SU768005A2 - Device for transmitting and receiving telephone exchange interaction signals - Google Patents

Description

(54) DEVICE FOR TRANSMISSION AND RECEIVING SIGNALS OF INTERACTION OF TELEPHONE STATIONS

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The invention relates to communication technology and can be used in autrglastic switching systems.

According to the main author. St. No. 507956, a device for transmitting and receiving telephone station communication signals, comprising a transmitter with an address unit, connected to one input of a comparison element via an address accumulator, and a receiver with an analyzer, connected to a second input of a comparison element, the output of which is connected to the second through the erase unit. the input of the address accumulator, the output of which through the delay line and the repetition block is connected to the input of the transmitter with the address block, as well as the information block consisting of the sources and fixators of the information Trigger mappings, and at the counter station, the input for resetting each trigger lock through the unlocking element is connected to the input for setting the trigger of a corresponding information source into the working state. In addition, the outgoing station contains a unit for sequential installation into the operational state of the information source triggers, the outputs of which are connected to the corresponding triggers, while the accumulator of the addresses of the outgoing station is connected to the printing unit.

However, the known device does not have J signaling malfunction elements set. roystva

The purpose of the invention is to provide an alarm for malfunction of the device elements.

10 To do this, in a device for transmitting N reception signals of telephone exchanges, containing a transmitter with an address block, connected to one input of a comparison element via an address accumulator, and a receiver with an analyzer, connected to the second input of a comparison element, whose output is connected through an erase unit with the second input of the address accumulator, the output of which through the delay line and the repetition block is connected to the input of the piezoelectric transducer with the address block, as well as an information block consisting of sources and fixators For information, made in the form of triggers, and at the counter input station for resetting

the trigger state of each latch is connected via an unplugging element to the input for setting the trigger state of the corresponding information source; in addition, the outgoing station contains a unit for alternately setting the information source triggers into the working state, the outputs of which are connected to the corresponding triggers, the accumulator of addresses of the outgoing station is connected with the printing unit, the information inputs are connected to the inputs for setting the working trigger into the working state of the trigger raZvyzyvayuschie information through the chain.

FIG. Figure 1 shows the structural electrical circuit of the outgoing station; in fig. 2 - oncoming station.

A device for transmitting and receiving telephone station communication signals comprises an information unit 1 consisting of sources 2 of information made in the form of flip-flops 3 with inputs 4 for putting into operation and inputs 5 for resetting, clamps 6 of information made in the form of triggers 7 with inputs 8 for installation in the working state and inputs 9 for installation in the initial state, receiver 10 with an analyzer, transmitter 11 with the address block, unit 12 for alternate installation in the working state of triggers source of data points, address accumulator 13, delay line 14, Repeating unit 15, comparison element 16, erasing block 17, printing unit 18, uncoupling circuits 19, in addition, the transmitter has an Input 20 input, an information lock - output 21, information source - information input 22, the transmitter output is connected via a common signaling channel 23 to the Receiver input.

The numbering and names of all elements and blocks shown in FIG. 1 and FIG. 2 are the same, differing only in that on the counter station (Fig. 2) the input for resetting each trigger is connected to the input for setting the operational source of information source through an element 24 through an element 24 for unlinking.

The device works as follows.

The outgoing device is occupied after the test by the switching devices of the outgoing station of the output 21 potential of the clamp 6 information by applying the corresponding signal to the input 22 of one of the information sources 2, as a result the busy signal will be transmitted over the common channel 23 using the transmitter 11. At the same time This signal through decoupling circuits 19 is fed to input 8 for setting up in working state of the information about the blocking signals corresponding to this source of trigger 7 of latch 6

And unlock incoming counter station devices. The trigger 7 enters the working state and is held there by a signal coming through the isolating circuits 19 from the input 22. From the output 21

The sign of the freeness of the counter station device is removed, since it was already used by the switching equipment of the outgoing station, which by potential at output 21 made a sample of the device for occupancy.

Thus, switching to the working state of trigger 7 of latch 6 before transmitting a busy signal through channel 23 and, accordingly, transmitting locking signal through channel 23, the lock occurs in full accordance with the algorithm of the telephone station. switching takes place even if any of the signals transmitted through channel 23 were corrupted or not at all

transmitted. With a good device for transmitting and receiving interaction signals, the removal of the signal "occupancy from input 22 of source 2 leads to the removal of a signal that holds trigger 7 of lock 6 in working condition and input to input 8 of this trigger through decoupling circuits 19, but trigger 7 the latch 6 sahergt em

your working condition. The removal of a signal is equivalent to the occurrence of a disconnect signal from devices involved in

0 established connection, and this signal will be transmitted on channel 23 in the direction of the oncoming station. When the incoming station counter device is released in the opposite direction, an unlocking signal will be transmitted, which will arrive at the switching input 9 to the initial state of trigger 7 of that latch 6, the address of which coincides with the address of source 2 that transmitted the disconnect signal. When trigger 7 is returned, latch 6 is in its initial state on

0 output 21 is a Vits signal indicating that the incoming device of the counter station is free.

If there is a malfunction in the device for transmitting and receiving interaction signals, or the signal transmitted through channel 23 will be distorted, the trigger 7 of latch 6 will not return to its original state, as a result of which there will be no idle signal at output 21 and the corresponding released source 2 in -.

Formations will be excluded from the switching devices of the outgoing station.

Claims (1)

The newly introduced link of the input 22 of the source 2 to the input 8 for setting the trigger 7 into a working state increases the likelihood that the free device will be marked as occupied. Etb will happen, for example, in that; if the input 22 is on a short-time signal that will not be served by the transmitter 11; The device for transmitting and receiving the interaction signals will be in this state (the free device is falsely marked as occupied) until the trigger of the source trigger 3 is brought to a working state by the command of block 12. When triggering Trigger 3 at input 20 “Application by Wits, a signal on which transmitter 11 starts to serve this source 2 information and sends on channel 23 a“ disconnect ”signal to the OTBet to which the“ unlocking ”signal will be transmitted from the oncoming station to return trigger 7 latch 6 to its original state. Thus, the presence of connections of the elements that provide the above described sequence of transmission of these signals allows the proposed device to be safe because of the introduction of a new connection of the input of source 2 with the latch 6 to falsely block operational devices, since the frequency of switching on the block 12 can be set at the request of staff and automated. The invention is a device for transmitting and receiving signals of the interaction of telephone stations according to aut. St. No. 507956, characterized in that, in order to signal the malfunction of the elements of the device, the information inputs of the device are connected to the inputs for setting the operating state of the trigger of the corresponding information lock through the uncoupling circuits.