control means 13, and if the host computer is communicating with a terminal that has received a call on another line, the queuing means 16 makes the line free in step 46. Wait a certain amount of time until

Further, in step 45, if the host computer is not communicating with a terminal on another line, the process branches from step 45 to step 47, and the host computer I/F means 17 stores the information received from the line in the storage means 15. and send it to the host computer.

Thereby, in step 48, the setting value is received from the host computer by the host computer I/F means 17. This set value is temporarily saved in the storage means 15 by the call processing control means 14, and then the call processing control means 14- reads this set value from the storage means 15 and sends it to the designated line #1 control means 11.

Next, in step 49, the call processing control means 14 receives the setting value saved in the storage means]5, and the designated line #1 control means 11 stores this setting value in the call processing control means 14.
, and sends it to the terminal to release the line.

Effects of the Invention As described above, according to the present invention, when incoming call information is detected from a terminal through a line, the line control means captures this line and receives the incoming call, and the line control means performs polling at regular intervals. When the host computer performs communication and receives the incoming call information, and the host computer is communicating with a terminal that has received a call on another line, the queuing means waits until that line becomes free, and the host computer waits until the line becomes free, and then communicates between the other line and the host computer. call processing control means for transmitting the incoming call information to the host computer when the computer is not in communication, and receiving a setting value as return information from the host computer and transmitting it to a designated line control means; When the control means is performing polling communication with the line control means, writing and reading of the received incoming call information is performed under the control of the call processing control means, and the control means performs the writing and reading of the received incoming call information under the control of the call processing control means; The configuration includes storage means for writing and reading out the setting values under the control of the call processing control means.

Therefore, even if calls arrive from multiple terminals on different lines at the same time, the setting value is sent to one terminal, calls arriving on other lines are queued by the queuing means, and the above setting value is delivered. When the setting change of the queued terminal is completed, the incoming data regarding the queued terminal is sent to the host computer, the setting value is received as return information from the host computer, and the setting value is sent to the queued terminal to change the setting. By repeating this sequentially, even when a terminal receives a notification for each line at the same time, the notification data is sent to the host computer in sequence, and the set value is received as return information, and each line is This has the effect that the call can be sent to the terminal that received the call.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the main part configuration of a center NCU device in an embodiment of the present invention, FIG. 2 is a block diagram of a specific circuit of the same device, and FIG. 3 is a main part of the same device. This is a flowchart for explaining the operation. DESCRIPTION OF SYMBOLS 11... Line #1 control means, 12... Line #2 control means, 13... Line #3 control means, 14... Call processing control means, 15... Storage means, 16... - Queuing means, 34... host computer. Name of agent: Patent attorney Akira Okaji Two idiots Figure 1 64...Host computer

Claims (1)

[Claims] When incoming call information is detected from a terminal through a line, a line control means that captures this line and receives the incoming call, and this line control means performs polling communication at regular intervals to detect the incoming call. When information is received and the host computer is communicating with a terminal that has received an incoming call on another line, the queuing means waits until that line becomes free, and the host computer is not communicating with the other line. Sometimes, the call processing control means transmits the incoming call information to the host computer, receives a set value as return information from the host computer, and sends it to a designated line control means; When performing polling communication with the means, the received incoming call information is written and read under the control of the call processing control means, and the set value is written and read from the host computer. A center network control device comprising storage means for reading and reading under the control of the call processing control means.