DE19500142B4 - Arrangement for computer-controlled testing of routings on main distribution boards - Google Patents

Abstract

Arrangement for computer-controlled testing of routings on main distributors, characterized in that an additional device (ZusGt), which is designed as a connection and connecting link to the new main distributor (HVt), via a first output / input with the parallel interface of a control computer, via a second Output (test output II) with the test connection of the main distributor (HVt) of the new switching center (VSt), and via a third output (test output III) via a test plug (PrSt) with the new subscriber connection points on the main distributor (HVt) of the new switching center ( VSt) is connected, the test plug (PrSt) taps, both for the inside and for the outside of the subscriber connections on the disconnected switching means of the main distributor (HVt) of the new switching center (VSt), that the additional device (ZusGt) on via a printer output a printer is turned on that the control computer via a se rial interface is connected to an additional dialing arrangement (WahlZus), which is connected via a first test output (test output I) to the test connection of the main distributor of the old exchange (VSt), and that on ...

Description

The solution according to the invention is used for testing and Preparation of bulk switching from one out of service switching center to be put into operation Switching or of mass switching of subscribers from the main distributor to main distributor. It will be used primarily for testing and preparing mass switchovers used where subscribers from analog exchanges switch to digital switching centers.

Out US 51 87 733 A a system for testing the operation of a digital exchange is known. The invention relates in particular to a system which allows subscriber lines to be checked during operation before a switching center with conventional wired service is replaced by an integrated digital switching center. The integrated digital exchange includes a digital interface DFI, a remote terminal RT and a multiplex communication channel that connects the digital interface DFI and the terminal RT. Both the digital switching device DS and the conventional switching device ES store translation data which define the association of directory numbers with the subscriber lines mentioned, the terminal RT comprising a multiplicity of channel units CU which form the interface between the subscriber lines and the terminal RT. The channel units CU contain at least one terminal to enable the subscriber line to be connected to the channel unit CU. At the same time, the channel units CU enable the supply of battery power to subscriber lines.

The solution described above is basically the same as in US 51 87 733 A described technical components bound. A generalization or general application of this solution is therefore not possible. The functionality of the solution also presupposes the presence of certain externally controllable electronic components in the old switching center to be switched off.

For switching an analog switching center to electromechanical This solution is the basis therefore not applicable.

Furthermore is off DE 31 47 144 C2 an arrangement for testing lines in distributors of telephone exchange technology is known. The test arrangement is used to open and / or make contact with components adjacent to one another and arranged in switching or separating elements of a distributor for telephony switching technology and connected to incoming and outgoing lines by means of a flat test plug containing tongues. The test arrangement consists of several test plugs that are slidably guided in a housing and arranged with their flat sides parallel to each other.

This test plug is very expensive and completely unsuitable for a main distributor with several thousand subscriber lines isolate and tap. This is particularly due to the fact that through from the test plug led out cable connections certainly a tangle of cables that is difficult to handle.

When testing for mass switching from mechanical Agencies that are about none from the outside controllable electronic components, especially the exam the routing carried out on the main distributor HVt previously manually carried out. Manual routing checks are very personnel and time consuming and lead mainly due to the practice monotonous activities and procedures, to errors that affect the amount of switching to the circle the telephone subscriber impact accordingly.

The aim of the invention is a computer-controlled Arrangement for Mass switching of analog electromechanical subscribers Developing exchanges into digital exchanges. The arrangement should be designed so that only one operator (inspector) can exams safe, fast and predominantly can run automatically. Furthermore, the test times should for the Preparation for mass switching can be shortened. switching errors and resulting reviews as well as additional Circuit effort should be avoided as far as possible.

• – richtige Verkabelung der DIV-Eingänge (Ports) am HVt
• – richtige Zuordung der Rufnummern zu den Ports
• – richtige Lage und adernmäßige Zuordnung der Rangierungen
• – richtige Lage der Rangierungen an der Linienseite des HVt

vor Massenumschaltungen, vorzugsweise im Zusammenhang von Auswechslungen analoger Teilnehmer-Vermittlungsstellen gegen digitale Vermittlungsstellen.The invention relates to an arrangement for computer-controlled testing of routings (wiring) on main distributors (HVt)

• - correct wiring of the DIV inputs (ports) on the HVt
• - correct assignment of the phone numbers to the ports
• - correct position and vein assignment of the routings
• - correct position of the routings on the line side of the HVt

before mass switching, preferably in connection with replacing analog subscriber exchanges with digital exchanges.

