JPS62258546A - Isdn exchange test system - Google Patents

Abstract

PURPOSE:To improve the operability, to reduce the installation cost at the service extension and to simplify the test by selecting a terminal equipment for a conventional telephone set or an ISDN terminal equipment based on the attribute of an equipment to he tested or the service. CONSTITUTION:A designation number for a subscriber to be tested is inputted from a test common operation console 24 at the test. A central control processing unit 18 uses a designation number to discriminate the attribute of the subscriber to be tested from the designation number and when the unit discriminates an ISDN terminal equipment, the test execution is instructed to an ISDN subscriber line test device 21 as it is. If the unit 18 discriminates a conventional telephone set, the changeover of a changeover switch 25 is instructed to the device 21 and the test execution is instructed to a conventinoal subscriber line test device 20.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a test method for telephone exchanges that accommodate both ISDN terminals and regular telephones.

[Prior Art] Conventionally, there have been the following test devices for switching exchanges accommodating ordinary telephones.

The first device is a subscriber test device that tests devices outside the exchange, such as telephones, subscriber premises equipment, subscriber lines, and subscriber line interface devices. or,
As a second device, there is a system test device that tests things inside the exchange, that is, subscriber line control devices, exchange switch networks, trunk control devices, various trunks, and the like.

[Problems to be solved] In recent years, a new service called SDN has been introduced. When adding ISDN equipment to a switch to make it an 15DN switch, or when installing a new ISDN switch, ISDN subscriber testing equipment and system testing equipment are essential. However, these ISDN test equipment are different from conventional test equipment, and therefore, in ISDN exchanges, normal test equipment and ISDN test equipment must be installed separately, resulting in an increase in the size of the exchange itself. was. Furthermore, in this case, maintenance and operation must be carried out independently, which has the disadvantage that maintenance and operation of a single exchange is more complicated than when it is old. Furthermore, when a normal test device and an ISDN test device are integrated, the maintenance work may be reduced, but the test device becomes large and complicated.

[Solving the Problems - Stage F] This invention was made in view of the IT circumstances described in I.
In the I5DN exchange test method that accommodates SDN terminals and ordinary telephones, a first test device that tests ordinary telephones or telephone services, and an ISDN terminal or I5D
a second test device that conducts a trial of the N service; a common operation console connectable to the first and second test devices; and the first or second test device based on the attributes of the device under test and the service. and selection means for selecting.

['y, Example] Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of an I5DN switch that is used in the ISDN switch test method according to the present invention. In this figure, 1 is an ordinary telephone set, and 10a is an ordinary subscriber line interface device. This normal subscriber line interface device 10a is an exchange switch for the normal telephone 1,
Connect to l11116.

Further, 20 is a normal subscriber line testing device, which normally tests the telephone 1 and sends the test results to the common operator console 2 for subscriber trial testing.
Supply to 4. Further, this normal subscriber line testing device 20 operates by switching the changeover switch 2 according to instructions from the central control processing device 18.
Switch 5.

On the other hand, 22 is usually a system test equipment, and 10b
This normal system test equipment 22 is replaced by the switch network 16.
This is usually a subscriber line interface device that connects to a subscriber line.

The normal system test device 22 tests the normal subscriber line system including the L normal telephone 1 and the normal subscriber line interface devices 10a and 10b, and supplies the test results to the system testing common operation console 26. Further, this normal system testing device 22 switches the changeover switch 25 according to instructions from the central control processing device 18.

Reference numeral 14 denotes a normal subscriber line control device, which controls the normal subscriber line interface devices 10a and 10b according to instructions from the communication path system control device 17.

Further, 12 is a normal subscriber line lead-in phase changeover switch, and when the line is in use, the switch 12a is made with the contact shown in the figure, and the switch 12b is turned off. or,
During normal testing, the switch 12a is connected to the upper contact in the figure, and the switch 12b is turned off. Further, during a system test, the switch 12a is connected to the upper contact point in the figure, and the switch 12b is turned on.

On the other hand, 2 and 3 are respectively an I SDN phone and an I5DN,
The first terminal, lla, is an ISDN subscriber line interface device. This ISDN subscriber line interface device 11a connects the ISDN telephone 2 and the I5DN composite terminal 3 to the exchange switch network 16.

In addition, 21 is a line testing device for subscribers for I5DN, and I
The SDN telephone 2 and the 15DN composite terminal 3 are tested, and the test results are supplied to the common operation IE 24 for subscriber testing. Moreover, this ISDN subscriber line testing device 21 is as follows:
Center: The selector switch 25 is switched according to instructions from the v control processing device 18.

