KR960013274B1 - Electronic exchanger testing device - Google Patents

Abstract

The apparatus calls an auto-answering machine of the corresponding exchanger and measures a level of the auto-answering tone to check the speech quality of the trunk line. The apparatus comprises: a data interface unit for interfacing with a data bus circuit; a sub-highway bus interfacing unit for interfacing with a sub-highway bus circuit; an answering tone reception unit; the level measuring unit; an auto-answering tone generating and transmitting units; and a CPU for scheduling and controlling for operating all other units.

Description

Repeater automatic test apparatus for electronic exchanger and repeater automatic test method using the same

Figure 1 is a block diagram showing an embodiment of the schematic connection configuration of the automatic repeater test device for the electronic exchange according to the present invention and the TDX-1A / TDX-1B electronic exchange using the same.

2 is a flow chart of one embodiment of the automatic relay line test method according to the present invention.

* Explanation of symbols for main parts of the drawings

10 TDX-1A / TDX-1B electronic exchange 11 Data bus circuit

12 sub-highway bus circuit 13 input and output port

20: TDX-1A / TDX-1B repeater automatic test device 21: data bus matching circuit

22: sub highway bus matching circuit 23: auto answer tone receiving circuit

24 level measurement circuit 25 handset matching circuit

26: auto answer tone generating circuit 27: auto answer tone transmitting circuit

28: central control circuit

The present invention relates to a repeater automatic test apparatus and method, in particular, the operator is a domestic electronic exchanger such as TDX-1A (registered trademark) or TDX-1B (registered trademark) (hereinafter simply referred to as TDX-1A / 1B) When the relay line test is requested to the I / O port of the system, the answering machine of the power station is automatically called through the repeating line requesting the test, the level of the answering tone sent from the answering machine of the power station is measured, and the result is measured by the TDX-. The present invention relates to a repeater automatic test apparatus for a repeater and a repeater automatic test method using the same by outputting to an input / output port of a 1A / 1B electronic exchange to enable an operator to check the call quality of a live relay line.

Since the TDX-1A / 1B electronic switch currently used for public telecommunication network service does not have a test function for the relay line in operation, it often fails to prevent the subscriber from occupying a poor relay line and thus fails to provide quality service. It became.

In addition, even if the operator wants to check the call quality for the relay line which is judged to be a poor relay line, the test should be confirmed by a call test while continuously generating a call until the corresponding relay line to be checked is occupied. It was difficult and inefficient.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, by automatically checking the call quality for the relay line operating in the electronic exchange, it is possible to provide a good quality service to the subscriber, poor relay line The purpose of the present invention is to provide an automatic repeater test device for the electronic switchboard (TDX-1A / 1B) and a repeater test method using the same, which significantly reduce the time and manpower required to track the system.

The present invention provides a relay line automatic test apparatus for an electronic exchange having a predetermined data bus circuit, a sub-highway bus circuit, and an input / output port, in order to achieve the above object, a processor therein through a data bus of the electronic exchange. Data bus matching means for performing a matching function with a data bus circuit of the electronic switch to communicate a message with the electronic bus; In order to configure a communication path capable of receiving an answering machine tone sent from an answering device of a large country through the subhighway bus of the electronic exchange, and transmitting the answering tone to be transmitted to the electronic exchange through the subhighway bus. Subhighway bus matching means in charge of a matching function of the subhighway bus circuit of the electronic exchange; A response tone receiving means for receiving and supplying an answering tone sent from an automatic answering device of a large country to a specific timeslot (No. 1) of the sub-highway bus of the electronic switch; Level measuring means for measuring the level of the auto answer tone supplied by the response tone receiving means; Automatic response tone generating means for generating a predetermined automatic response tone when the automatic answering device of the electronic exchange is called for a relay line test in a large country; An automatic response tone transmitting means connected to an output end of the automatic response tone generating means and transmitting a response tone to a power station through a specific timeslot (No. 0) of a subordinate electronic switch subhighway bus; Handset matching means for allowing the operator to directly check the call quality by making a call with any subscriber of a large country through a specific relay line; And central control means for scheduling and controlling the performance of the data bus matching means, subhighway bus matching means, auto answer tone receiving means, level measuring means, auto answer tone generating means, auto answer tone transmitting means, and handset matching means. It provides a repeater automatic test apparatus comprising a.

