GB2103903A - Method of and apparatus for controlling a function check of peripheral units in a telecommunications system - Google Patents

Method of and apparatus for controlling a function check of peripheral units in a telecommunications system Download PDF

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Publication number
GB2103903A
GB2103903A GB08220882A GB8220882A GB2103903A GB 2103903 A GB2103903 A GB 2103903A GB 08220882 A GB08220882 A GB 08220882A GB 8220882 A GB8220882 A GB 8220882A GB 2103903 A GB2103903 A GB 2103903A
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GB
United Kingdom
Prior art keywords
store
data
function check
item
modifiable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB08220882A
Other versions
GB2103903B (en
Inventor
Franz Verhulst
Luc Crevits
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB2103903A publication Critical patent/GB2103903A/en
Application granted granted Critical
Publication of GB2103903B publication Critical patent/GB2103903B/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54508—Configuration, initialisation
    • H04Q3/54533—Configuration data, translation, passwords, databases

Abstract

For the implementation of a function check a modifiable store SSP is assigned a store position SS1 whose content can be determined via a peripheral unit T1 in such manner that a first item of data provides normal active connection of a working store ASP to a data bus D (or JA) of the telecommunications system, and the first item of data is replaced by a second item of data to enable a function check to be effected e.g. in respect of peripheral devices by causing connection of the store SSP, which determines the operational sequence of the function check, to be actively connected to the data bus D (or JA) instead of the working store. <IMAGE>

