SU815950A1 - Device for quality control of operation of telegraphy system terminals - Google Patents

Description

one

The invention relates to telecommunication devices and can be used on switched telegraph networks, for example, in operational monitoring equipment.

A device for monitoring the quality of the work of the telegraph network terminals, comprising a serially connected decryptor, an autoreply sign accumulator, a first match element, a character counter, an encoder and a second match element, the second input of which is connected to the output of the first match element, as well as a third match element, element NOT, display unit and element OR 1.

However, the known device has a low accuracy of control.

The purpose of the invention is to improve the accuracy of control.

The goal is achieved by the fact that the device for monitoring the quality of the work of the end points of the telegraph network, contains a serially connected decoder, an autoreply sign accumulator, a first match element, a character counter, an encoder and a second match element, the second input of which

connected to the output of the first element of the match, as well as the third element of the match, the element NOT, the display unit and the element OR, the character counter swings the telegrams, the character counter of the end of the telegram, the fourth match element and the memory block are entered, the second and third outputs of the decoder respectively the telegram start counter and the telegram end counter are connected respectively to the first and second inputs of the OR element, the output of which is connected through the third matching element and the memory block connected in series with the input of the display unit, and the input of the decoder is combined with the second input of the first match element, the output of which is connected to the second input of the encoder, the output of which is connected to the second input of the third match element and the input of the HE element, whose output through the fourth match element, the second input of which is combined with the first input of the encoder, connected with the second input of the memory unit, the third and fourth inputs of which are connected respectively with the output of the second coincidence element and with the combined first input of the first element coincide nor the second input of the character counter.

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

The proposed device contains a decoder 1, an autoreply 2 characters storage unit, a first match element 3, a 4 character counter, an encoder 5, a second match element 6, a memory block 7, an indication block 8, a third match element 9, a HE element 10, a fourth match element 11 , element OR 12, counter 13 digits of the beginning of the telegram (ZNT) and counter 14 digits of the end of the telegram (ZKT).

The proposed device works as follows.

Telegraph information is fed to the inputs of the decoder 1 and the first element 3 of the coincidence. The decoder 1 selects service combinations: No. 2 - “carriage return (VC), No. 8 -“ line feed (PS), No. O-RUS, No. 27 - TsIF, ZNT, consisting of three combinations No. O, combination No. 2 and the track of combinations No. 8, as well as the ZKT, consisting of combos of combinations No. 8 and cubes of combina- tions No. 27. The sequence of service combinations No. 2, No. 8, No. 0 or No. 27 is remembered by the accumulator of 2 auto-answer signs, at the output of which a signal appears , opening the first element 3 of the match and resetting the memory block 7, the counter 4 characters to the initial state. The telegraph information through the first coincidence element 3 arrives at a 4-character counter, encoder 5 and through the open second coincidence element 6 enters memory block 7, where it is memorized. A 4 character counter, fixing sixteen telegraph information characters, generates a signal permitting the operation of encoder 5 and preparing for operation the fourth element 11 of coincidence. If encoder 5 determines that the seventeenth character is a combination no. 31 (LAT), a signal appears at the output of encoder 5 that prohibits the passage of information through the second matching element 6 and prepares the third matching element 9 for operation. If the seventeenth character is not LAT, then the signal from the output of the encoder 5 through the element NOT 10 and the open fourth element 11 coincidence puts the memory unit 7 in the initial state.

Signals to the input of the counter 13 of the ZNT or the counter 14 of the closed loop switchboard come from the outputs of the decipheror 1 when they detect the corresponding service combinations.

The command to output information from the memory block 7 to the display unit 8 is received from the output of the third element 9 of the match when the output of the OR element 12 is signaled by an overflow of the 13 SNT counter 13 or the 14 QCT counter.

In parallel, memory block 7 issues a signal towards the calling endpoint, breaking the connection.

Thus, the proposed device provides not only control over the presence of service combinations, the order of their succession and the total number of combinations of auto-responses, but also the allocation of each telegram from a series of telegrams arriving at the receiving sites of the central telegraph for one connection, and, therefore, allows record the case of exceeding the number of installed telegrams in the series, record the auto-answer of the offender and destroy the connection, thereby preventing the violation.

The application of the proposed device on the telegraphs of our country allows us to increase the percentage of telegrams that are automatically transmitted directly to the destination terminal point and, consequently, improve the quality of service to the public. In addition, there is no need for the subsequent time-consuming manual operational control over the work of end points, which leads to a significant reduction in labor costs.

Claims (1)

Invention Formula A device for monitoring the quality of the work of the end points of the telegraph network, comprising a serially connected descriptor, an autoreply character accumulator, a first match element, a character counter, the encoder and the second match element, the second input of which is connected to the output of the first match element, as well as the third match element, the NOT element, the display unit and the OR element, characterized in that, in order to increase the control accuracy, the counter of the start signs of the telegram are entered, the counter the characters of the end of the telegram, the fourth one, the coincidence element and the memory block, while the second and third outputs of the decoder, respectively, through the counter of characters of the beginning of the telegram and the counter of signs of the end of the telegram are connected respectively to the first and second inputs E-OR gate, whose output is series connected through the third matching between the element and a memory unit connected to the input of the indication unit, and an input 0 debrisor is combined with the second input of the first match element, the output of which is connected to the second input of the encoder, the output of which is connected to the second input of the third match element and the input of the NOT element, the output of which through the fourth match element, the second input of which is combined with the first input of the encoder, is connected to the second input of the memory unit, the third and fourth inputs of which are connected respectively with the output of the second coincidence element and with the combined first input of the first coincidence element and the second input of the counter as. Sources of information taken into account during the examination 1. USSR author's certificate No. 646457, cl. H 04 L 11/08, 1977.