In order to achieve the above object, the present invention provides an electronic switch having a predetermined data bus circuit, a sub-highway bus circuit, and an input / output port, and a data bus matching means and a subhighway bus matching. In a relay line automatic test method using a repeater automatic test device comprising a means, an automatic tone response unit, a level measurement means, an automatic tone response unit, an automatic tone response unit, a handset matching unit, and a central control unit, When a relay line test request command is input through the input / output port, a message requesting whether the relay line automatic test apparatus is normal is checked after checking whether the route state of the relay line and the test number of the station requested by the electronic exchange are registered. Transmitting a first step; A second step of the central control means of the relay automatic demonstration device receiving the message through the data bus matching means to check the hardware (H / W) state, and if it is normal, sending a message of the relay line test preparation request to the electronic exchange; ; Receiving the relay line test preparation request message from the electronic switch, connecting an internal switch circuit, and connecting a specific timeslot of a subhighway connected to the relay line automatic test device, a communication path between the switch and the relay line automatic test device The third step of constructing a; A fourth step of, when the configuration of the call is completed, calling a test number of a large station through a relay line to be tested, and transmitting a test preparation message to the relay line automatic test apparatus through data buses when a call is normally connected to the large station; A fifth step of, upon receiving the test preparation completion message from the automatic relay line test device, first checking whether the required test is a specific trunk line call test, and performing a predetermined test process according to the confirmed result; And when the required relay line test is completed, the relay line automatic test method characterized in that it is carried out including a sixth step of recovering the connected switch and channel.

In addition, the present invention, in order to achieve the above object, an electronic switch having a predetermined data bus circuit, a sub-highway bus circuit and an input / output port, and connected to the electronic switch, data bus matching means, sub-highway bus matching A relay line automatic test method using a repeater automatic test apparatus comprising a means, an automatic tone response unit, a level measurement unit, an automatic tone response unit, an automatic tone response unit, a handset matching unit, and a central control unit. A first step in which the exchange confirms receipt of an answer tone request from the large station; A second step in which the electronic exchange device connects an internal switch circuit and connects a specific timeslot (No. 0) of a subhighway bus connected with the relay line automatic test apparatus to form a communication path; A third step of, after completion of a call configuration, by the relay line automatic test apparatus, sending out a specific auto response tone generated by the auto answer tone generating means to the power station through the auto answer tone transmitting means; And a fourth step of recovering a switch and a channel to which the electronic exchanger is connected when the relay line test is completed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram illustrating an exemplary embodiment of a system configuration of an automatic repeater test apparatus for an electronic exchanger according to the present invention and a TDX-1A / 1B electronic exchanger using the same.

In the figure, 10 is a TDX-1A / 1B electronic switch, 11 is a data bus circuit, 12 is a subhighway bus circuit, 13 is an input / output port, 20 is a TDX-1A / 1B relay line automatic test apparatus, and 21 is data. Bus matching circuit, 22 subhighway bus matching circuit, 23 auto answer tone receiving circuit, 24 level measurement circuit, 25 handset matching circuit, 26 auto answer tone generating circuit, 27 auto answer tone transmitting circuit, 28 Each of the central control circuits is shown.

As shown in FIG. 1, FIG. 1 shows a relay line automatic test machine 20 according to the present invention in a TDX-1A / 1B switch 10 including a data bus circuit 11 and a subhighway bus circuit 12. As shown in FIG. As an exemplary configuration of the connected state, the configuration of an embodiment of the relay line automatic test apparatus 20 for the TDX-1A / 1B exchanger will be described in detail as follows.