Description

SPECIFICATION Method of and apparatus for controlling a function check of peripheral units in a telecommunications system This invention relates to a method of and apparatus for controlling a function check of peripheral units in a telecommunications system, in particular by means of simulation in a telephone system.
In German AS 1 182 306 there is disclosed a circuit arrangement for switching a subscriber line carrying d.c. supply voltage in a telecommunications system wherein a test device is connected and disconnected in place of a subscriber loop by means of a change-over circuit.
This change-over is effected in dependence upon voltages which can be connected to the speech path in the telecommunications system in accordance with the free/engaged state of the subscriber loop. In German OS 1 762 358 there is disclosed a change-over of this kind employing a manually operable switch.
In German OS 2 844 330 there is disclosed a method of connecting a subscriber who is to be tested (test subscriber) to a centrally controlled telephone exchange wherein the automatically tested subscriber is not connected in the manner of a subscriber to a subscriber line and therefore cannot be reached using a normal subscriber number. In this arrangement a test connection to the test subscriber from the central control unit is recognised and the control unit then calls up from the assigned store an appropriate programme by means of which an appropriate exchange of signals is carried out in a dialogue with the remote test device. The control unit then activates the appropriate signal transmitter and receiver.
It is an aim of this invention to enable changeover from normal operation to function checking in a simple manner exploiting an already provided central control unit and stores.
According to one aspect of this invention there is provided a method of controlling the implementation of a function check in a telecommunications system comprising a central control unit having a working store for connection establishment and disestablishment data and a modifiable store for storing an operational sequence for the function check, said method including the steps of connecting the working store to a data bus of the system in accordance with a first item of data in the modifiable store, selectively replacing the first item of data in the modifiable store with a second, different item of data and, in accordance with the second item of data, connecting the modifiable store to the data bus in place of the working store.
According to another aspect of this invention there is provided apparatus for controlling the implementation of a function check in a telecommunications system said apparatus comprising a central control unit having a working store for connection establishment and disestablishment data and a modifiable store for storing an operational sequence for the function check, means for connecting the working store to a data bus of the system in accordance with a first item of data in the modifiable store, means for selectively replacing the first item of data with a second, different item of data and means for connecting the modifiable store to the data bus in place of the working store in accordance with said second item of data.
In accordance with a further development the input of the second item of data takes place on the basis of a command which is emitted from a device which executes an analysis of a characteristic emitted from an authorised terminal, for example a control or test position, or which executes an analysis of a function check command which has been produced centrally.
In accordance with a yet further development the modifiable store is assigned a time monitoring unit which determines the duration of specific steps of the function check and which, during specified function checks, determines the advance from one step of the function check to the next.
In this way existing timing conditions can be checked without the need for extra measures or extra outlay.
Advantageously it may be arranged that the modifiable store is provided with a counting device which counts the number of step call-ups in each function check.
This facilitates acyclic execution of function checks in respect of each peripheral unit and allows function checks to be carried out consecutively for a plurality of peripheral units in a simple manner.
In one arrangement, on the completion of a predetermined function check programme, the second item of data is automatically erased in the modifiable store and is replaced by the first item of data.
In this way a switch-back from checking operation to normal operation can be automatically provided.
An embodiment of the invention will now be described, by way of example, with reference to the accompanying drawings in which: Fig. 1 is a block circuit diagram of a telecommunications system here comprising a telephone system, embodying this invention; and Fig. 2 is a block circuit diagram of a portion of the system shown in Fig. 1.
The system shown in Fig. 1 is a telephone system based on the centrally controlled PBX telephone system described in German AS 2 647 404. For connection establishment via speech path switching network KN 1, KNx a central control unit GE is provided with at least one programme control unit CPU, a working store ASP, and a customer data store KDSP which are connected to one another for exchange of information via associated data transmission lines (data buses) D, JA. The central control unit GE is connected to data transmission lines B1 leading to peripheral devices via appropriate connection devices, for example An1. The peripheral devices are operated via a peripheral control unit PS.The peripheral devices consist for example of subscriber stations T1, Tn with associated subscriber circuits SU1, SUn which can be connected via the speech path switching network KN1 both one with another and with additionally provided exchange line sets AU and direct connection line sets QU. Audible signal receivers HE1, HE2 can be connected for example to the exchange line sets and direct connection line sets.
Dial store sets WU are provided for the accommodation and analysis of dialled characteristics and in addition at least one audio generator TG which can be controlled by the central control unit GE is provided for the emission of signals to the peripheral devices, i.e.
to the subscribers and switchboard positions and line sets.
A programme store PSP also assigned to the central control unit GE contains all the programmes for the service features within the system. A dialled signal evaluator WB assigned to the central control unit serves to evaluate the dialled code digits which are received by the dial store set WU via the peripharal control unit PS and the data transmission line group B1 and via the connection set AN 1 and the data transmission line group D.
Fig. 2 again shows the common control unit although here all the devices included in the common control unit have not been shown. Only the modifiable store SSP and the working store ASP and their connection to the data transmission lines D and JA have been shown.
The modifiable store SSP is assigned a store position referenced SS1. The store contents of this store position SS1 of the modifiable store can be determined via the (peripheral) subscriber station T1 which can be connected via an appropriate adaptor to the common control unit and either directly or indirectly to this store. The indirect connection can take place via the data transmission line group. The direct connection to the modifiable store is to be considered merely notionally.The content of the store position SS1 of the modifiable store SSP may be determined via the peripheral unit T1 for example by dialling via the selection device BW and in fact in such manner that in the case of a normal active connection of the working store ASP to the data transmission line groups D and/or JA of the telecommunications system, a first item of data is input into this store position. It will be clear from Fig. 2 that a switch S2 effects the active connection of the working store ASP to the data transmission line group D. This switch S2 is symbolic as in place of such a switch, in the programme control, appropriate commands are emitted or appropriate commands are scanned which result in the active connection.This includes the content of the store position SS1. By changing the store content of the store position SS1 within the store SSP via the peripheral unit T1 it is possible to store a second item of data which can consist for example in the input of a logic symbol for zero in place of the first item of data being a logic 1 symbol.
In this way it is possible to discontinue the active connection of the working store ASP to the data transmission line groups D and instead to connect actively the store SSP (which determines the operational sequence of the function check) to the data transmission line group D and/or JA. The symbolically represented switch S1 then serves for this purpose. Thus it will be clear that, as a result of the data in the store position SS1 of the modifiable store SSP, either the switch S2 or the switch S1 effects an active connection of either the working store or the modifiable store to the data transmission line group D. Via appropriate gates G3 and G4, switches S3 and S4 could actively connect the working store ASP or the modifiable store SSP to the data transmission line group JA.The input and output of the data which initiates the function check can take place as a result of a command emitted from a device which effects an analysis of a characteristic signal, for example the selection of a code number, which is fed to an authorised terminal i.e. the peripheral device, for example a control position or a test position. On the other hand the input and output of the data which instigates the function check can be based on a command emitted from a device which executes an analysis of a function check command produced centrally. This function check command can be the outcome of an automatic interference message which is recognised as such by the central control unit so that a deliberate initiation of a function check can then be effected by means of a function check command.
The store SSP, which determines the operational sequence of the function check, is further assigned a time monitoring unit Z which serves to determine the duration of the various steps in specific function checks. Thus this time monitoring governs the advance from one checking step to the next. This is particularly required when the function checking is carried out in respect of function sequences associated with specific timing conditions.
The store SSP which determines the operational sequence of the function check is also assigned a counting device ZZ which counts off the number of step call-ups in each function check so that this counting procedure can also represent a gauge for advancing from one function check step to the next when the above mentioned time monitoring procedure is unnecessary.
On the completion of a function check programme comprising one complete check cycle in respect of a number of peripheral units, for example (peripheral) subscriber stations T1 to Tn in Fig. 1, which are provided in the check programme, and following the completion of the last function check of the programme, the second item of data is automatically erased in the modifiable store SSP provided for the execution of the function check and instead the original state of the store content (i.e. the first item of data) is again established. Thus as a result the working store ASP is again actively connected to the data transmission line group D and/or to the data transmission line group JA whereas the store SSP is disconnected therefrom.
Thus with the aid of an extremely small storage capacity even comprising only one storage bit, it is possible to control centrally the switch-over from normal operation to the function checking of peripheral units. In this way no special changeover signals need be transmitted via connection paths for this purpose. The devices provided for the normal connection establishment can be additionally used for this change-over function.

