JPH0253359A - Coin reception testing method - Google Patents

Abstract

PURPOSE:To improve the efficiency of coil reception testing work by sending a coin receiving signal from a coin receiving signal source through a circuit for coin signal guide and a subscriber circuit to a circuit for public telephone set with the operation of a subscriber testing terminal and executing a prescribed coin reception test. CONSTITUTION:A maintener operates a subscriber testing terminal 4 and closes an SW2a of a subscriber testing device 2, earth is given to a driving relay 8 of a circuit 1 for coin signal guide and SWs 8a and 8b are closed. Then, a coin receiving signal (a) of a coin receiving signal source 5 is inputted to the primary coiling of a coin signal guide transformer 7 and by this primary coiling, a coin receiving signal (b) is guided to a secondar coiling and sent to connecting lines 9 and 10. This coin receiving signal (b) is sent through SWs 3a and 3b of a subscriber circuit 3 to lines 18 and 19. Next, the maintener operates the subscriber testing terminal 4 and gives an order for the coin reception test to the subscriber testing device 2. Thus, the necessary test can be easily executed.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a coin storage test method for public telephones [Prior Art] Conventionally, in the coin storage test method, a maintenance person went to the public telephone to be tested and How to check whether coins can be stored by making a call using a public telephone, and how to check the lead of the coin storage signal source connection relay of the coin signal guidance circuit on the MDF (main distribution board). There is a method of activating a coin signal guiding circuit added to the subscriber circuit by applying earth air, and testing the function of this coin signal guiding circuit.

[Problem to be solved by the invention]

The conventional coin storage test method described above has the following drawbacks.

(b) If the method involves making one call from the public telephone under test, a maintenance person must go to the public telephone.

(b) In the method of activating the coin signal induction circuit by applying earth to the lead of the coin storage signal source connection relay,
The work is complicated as it is necessary to find the reeds on the MDF to give earth energy.

SUMMARY OF THE INVENTION An object of the present invention is to provide a coin storage test method that solves the above-mentioned conventional problems and allows a coin storage test to be easily performed on a telephone under test from a subscriber line test terminal.

[Means to solve the problem]

The coin storage test method of the present invention connects the primary winding side of a coin signal induction transformer constituting a coin signal induction circuit to a coin storage signal source via a drive relay, and connects the secondary winding side to a subscriber test. the driving relay is connected between the device and the subscriber circuit, and the driving relay is connected to the subscriber testing equipment so as to be controllable from the subscriber testing terminal, and the driving relay is connected from the subscriber testing terminal to the subscriber testing equipment. By operating the coin storage signal source, the coin storage signal from the coin storage signal source is sent to the public telephone line via the coin signal induction transformer and the subscriber circuit, and a required coin storage test is performed based on this coin storage signal. It is characterized by

〔Example〕

Embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram showing a coin storage test method according to an embodiment of the present invention.

The coin storage test method connects a coin signal guiding circuit l between a subscriber test device 2 and a subscriber circuit 3, and receives a coin storage signal a from a coin storage signal source 5 by operating a subscriber test terminal 4. Each time a call is sent to the public telephone 6, a coin storage test is performed.

The coin signal guiding circuit 1 includes a coin signal guiding lance 7 and a drive relay 8. One side of the secondary winding of the coin signal induction transformer 7 is connected to the subscriber test device 2, and the other side is connected to the S of the subscriber circuit 3 via connecting wires 9 and 1o.
It is provided in a state connected to W (switches) 3a and 3b. The drive relay 8 is connected to the S W 2 a of the subscriber testing device 2 via the sleeve wire 11, and the S W 2 a
It is designed to be driven by closing a. Further, the drive relay 8 has a function of closing 5Ws 8a and 8b when driven. 5W8a and 8b are attached to the primary winding side of the coin signal induction transformer 7. 5W8a and 8b transmit the coin storage signal a sent from the coin storage signal source 5 via the sending line 12.13 to the coin signal induction transformer 7.
It is for holding or input before the primary winding of the.

The subscriber test terminal 4 has a function of controlling the SW 2 a for the drive relay 8 of the subscriber test device 2 and the 5Ws 3 a and 3 b of the subscriber circuit 3 via the exchange 14 .

The public telephone 6 is connected to the subscriber circuit 3 via a coin signal guiding circuit 15. Coin signal guidance circuit 1
Reference numeral 5 guides the coin storage signal a from the coin storage signal source 5 to the public telephone 6 during normal times, and includes a coin signal induction transformer 16 and a drive relay 17. The coin signal induction transformer 16 has a 5W terminal connected to the subscriber circuit 3 on one side.
3a and 3b, and the other side is connected to the public telephone 6 via lines 18 and 19.

The coin storage test of the public telephone 6 is conducted as follows.

The maintenance person operates the subscriber test terminal 4 and checks the subscriber circuits 3 and 5.
Control W3a and 3b to connect line 18.19 and connection line 9,1
Try to connect with 0. As a result, the line of public telephone 6 is
Connection lines 9, 10. The coin signal is drawn into the subscriber testing device 2 via the coin signal induction transformer 7 of the coin signal induction circuit 1.

Subsequently, the maintenance person operates the subscriber test terminal 4 and closes 5W2a of the subscriber test device 2. When you close 5W2a, the coin signal,! Earth air is applied to the y8 conducting conduit circuit single-motion relay 8, and 5W8a and 8b are closed.

By closing 5W8a and 8b, the coin storage signal a of the coin storage signal source 5 is input to the primary winding of the coin signal induction transformer 7, and the coin storage signal b)) is induced into the secondary winding by this secondary winding. and sent out to connection line 910. This coin storage signal is sent to the line 18.19 via 5W3a, 3b of the subscriber circuit 3.

After transmitting the coin storage signal from the coin storage signal source 5 to lines a18 and 19 of the public telephone 6, the custodian operates the subscriber test terminal 4 and performs an operation for the coin storage test.
- By supplying the data to the subscriber testing device 2, the required test can be executed.

〔Effect of the invention〕

As explained above, the coin storage test method of the present invention
A coin signal guidance circuit is connected between the subscriber test device and the subscriber circuit, and the coin storage signal from the coin storage signal source is transmitted to the coin signal guidance circuit by operating the subscriber test terminal.
The data is sent to the public telephone line via the subscriber circuit, and the required coin storage test is performed thereby, resulting in the following effects.

The coin storage test can be easily performed by operating the subscriber test terminal.

As a result, maintenance personnel have to go to public telephones or
There is no need to search for a lead on the F, and the efficiency of coin storage test work can be improved.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a coin storage test method according to an embodiment of the present invention. 1... Coin signal guiding circuit 2... Subscriber testing device 3... Subscriber circuit 4... Subscriber testing terminal 5... Coin storage signal source 6...Public telephone 7...Coin signal induction transformer 8...Drive relay

Claims (1)

[Claims] (1) The primary winding side of the coin signal induction transformer constituting the coin signal induction circuit is connected to the coin storage signal source via the drive relay, and the secondary winding side is connected to the subscriber test equipment and the subscriber circuit. and connecting the driving relay to the subscriber testing device so as to be controllable from the subscriber testing terminal, and operating the driving relay from the subscriber testing terminal via the subscriber testing device, A coin storage signal from the coin storage signal source is sent to a public telephone line via the coin signal induction transformer and a subscriber circuit, and a required coin storage test is performed based on the coin storage signal. Storage test method.