The TDX-1A / 1B repeater automatic test apparatus 20 includes a data bus matching circuit 21, a sub highway bus matching circuit 22, an answer tone receiving circuit 23, a level measuring circuit 24, and a handset matching circuit ( 25), the answering tone generating circuit 26, the answering tone transmitting circuit 27 and the central control circuit 28 are configured to be connected to each other, the data bus matching circuit 21 is TDX-1A / 1B It is connected to the data bus circuit 11 of the switch 10 to communicate with the internal processors of the TDX-1A / 1B switch, and the subhighway bus matching circuit 22 switches the TDX-1A / 1B switch 10 Is connected to the sub-highway bus circuit 12 to form a communication path between the apparatus and the TDX-1A / 1B switch 10.

The answering tone receiving circuit 23 measures the answering tone received by the PCM subhighway timeslot number 1 in order to measure the level of the answering tone received from the answering machine of a large country. The level measuring circuit 24 full-wave rectifies the response tone received from the auto answer tone receiving circuit to measure a level using an analog / digital (A / D) converter, and the handset matching circuit ( 25) allows the operator to talk to the subscribers of a large country on a particular relay line, allowing the operator to check the call quality directly.

The answering tone generating circuit 26 generates an answering tone of 1020 Hz, -10 dBm when the answering machine 20 of the present invention is called by the TDX-1A / 1B switch in a large power supply, and supplies it to the answering tone transmitting circuit. The auto-answer tone transmitting circuit 27 transmits the auto-answer tone applied from the auto-answer tone generating circuit 26 to the PCM subhighway timeslot number 0, and the central control circuit 28 It is to control all signals related to the device.

Thus, the TDX-1A / 1B trunk line automatic test apparatus 20 of the present invention configured as described above performs a test when the operator requests the trunk line test to the input / output port 13 of the TDX-1A / 1B switch 10. Calls the answering machine of the power through the requested relay line, receives the answering tone sent from the answering machine of the power through the subhighway bus of the TDX-1A / 1B switch 10, and receives the answering machine. By measuring the level of and output the result again through the input and output port 13 of the TDX-1A / 1B switch 10, it is possible to automatically measure the call quality for the relay line.

And, if the operator wants to directly check the call quality status for the relay line that is judged to be a poor line, the operator can provide a call path to the requested specific relay line to perform manual call quality measurement for the specific relay line. do.

In addition, the TDX-1A / 1B trunk line automatic test apparatus 20 according to the present invention is a predetermined specific when the automatic response device of the TDX-1A / 1B switch 10 of the country to call the trunk line test in the country. The automatic response tone is to be sent. In a preferred embodiment of the present invention, a response tone of 1020 Hz and -10 dBm is transmitted.

2 is a flowchart illustrating an exemplary embodiment of an automatic relay line test method according to the present invention, in which an operator inputs a relay line test command to the input / output port 13 of the TDX-1A / 1B switch 10 or automatically responds from a power station. The following shows the execution process when a call of outgoing request is received.

First, when an operator inputs a trunk line test request command through the input / output port 13 of the TDX-1A / 1B switch 10 (101, 102), the corresponding processors of the TDX-1A / 1B switch 10 are tested. Investigate whether the required relay line route status and test number of the power station are registered (103), and TDX-1A / 1B relay line automatic by SDLC communication method through data bus connected with TDX-1A / 1B repeater automatic test device (20). A message requesting to check whether the test apparatus 20 is normal is transmitted (104).

When the irradiation request message is sent from the TDX-1A / 1B switch 10, the central control circuit 28 of the TDX-1A / 1B repeater automatic test apparatus 20 according to the present invention is the data bus matching circuit 21. Investigate the hardware (H / W) state of the TDX-1A / 1B repeater automatic test device 20 by receiving the message through the message, and if it is normal, prepare the repeater test with the corresponding processor of the TDX-1A / 1B switch 10. The message of the request is sent (105).

Then, the corresponding processors of the TDX-1A / 1B switch 10 receive the trunk line test preparation request message from the TDX-1A / 1B repeater automatic test apparatus 20, and then the inside of the TDX-1A / 1B switch 10 TDX-1A / 1B switch 10 and the TDX-1A / 1B relay line automatic test by connecting a switch circuit and connecting time slot 1 of the subhighway connected to the TDX-1A / 1B repeater automatic test device 20 A call path is constructed between the devices 20 (106).