The invention involves inclusion a commercial tax calculator, personal computer PC or preferably one Laptops LT ahead, with access from one measuring point to the switching points the old and the new exchange VSt is created.

Test connections are made via a Test connection of the old and / or the new VSt according to a test program read into the computer to the measuring point connected via a special test plug PrSt, partial tests of the functional sequence being carried out before and during the connection establishment and the establishment of the test connections being acknowledged. While maintaining the ongoing operation of the subscriber connections to be switched, test connections to the test connection of the main distributor HVt of the switching center are to be switched off from the subscriber connections and test connections to the test connection via the old switching center from a test station, which is preferably located at a main distributor HVt affected by the switchover of the distributor to which the subscriber connections are to be connected. In parallel to the old routing, the new routing will be installed to the main distributor of the new exchange. The connection to the new exchange is still disconnected. This is preferably done by separating the inside and outside of the main distributor HVT. A computer-aided test program is activated in the control computer to test the new routing. By means of this test program, the corresponding subscriber connection points on the switching means of the old and the new main distributor are controlled via the test connections in accordance with the test steps provided in the test program. Both the inside and the outside of the subscriber connection points on the disconnected switching means can optionally be controlled on the new main distributor. The establishment of the test connections is acknowledged and the results of the test are automatically evaluated and documented. After a successful check, the old routing is disconnected and the new routing on the new main distributor is switched through to the new exchange.

The test arrangement according to the invention is as follows using an example of a mass switchover of participants from an analog to a digital exchange explained. there shows

1 the device configuration of the arrangement,

2 the block diagram additional device (ZusGt) and

3 the block diagram election option (WahlZus).

The following is first up 1 Referred. The control computer, preferably a PC or a laptop, are associated as peripheral devices with the optional add-on (WahlZus) and the additional device (ZusGt) according to the invention.

The WahlZus from the tax calculator via a serial interface is controlled with the test output I while of the entire exams with a test connection of the old Switching center (VSt) about the main distributor HVt connected.

The ZusGt that from the control computer via a parallel interface is controlled via test output II during the entire exams with a test connection of the new (digital) VSt connected. The connection is made at the main distributor HVt of the new digital exchange. The test exit III of the additional device ZusGt leads over one special test plug (PrSt) on the HVt of the new digital exchange.

The special test plug PrSt is attached to the functional elements of the connecting strip and can while the inside and the outside through inserted disconnect plugs are separated, the inside and at the same time the outside tap on the new main distributor HVt.

An external commercial printer for the output of procedural test and / or error logs is connected to the printer output of the ZusGt additional device.

The ZusGt additional device also has an input for receiving a remote control 14 , With the remote control 14 certain function codes for controlling the program sequence can be transmitted to the control computer.

The following test procedure is used to establish a test connection for the purpose of ensuring the correct routing on the main distributor HVt:
There is software on the control computer which enables the menu-driven operator guidance to load the test file (test list), test configuration, control of the test sequences and evaluation of the test results.

The test data are on as a checklist disk to disposal posed. The checklist contains all to carry out of exams required Data such as B. Numbers, connection type and connection points on Main distributor HVt.

After installing the in 1 listed devices and their connection to the control computer, the following tests can be carried out:
Test connection type "old VSt and new VSt to HVt new":
Test output I (WahlZus) is connected to the test connection of the old VSt.
Test output II (ZusGt) is connected to the test connection of the new VSt.
Test output III (ZusGt) is connected to the HVt of the new VSt using a special test plug PrSt.

From the test connections of the new and the old VSt become test connections to the associated one connection point using a special test plug PrSt set up and evaluated at the HVt of the new VSt.

Test connection type "old VSt to HVt New"

This type of test connection should be made before switching on the new VSt the exam enable the newly inserted routing as a partial test.

Test output I (WahlZus) is on the test connection of the old VSt switched on.

Test output III (ZusGt) is by means of special test plug PrSt switched on at the HVt of the new VSt.

Test connections become from the test connection of the old VSt to the associated one Connection point using special test plug PrSt at the HVt of the new VSt.

Test connection type "old sales tax or new VSt to the main distributor HVtL (line side) "

This type of examination should be used if necessary enable the correct position of the cabling on the HVt line side as a partial test.

