SU849532A1 - Device for monitoring decade-step automatic telephone exchange channel - Google Patents

Description

search for and the second input of each search block connects to the corresponding additional outputs of the connection block, to the input of which the first output of the recorder information on the free movement of searchers is connected, the second output of which is connected to the input of the recording unit, while the input of the recorder of information about the free movement of searchers is connected About a quarter of the output of the control unit.

The drawing shows a structural electrical circuit of the proposed device.

The device contains a subscriber set 1, n-1 of search blocks 2, where n is the number of search steps, search steps 3-8, connection block 9, control block 10, recording block 11, a buzzer recorder 12, a pulse generator 13 and a recorder 14 information about the free movement of seekers, which contains fixers of the number of operations of the electromagnet of seekers of search steps.

The device works as follows.

The connection unit 9 makes the connection to the subscriber set (AK) 1 of the control subscriber and occupies the corresponding device of the 3 search steps. From this moment on stage 3, the free search for the device of stage 4 begins. During the free movement of the searcher, the recorder 14 and the recorder 12 are connected to the line using the control unit 10. The number of the device occupied by the stage 4 corresponds to the number of actuators of the electromagnet of the searcher level 3. In each step of the free movement Using the search unit 2, the conversational wires transmit pulses of direct current or control frequency to the device. These pulses are received by the recorder 14 and recorded in the first latch. The failure of pulses on the free movement of the searcher of stage 3 indicates that there are no failures on the section AK - level 3. The address of the section of not passing is determined by the number AK 1 of the test subscriber and printed by block 11 entries. Arrival of the buzzer signal Zanto in the recorder 12 indicates that all the available devices of stage 4 are busy. At the same time, AK 1 of another control subscriber is occupied and the described process is repeated.

When a buzzer signal arrives, the station responds to the recorder 12, the control unit 10 starts the generator-torus 13 and dials the first

digits of the number of the second AK 1 control subscriber and the searcher's brush st-. penalty 4 is set for a given decade. In the inter-series time, a free search for the device is performed.

step 5. During the free movement of the searcher to the line with the help of block 10, the recorder J 4 is connected. After the free movement of the searcher of step 4 in the recorder

12 information is accumulated on the presence or absence of a buzzer signal Zanto, and in the registrar 14 information on the number of operations of the rotation electromagnet, received by means of block 2. This information is recorded with the second latch. The lack of information in the second fixer indicates the presence of non-passage on the site level 3 - stage

4. The address of this section is unambiguously determined by the number AK 1 of the control subscriber and the contents of the first latch and is printed. Receipt of the eummerner signal Entering the recorder 12 means that all the available devices are in stage 5. This signal makes a new attempt to establish a connection or is busy

AK another control subscriber.

With the availability of information in the second latch and the absence of a buzzer signal, Zan then considers that the connection at the site is stage 1 - stage

4 is set, and using the generator 13, the second digit of the second AK number of the control subscriber is dialed. .

The consistency of the device operation, and the processes that occur when the connection is established in steps 5-7. The operation is carried out in the same way as on the clamp 4. The difference is that the information on the number of actuations of the rotation electromagnet of the finder of the stage 5 is fixed in the third clamp of the step 6 in the fourth clamp and the step 7 in the fifth clamp. In this case, the address of the detected sections is not determined unambiguously by the contents of the corresponding latches and the number of the AK 1 and the control subscriber. If the device is successfully occupied: the device of the stage 8 with the help of the generator 13 dials the last two digits of the number of the second AK of the control subscriber. After the elevation and rotational movement of the instrument of stage 8 has been exhausted, the recorder 12 records the presence or absence of the buzzer beep. The presence of this signal means the successful completion of the process of establishing the connection between the first AK 1 and the second AK of control subscribers. No signal second AK control subscribers.

Thus, the introduction of the information logger and the information output block automates the process of determining the site of failure, i.e. allows you to determine the place of failure. In addition, auto

The matizing of the process of determining the failure area allows reducing the Brem for preventive inspection of the equipment of the station, reduces the load on the stations and improves the quality of customer service.

Claims (1)

1. Automatic test equipment ATS-54, M-., Connection, 1972, p. 10 (prototype). -D 8495.32