When the configuration is completed through the call as described above, call the test number of the country through the relay line to be tested. When the call is normally connected to the station, the test preparation completion message is transmitted to the TDX-1A / 1B repeater automatic test apparatus through the data bus (107).

Then, the central control circuit 28 of the TDX-1A / 1B automatic test apparatus 20 receives the test preparation completion message through the data bus matching circuit 21, and then checks whether or not it is a specific relay test. If not the specific trunk line test, the level measurement circuit 24 is controlled to measure the level of the auto answer tone received through the sub highway bus matching circuit 22 and the auto answer tone receiving circuit 23 (110). Then, the result is transmitted to the corresponding processor of the TDX-1A / 1B switch via the data bus matching circuit 21 (111).

Then, the corresponding processor of the TDX-1A / 1B switch 10 that has received the measurement result from the TDX-1A / 1B repeater automatic test apparatus 20 outputs the result to the operator through the input / output port 13 (112). When the relay test is completed, the connected switch and the channel are restored (115).

On the other hand, if it is determined that the determination result of the process 108 of checking whether the specific trunk line call test is a specific trunk line call test, the call quality is directly checked by providing a channel to the operator through the handset matching circuit 25. When the required relay line test is completed (109), the connected switch and channel are restored and the execution ends (115).

Further, as described above, when the call of the answering machine sending request is received from the power station, not when the relay line test request command 102 is input from the operator, the corresponding processor of the TDX-1A / 1B switch 10 Connects the internal switch circuit of the TDX-1A / 1B switch 10 and connects the time slot 0 of the subhighway bus connected with the TDX-1A / 1B repeater automatic test apparatus 20 to form a communication path (113) ).

Thus, when the configuration of the call is completed, the TDX-1A / 1B trunk line automatic test device 20 sends the auto answer tone transmission circuit 26 to the auto answer tone of 1020 Hz and -10 dBm generated by the auto answer tone generating circuit 26. Through the transmission to the power (114). When the desired relay line test is completed, the corresponding processor of the TDX-1A / 1B switch 10 restores the switch and the channel 115 and ends the execution.

As described above, the TDX-1A / 1B trunk line automatic test apparatus according to the present invention automatically calls the automatic answering device of the power station through the relay line to be tested by the operator's trunk line test command, and transmits it from the answering machine of the power station. By measuring the level of an auto answer tone and outputting the result to the operator, it is possible to automatically measure the call quality of the trunk line, and also, if necessary, to establish a channel for a specific trunk line so that the operator can directly check the call quality. Provide to the operator. And, in case of calling the answering machine to TDX-1A / 1B switch for relay line test in large country, it sends out 1020Hz, -10dBm answering tone.

Therefore, the TDX-1A / 1B trunk line automatic test apparatus 20 according to the present invention automatically checks the call quality status of the trunk line being operated by the TDX-1A / 1B exchanger so that the defective trunk line can be repaired in advance. In addition to providing quality service to subscribers, it also has an excellent effect of significantly reducing the time and manpower required to track poor trunk lines.

Claims (7)