Test output I is at the test connection of the old one or new VSt switched on.

Test output III (ZusGt) is by means of special test plug PrSt on the HVt line side switched on. From the test connection of the old or new VSt become test connections to the associated one Connection point on special test plug PrSt built on the HVt line side.

Test connection type "new VSt to HVt"

If necessary, this type of test connection should be correct wiring of the ports and sub-functions (dial tone, ringing voltage) enable the same.

Test output 1 (WahlZus) is on the test connection of the new VSt switched on.

Test output III (ZusGt) is by means of special test plug PrSt switched on at the HVt of the new VSt.

Test connections are made from the test connection of the new VSt to the associated one Connection point on special test plug PrSt switched on at the HVt of the new VSt.

The following is on 2 Genome.

The power supply is preferably from the official battery and is powered by a DC converter customized.

The individual functions of the modules in 2 are explained in more detail using the example of the test connection type "old and new VSt to HVt new":
Before starting the test sequences, the operator configures the test configuration in the test program. By controlling the parallel interface of the control computer, preferably a laptop, using the control logic 1 and switching control directs the data streams to the switching matrix relay AH and the control relay S instead of to the printer.

After establishing the test connection from the dialer option WahlZus (test output I, 1 ) the call arrives from the old VSt, via a special test plug PrSt (max. 4 ports) test output III, the corresponding coupling relay contacts eh (2), and the s2 contact for call detection 3 , a / b exam 5 and downstream connection 4 ,

The caller ID 3 causes together with the connection 4 a fast call current shutdown and the subsequent loop formation.

The a / b exam 5 controls the correct shading of the a and b wires and sends the same signals to the control logic if the same is mixed up 1 and additional visual and / or acoustic attention signs. The control logic 1 forwards the signals to the control computer, where they are evaluated accordingly by the test program.

The interface 4 in turn initiates a connection of the same subscriber via test output II to the test connection of the new VSt ( 1 ). After evaluating the audio signals from WahlZus (test output I, 1 ) and the corresponding transfer to the tax program is done by WahlZus ( 1 ) by switching to multi-frequency dialing, the second connection is established via test output II at the test connection of the new VSt.

The call comes from the new VSt via a special test plug PrSt, via test output III to the corresponding switching matrix relay contacts ad 7 and via the s1 contact for call recognition 8th , a / b exam 5 , Audio amplifier with loudspeaker 12 and downstream connection 10 , The caller ID 8th causes together with the connection 10 a fast call current shutdown and the subsequent loop formation. The tone generator 11 sends via the m-contacts of the interface 10 the test tone via the test connections (test output III, II and I) to the optional additive WahlZus ( 1 ). After evaluating the test tone from WahlZus ( 1 ) and corresponding forwarding to the control program, the entire connection is triggered and the next shunting test is initiated.

The hearing amplifier with loudspeaker 12 In addition to a monitoring function during the routing check, it serves to control the dial tone when the busy check is activated 13 via the W-tone test button. With the voucher check 13 Depending on the position of the s1 contact (old or new VSt), the electrical condition of the connection point can be tested on the special test plug PrSt. Furthermore, the document check prevents 13 in connection path tests to the main distributor HVtL (line side) a disconnection of the subscriber-side connection line with plugged test plug PRSt and a possible. existing subscriber connection.

With the remote control unit 14 are the control computer via the control logic 1 As already mentioned, certain functions are transmitted in the form of control characters, such as. B. Starting the Pro deposit grammes or test criteria.

The following is on 3 Referred.

The election additive WahlZus according to the invention serves the construction and evaluation of the test connections.

The WahlZus is connected to a serial Control computer interface connected and from the test program controlled.

The WahlZus is powered by Use of energy-saving C-MOS components exclusively from the serial interface of the control computer.

The test output I becomes the connection module via a modular socket 15 fed. The connection module 15 initiates a connection of the same subscriber by forming loops and gives the audible tones to the dialing / calling / free / ringing tone evaluation 16 further. With appropriate evaluation, the data of the phone number to be dialed by the serial / parallel converter 17 via appropriate setting of the IWV / MFV module 18 (IWV = pulse dialing method, DTMF = multi-frequency dialing method) to the connection module 15 forwarded, which carries out the election. The functional sequences of the connection module can be visual and audible 15 be followed. A manual test button in connection with visual and acoustic display, receipt. LED, allows a function test of the test connection at test output I.