On the other hand, 23 is the l5DN river system test equipment, and 1
1b is an ISDN subscriber name line interface device that connects this ISDN system trial device 23 to exchange switch %16.

The I SDN system test device 23 is
I including the telephone 2, the I SDN composite terminal 3, and the I SDN subscriber line interface device 11a, llb.
The SDN subscriber line system is tested and the test results are supplied to the system test common operation console 26. Also, this I
The SDN system testing device 23 switches the changeover switch 27 according to instructions from the central control processing device 18 .

Further, 15 is an I Sll>N subscriber line control device,
The ISDN subscriber line interface devices 11a and llb are controlled according to instructions from the communication path system control device 17.

Reference numeral 13 denotes an ISDN subscriber line lead-in selector switch, and when the 15DN line is used, the switch 13a is made into the upper contact point in the figure, and the switch 13b is turned off. Further, during normal testing, the switch 13a is connected to the upper contact point in the figure, and the switch 13b is turned off. Also, during the J system test, the switch 13a is connected to the upper contact point in the figure, and the switch 13b is turned on.

The common operation console for subscriber testing 24 instructs the normal subscriber line testing equipment 20 or the ISDN subscriber line testing equipment 21 to start testing, and also
．． Display the test results supplied from 21.

The system test common operation 1126 instructs the normal system test device 22 or the ISDN system test device 23 to start a test, and also instructs the normal system test device 22 or ISDN system test device 23 to start the test.
Display the test results supplied from 3.

In the configuration described above, the common operation for subscriber testing*24 is initially connected to the ISDN subscriber line testing device 21 via the changeover switch 25.

When starting the test, the maintainer inputs the subscriber's designated number (
(hereinafter referred to as the designated number), that is, the subscriber number or subscriber line accommodation location number. At that time, the maintainer does not need to be aware of the subscriber line testing equipment main body (hereinafter referred to as the testing equipment main body) used by the subscriber under test. The information is transmitted to the control processor 18 . The central control processing unit 18 determines the attributes of the subscriber to be tested from the specified number, and if it is recognized as an ISDN terminal, it directly instructs the I5DN subscriber line testing device 21 to execute the test. The subscriber line testing device 21 for l5DN includes an operation console 24 and a central control processing bag W1.
From 18: Conduct a test based on the received information and display the results on the console 24. If it is recognized as a normal telephone, it instructs the 15DN subscriber line testing device 21 to switch the selector switch 25, and also instructs the normal subscriber line testing device 20 to execute the test. ISDN
When the subscriber line testing device 21 receives the switching instruction, it switches the changeover switch 25 to the normal subscriber line testing device 20 side and interrupts the test execution. Also, the normal subscriber line testing device 20
When it receives the execution instruction, it resends the information from the operator console 24 or the ISDN subscriber line testing device 21, executes the test, and manipulates the results! 324. After the test is completed, the changeover switch 25 is returned to its original position. When executing a system test, as in the subscriber line test, by switching between the ISDN system test equipment 23 and the normal system test equipment 22 according to instructions from the central control processing unit 18, system tests can be performed in accordance with each service. It is.

[Effect of the invention] According to the invention as explained above.

In the ISDN exchange test method that accommodates ISDN terminals and regular telephones, a first test device that tests regular telephones or telephone services, and a second test device that tests ISDN terminals or I5DN services. and,
a common operation connectable to the first and second test devices; and a selection step for selecting the first or second test device based on the attributes of the device under test and the service;
It improves operability for maintenance personnel, and when expanding ISDN services, equipment costs become cheaper and testing becomes more complicated.

In addition, in the case of a regular telephone exchange for I/: or I SD
In the case of a switch exclusively for N terminals, there is no need to install unnecessary test equipment1), and the test equipment becomes extremely inexpensive.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of an ISDN switch to which the rSDN switch test method according to the present invention is applied. ■5 emails Normal product 2.l SDN telephone 3: 5DN composite terminal 10 Normal subscriber line interface device 11:
l5DN subscriber line interface device 12: Normal subscriber line introduction changeover switch 13: l5
DN subscriber line lead-in changeover switch 14: Normal subscriber line control device 15: DN subscriber line control device 16' exchange switch network 17: Communication path system M control device 18: Central control processing device 20: Normal subscriber line test Device 21: I SDN subscriber line testing device 22: Normal system testing device 23: I SDN system testing device 24: Common operator console for subscriber testing 25: Changeover switch 26: Common operator console for system testing 27: Changeover switch

Claims (1)

[Scope of Claims] In an ISDN exchange test method that accommodates ISDN terminals and regular telephones, a first test device that tests a regular telephone or telephone service;
a second test device that tests the N terminal or ISDN service; a common console that can be connected to the first and second test devices; and selection means for selecting a test device.