In a relay line automatic test apparatus for an electronic exchanger (10) having a predetermined data bus circuit (11), a subhighway bus circuit (12), and an input / output port (13), the data bus of the electronic exchanger (10) is connected. Data bus matching means (21) for performing a matching function with the data bus circuit (11) of the electronic exchange so as to communicate messages with the processor therein; A call capable of receiving an answering tone sent from an answering device of a large country through the subhighway bus of the electronic exchange 10, and transmitting the answering tone to be sent to the electronic exchange 10 through the subhighway bus. Subhighway bus matching means (22) for performing a matching function with the subhighway bus circuit of the electronic exchange (10) to form a furnace; Response tone receiving means (23) for receiving and supplying an answering tone sent from an automatic answering device of a large country to a specific timeslot of the sub-highway bus; Level measuring means (24) for measuring the level of the auto answer tone supplied by the response tone receiving means (23); Automatic response tone generating means (26) for generating a predetermined automatic response tone when the automatic answering device of the electronic exchange (10) is called for relay line testing in a large country; It is connected to the output terminal of the automatic answer tone generating means 27, automatic answer tone transmitting means 27 for transmitting a response tone to the power station through a specific timeslot (0) of the sub-highway bus of the electronic exchanger (10). ; And the data bus matching means 21, the sub highway bus matching means 22, the auto answer tone receiving means 23, the level measuring means 24, the auto answer tone generating means 26 and the auto answer tone transmitting means ( 27. A repeater automatic test apparatus for an electronic exchange comprising a central control means (28) for scheduling and controlling the performance of all operations. 2. The relay line autonomous system according to claim 1, further comprising a handset matching means (25) for allowing the operator to directly check the call quality by making a call with any subscriber of a large country through a specific relay line. Test equipment. 3. The apparatus of claim 1 or 2, wherein the auto answer tone used for the repeater test is 1020 Hz, -10 dBm. An electronic switch 10 having a predetermined data bus circuit 11, a sub highway bus circuit 12, and an input / output port 13, and a data bus matching means 21 connected to the electronic switch 10. ), Subhighway bus matching means 22, auto answer tone receiving means 23, level measuring means 24, auto answer tone generating means 26, auto answer tone receiving means 27, handset matching means 25 In the automatic repeater test method using the repeater automatic test apparatus having a central control means (28), when the operator inputs a repeater test request command through the input / output port (13, 102), the electronic Investigating (103) whether the route state of the relay line required for the test and the test number of the power is registered at the exchange 10 (103), and then transmitting a message requesting whether the relay line automatic test apparatus 20 is normal (104). First step; The central control means 28 of the automatic relay line test device 20 receives the message through the data bus matching means 21 to check the hardware (H / W) state, and if the normal state, to the electronic exchange 10. A second step of transmitting 105 a message of a relay line test preparation request; The relay switch 10 receives the relay line test preparation request message, connects an internal switch circuit, connects a specific timeslot of the subhighway connected to the relay line automatic test device 20, and the switch 10 A third step (106) of constructing a call path between the relay line automatic test devices; When the configuration of the call is completed, the test number of the power station is called through the relay line to be tested, and when the call is normally connected to the power station, a test completion message is transmitted to the automatic relay line test device through the data bus (107). step ; When the relay test device 20 receives the test preparation completion message, first, whether the required test is a specific relay call test (108), and performing a predetermined test process according to the confirmed result (109, 110, 111, 112) 5th step; And a sixth step of recovering the connected switch and channel (115) when the required relay line test is completed. 5. The method of claim 4, wherein the fifth step comprises the steps of: (108) checking whether the required test is a specific trunk line call test; If the required test is not a specific trunk line call test, the level measuring means 24 controls the level of the received auto answer tone (110), and then transmits the result (111) to the electronic exchange (111). ; And the electronic exchanger 10 receiving the measurement result from the automatic relay line tester 20 by the second process and outputting the result to the operator through the input / output port 13 (112). Relay line automatic test method, characterized in that. 5. The method of claim 4, wherein the fifth step comprises the steps of: (108) checking whether the required test is a specific trunk line call test; And if the required test is a specific trunk line call test, by the second process of providing a call path to the operator through the handset matching means 25 to directly check the call quality (109). Relay line automatic test method. An electronic switch 10 having a predetermined data bus circuit 11, a sub highway bus circuit 12, and an input / output port 13, and a data bus matching means 21 connected to the electronic switch 10. ), Sub highway bus matching means 22, auto answer tone receiving means 23, level measuring means 24, auto answer tone generating means 26, auto answer tone transmitting means 27, handset matching means 25 And an automatic repeater test method using a repeater test device having a central control means (28), wherein the automatic changer (10) confirms receipt of an automatic response tone transmission request from a large power station (102). ; A second step of the electronic switch 10 connecting an internal switch circuit and connecting a specific timeslot of a subhighway bus connected with the relay line automatic test apparatus 20 to form a communication path (113); After the configuration of the call is completed, the trunk line automatic test apparatus 20 transmits a specific auto response tone generated by the auto answer tone generating means 26 to the power station through the auto answer tone transmitting means 26 (114). 3rd step; And a fourth step of recovering a switch and a channel to which the electronic exchanger 10 is connected (115) when the relay line test is completed.