After the test connection has been established, the additional device ZusGt ( 1 ) created test tone from the test tone evaluation 19 processed and the result transmitted to the control computer via the serial interface. The further test steps are then initiated by the test program.

After completing the test, the interface module 15 the test connection triggered.

1

control logic

2

Switching network relay contacts e-h

3

call recognition

4

connection

5

a / b-examination

6

control logic

7

Switching network relay contacts a-d

8th

call recognition

9

timer

10

connection

11

tone

12

Hearing amplifier with speaker

13

busy check

14

remote control

15

Connecting module

16

Dial / busy / free / call tone evaluation

17

serial / parallel converter

18

Pulse / DTMF module

19

Test tone evaluation

s1

| S relay contacts

s2

|

I

II

Prüfausgänge

III

Claims (4)

Arrangement for computer-controlled testing of routings on main distributors, characterized in that an additional device (ZusGt), which is designed as a connection and connecting link to the new main distributor (HVt), via a first output / input with the parallel interface of a control computer, via a second Output (test output II) with the test connection of the main distributor (HVt) of the new switching center (VSt), and via a third output (test output III) via a test plug (PrSt) with the new subscriber connection points on the main distributor (HVt) of the new switching center ( VSt) is connected, whereby the test plug (PrSt) has taps, both for the inside and for the outside of the subscriber connections on the disconnected switching means of the main distributor (HVt) of the new switching center (VSt), that the additional device (ZusGt) has a printer output a printer is turned on that the control computer via a s serial interface is connected to an additional dialing arrangement (WahlZus), which is connected via a first test output (test output I) to the test connection of the main distributor of the old switching center (VSt), and that on the main distributor (HVt) line side the new one parallel to the old routing Routing is switched on, which is connected to the connection points provided on the new main distributor (HVt) for the subscriber connections. Arrangement according to claim 1, characterized indicates that the additional device (ZusGt) consists of a control logic ( 1 ) with the switching matrix relay AS, which has a data input / output to the control computer and a data output to a printer, that the control logic ( 1 ) with an assembly a / b test ( 5 ) is connected that the assembly a / b test ( 5 ) with the Caller ID module ( 3 ) and via a contact (s1) and the coupling relay contacts ad ( 7 ) is connected to test output III with access to the new digital exchange that the call detection module ( 3 ) via the interface module ( 4 ) with test output II to the test connection and via a contact (s2) and the coupling relay contacts eh ( 2 ) is connected to test output III with access to the old analog exchange that the module a / b test ( 5 ) with the occupancy check module ( 13 ), Caller ID ( 8th ), Connection ( 10 ) and audio amplifier with loudspeaker ( 12 ) is connected, whereby the module call recognition ( 8th ) via a timer ( 9 ) with the interface module ( 10 ) is connected to the interface module ( 10 ) a tone generator ( 11 ) is switched on that the modules a / b test ( 5 ) and document check ( 13 ) an optical status indicator is switched on, whereby occupancy check ( 13 ) there is a test button for the dial tone. Arrangement according to Claims 1 and 2, characterized in that the control logic ( 1 ) of the additional device (ZusGt) a module remote control ( 14 ) is arranged. Arrangement according to claim 1, characterized in that the optional add-on arrangement (WahlZus) is connected to a serial interface of the control computer, that the RTS output of the serial interface of the control computer via the reset line with the IWV / MFV module ( 18 ) is connected so that the IWF / MFV module ( 18 ) via a first output with an interface module ( 15 ) and via a second output, line enable, to the CTS input of the serial interface, that the output TXD of the serial interface via the line dial pulse and via a serial / parallel converter ( 17 ) with the IWF / DTMF module ( 18 ) that the IWV / MFV module ( 18 ) via an interface module ( 15 ), a module dial / busy / free and call tone evaluation ( 16 ) and is connected to the DCD input of the serial interface via a cable that the interface module ( 15 ) via an assembly test tone evaluation ( 19 ) and is connected to the DSR input of the serial interface via a line, so that the DTR output of the serial interface is raised via a line to the interface module ( 15 ) is connected to the interface module ( 15 ) test output I is switched on, that on the connection module ( 15 ) a test button, a busy display and a hearing amplifier with loudspeaker are arranged.