JPS61145948A - Method of testing exchange - Google Patents

Abstract

PURPOSE:To enable a subscriber to know that the exchange is under test by connecting a subscriber's terminal separated from an exchange to an interface circuit for subscriber during test and connecting the subscriber's terminal to an announcement transmitting circuit when calling from a telephone subscriber under test is detected. CONSTITUTION:Normally, a relay for test 3 connects a subscriber's terminal 1 and a subscriber's interface circuit 4 and separates a testing equipment 6 from the subscriber's interface 4. At the time of testing, the relay for test 3 connects the subscriber's terminal 1 to a subscriber's interface circuit 7 during testing, and connects the testing equipment 6 to the subscriber's interface circuit 4. A controlling device 9 monitors calling of the subscriber's terminal 1 through the subscriber's interface circuit 7 during testing, and when calling is detected, connects the subscriber's interface circuit during testing 7 and an announcement transmitting circuit 8 by a network 5, and sends out announcing to the subscriber's terminal 1.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for testing switching equipment, and in particular to a method for testing subscriber interface circuits and networks.

[Conventional technology]

A conventional test method for switching equipment will be explained using FIG. 2. In FIG. 2, 1 is a subscriber terminal, 2 is a subscriber line, 3 is a test relay, 4 is a subscriber interface circuit, 5 is a network, 6 is a test device, and 9 is a control device.

In the device configured in this way, subscriber line 2. In order to test the subscriber interface circuit 4 and network 5 on the exchange side by eliminating the influence of the subscriber terminal l,
Two test relays 3 are used to disconnect the telephone subscriber's subscriber terminal 1 from the exchange, and a test device 6 is connected to the subscriber interface circuit 4 for testing.

[Problem that the invention seeks to solve]

In the conventional test method described above, the subscriber terminal 1 is disconnected from the exchange during the test, so the telephone subscriber cannot hear anything even if he or she makes a call and cannot know that the test is in progress. [Means for solving the problem] In order to solve this problem, the present invention connects the subscriber terminal disconnected from the exchange to the subscriber interface circuit under test. The control device of the exchange monitors calls from the interface circuit for the subscriber under test, and when a call from the telephone subscriber under test is detected, the subscriber terminal of that telephone subscriber is connected to the announcement sending circuit. It was designed to connect to.

[Effect]

In the present invention, when a call is placed by a telephone subscriber, the announcement sending circuit notifies the subscriber that a test is being carried out.

〔Example〕

FIG. 1 shows a block system diagram for explaining an embodiment of the switching equipment testing method according to the present invention.

In FIG. 1, 7 is an interface circuit for a subscriber under test, and 8 is an announcement sending circuit.

In FIG. 1, the same or equivalent parts as in FIG. 2 are given the same reference numerals.

Next, the operation of the device constructed in this way will be explained. The test relay 3 normally connects the subscriber terminal 1 and the subscriber interface circuit 4 and separates the test device 6 from the subscriber interface circuit 4. During a test, the test relay 3 connects the subscriber terminal 1 to the subscriber interface circuit 7 under test, and connects the test device 6 to the subscriber interface circuit 4. The control device 9 monitors the calling of the subscriber terminal 1 via the interface circuit 7 for the subscriber under test, and when detecting a call, the control device 9 connects the ink face circuit 7 for the subscriber under test and the announcement sending circuit 8. is connected by network 5, and the subscriber terminal! Send an announcement to. Note that the subscriber ink face circuit 7 under test does not require any special functions, and a general subscriber ink face circuit 4 can be used.

Even if the subscriber terminal 1 that made a call during the test is connected to a switching board or tone sending circuit instead of connecting it to the announcement sending circuit 8, the effect of the present invention will not be impaired, and the subscriber terminal 1 that made the call during the test can be connected to a switching board or tone sending circuit instead of connecting it to the announcement sending circuit 8. A similar effect can be obtained by directly connecting the subscriber under test interface circuit 7 and the announcement sending circuit 8.

〔Effect of the invention〕

As explained above, the present invention connects a subscriber terminal to the subscriber interface circuit under test during a test, and when a call from the telephone subscriber under test is detected, the subscriber terminal of the telephone subscriber under test is connected. By connecting the terminal to the announcement sending circuit, the announcement can be sent to the subscriber terminal, which has the effect of letting the subscriber know that a test is being carried out.

[Brief explanation of the drawing]

FIG. 1 is a block system diagram for explaining an embodiment of a switching equipment testing method according to the present invention, and FIG. 2 is a block system diagram for explaining a conventional switching equipment testing method. 1...Subscriber terminal, 2...Subscriber line, 3...
・Test relay, 4... Subscriber interface circuit, 5... Network, 6... Test equipment 7.
...Subscriber interface circuit under test, 8...
Announcement sending circuit, 9...control device.

Claims (1)

[Claims] In an exchange testing method in which a subscriber terminal is disconnected from the exchange and the subscriber interface circuit and network are tested, the subscriber terminal disconnected from the exchange is connected to the subscriber interface circuit under test, and The method is characterized in that calls are monitored on the interface circuit for the subscriber under test, and when a call from the telephone subscriber under test is detected, the subscriber terminal of the telephone subscriber is connected to the announcement sending circuit. How to test switching equipment.