KR100208234B1 - Method for function examination in full electronic switching system - Google Patents

Abstract

The present invention relates to a functional test method of an electronic switching system suitable for testing the R2 / DTMF signal transmission / reception function in an electronic switching system. In the prior art, a test signal is written and transmitted to all channels for a predetermined time. After that, the received and read signals are read and read, and the data transmitted and the received data are checked for equality. Therefore, the detection time is fixed, so that the tested board is bad. It was not possible to check whether it was not detected within a certain time, but in the present invention, the tester can check the signal detection time by adjusting the timer interrupt period to execute the interrupt periodically so that the cause of the error of the board to be tested can be found. To overcome the above-mentioned drawbacks It is capable.

Description

Functional test method of electronic changer

1 is a block diagram showing an embodiment of a signal test apparatus that can be applied to the functional test method of the electronic switch according to the present invention.

Figure 2 is a flow chart showing step by step an embodiment of a functional test method of an electro-electronic exchange according to the present invention.

* Explanation of symbols for main parts of the drawings

10: main processor 20: display unit

30: signal test device 32: matching unit

34 control unit 36 transmission unit

38 loopback circuit 40 receiver

FIELD OF THE INVENTION The present invention relates to a method for testing the functionality of an all-electronic exchange, and more particularly, to a method for testing the functionality of an all-electronic exchange suitable for testing R2 / DTMF signal transmission / reception functions in an all-electronic exchange system.

In this regard, a method for testing an R2 / DTMF signal transmission / reception function in an all-electronic exchange system according to the related art is as follows.

Select the test board to test and select the test signal to write and transmit the test signal to all channels. After a certain time, the received signal is received. Then, the data read and transmitted are checked for equality.

That is, if the transmitted data and the received data are the same, it is determined as a test pass, and conversely, if the transmitted data and the received data are not the same, it is determined as fail.

However, in such a conventional technique, the detection time is fixed because the test signal is written and transmitted to all channels, and after a predetermined time, the received and read signal is read and read to check whether the received data and the received data are the same. As a result, when the tested board was defective, it was not possible to confirm whether the tested board was not detected at all or not detected within a certain time due to incorrect timing.

The present invention has been made in order to solve the drawbacks of the prior art, and if the tested board is bad, by increasing the detection time at regular intervals and testing, the test board is not detected at all or the timing is not correct. The aim is to provide a functional test method for an electronic changer that can be checked for detection within an hour.

Hereinafter, with reference to the accompanying drawings an embodiment of the present invention for achieving the above object is as follows.

Referring to FIG. 1, FIG. 1 is a block diagram showing an embodiment of a signal test apparatus that can be applied to a functional test method of an electronic switch according to the present invention, and outputs channel information and data information at the start of a test. A main processor (MP) 10, a display unit 20 for applying a test start command to the main processor 10 and displaying a test state, and receiving channel information and data information from the main processor 10. The matching unit 32 converts the form into a form usable by the signal testing apparatus 30 and outputs the reverse function, and receives the channel information and the data information from the matching unit 32, and performs the reverse function. The controller 34 controls the respective functions of the signal testing device 30, and receives channel information and data information from the controller 34 to generate PCM (Pulse Code Modulation) data designated for each channel. A loopback circuit 38 for looping back and outputting the PCM data from the transmitter 36 under the control of the control unit 34 and an output from the loopback circuit 38. And a receiving unit 40 which is authorized and notified to the control unit 34.

The present invention thus made will be described with reference to FIG.

First, the main processor 10 receives the test start command from the display unit 20 and outputs channel information and data information at the start of the test, and the display unit 20 applies the test start command to the main processor 10 and the test state. Is displayed so that the user can visually know the test status.

Next, the matching unit 32 in the signal test device 30 receives channel information and data information from the main processor 10, converts the data into a form that can be used by the signal test device 30, and outputs the converted information. The controller 34 receives channel information and data information from the matching unit 32 and outputs the same, performs the reverse function, and controls each function of the signal test apparatus 30.

In addition, the transmitter 36 receives the channel information and the data information from the controller 34 to generate and transmit the PCM data designated for each channel, and the loopback circuit 38 performs the transmitter 36 under the control of the controller 34. The PCM data from the loopback is outputted by loopback, and the receiver 40 receives the output from the loopback circuit 38 and notifies the controller 34.

2 is a flow chart showing step by step an embodiment of a functional test method of an electro-electronic exchange according to the present invention.

First, a test board to be tested is selected, a corresponding test signal is selected, a specific signal detection time is input, and test data is written to each channel transmission region (100, 110, 120).

Next, the timer interrupt is enabled to increase the count of the timer counter by a predetermined time every time the timer interrupt is performed, so that the count becomes the time input by the tester (130, 140, 150).

Therefore, when the count reaches the time input by the tester, the timer interrupt is disabled and the data of each channel reception area is read to check whether the received data for each channel is the same as the transmitted data (160 and 170).

If the transmitted data and the received data are the same, it is determined to pass the test. On the contrary, if the transmitted data and the received data are not the same, it is determined to fail (180, 190).

As described above, the present invention allows the tester to check the signal detection time by adjusting the timer interrupt period and periodically executing the interrupt, thereby finding the cause of the error of the board to be tested.

In other words, if the test board is defective, the test time is increased by a predetermined interval to check whether the test board is a board that cannot be detected at all or whether the test board is not detected within the time input by the tester because the timing is not correct.

Claims (1)

Selecting a test board to be tested, selecting a corresponding test signal, inputting a specific signal detection time, and writing test data to each channel transmission area (100, 110, 120); Enabling the timer interrupt to increase the count of the timer counter by a predetermined time each time the timer interrupt is performed so that the count becomes the time input by the tester (130, 140, 150); Disabling the timer interrupt when the count reaches the time input by the tester and reading data of each channel receiving area to check whether the received data for each channel is the same as the transmitted data (160, 170); And determining (180,190) that the test passed if the transmitted data and the received data are the same, and failing if the transmitted data and the received data are not the same (180, 190).