Claims (10)

Claims
1. A method of controlling the implementation of a function check in a telecommunications system comprising a central control unit having a working store for connection establishment and disestablishment data and a modifiable store for storing an operational sequence for the function check, said method including the steps of connecting the working store to a data bus of the system in accordance with a first item of data in the modifiable store, selectively replacing the first item of data in the modifiable store with a second, different item of data and, in accordance with the second item of data, connecting the modifiable store to the data bus in place of the working store.
2. A method as claimed in claim 1, wherein the input of the second item of data is effected on the basis of a command which is emitted from a device which executes an analysis of a characteristic signal emitted from an authorised terminal or which executes an analysis of a function check command generated centrally.
3. A method as claimed in claim 1 or claim 2, wherein the modifiable store is assigned a time monitoring unit which determines the duration of specific steps of the function check and, during specified function checks, determines the advance from one step of the function check to the next.
4. A method as claimed in any one of the preceding claims wherein the modifiable store is provided with a counting device which counts the number of step call-ups in each function check.
5. A method as claimed in any one of the preceding claims wherein on the completion of a predetermined function check programme, the second item of data is automatically erased in the modifiable store and is replaced by the first item of data.
6. A method of controlling the implementation of a function check in a telecommunications system comprising a central control unit having a working store for connection establishment and disestablishment data and a modifiable store for storing an operational sequence for the function check, said method being substantially as described herein with reference to the accompanying drawings.
7. Apparatus for controlling the implementation of a function check in a telecommunications system said apparatus comprising a central control unit having a working store for connection establishment and disestablishment data and a modifiable store for storing an operational sequence for the function check, means for connecting the working store to a data bus of the system in accordance with a first item of data in the modifiable store, means for selectively replacing the first item of data with a second, different item of data and means for connecting the modifiable store to the data bus in place of the working store in accordance with said second item of data.
8. Apparatus as claimed in claim 7 and arranged to carry out the method as claimed in any one of claims 2 to 6.
9. Apparatus for controlling the implementation of a function check in a telecommunications system, said apparatus being substantially as described herein with reference to the accompanying drawings.
10. A telecommunications system including apparatus according to any one of claims 7 to 9.
GB08220882A 1981-07-30 1982-07-19 Method of and apparatus for controlling a function check of peripheral units in a telecommunications system Expired GB2103903B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3130125A DE3130125C2 (en) 1981-07-30 1981-07-30 Method for performing functional tests on peripheral connection units by means of simulation in a telecommunications system, in particular a telephone system

Publications (2)

Publication Number Publication Date
GB2103903A true GB2103903A (en) 1983-02-23
GB2103903B GB2103903B (en) 1985-07-17

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GB08220882A Expired GB2103903B (en) 1981-07-30 1982-07-19 Method of and apparatus for controlling a function check of peripheral units in a telecommunications system

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AT (2) AT385379B (en)
AU (1) AU534654B2 (en)
BE (1) BE893922A (en)
DE (1) DE3130125C2 (en)
ES (1) ES8305995A1 (en)
FR (1) FR2510856A1 (en)
GB (1) GB2103903B (en)
IT (1) IT1151943B (en)
ZA (1) ZA825461B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143455A2 (en) * 1983-11-29 1985-06-05 Siemens Aktiengesellschaft Traffic simulation device
EP0153753A2 (en) * 1984-02-28 1985-09-04 Siemens Aktiengesellschaft Method for a telecommunication exchange, especially a private telephone exchange with special operation function assignment to terminals

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3407250A1 (en) * 1984-02-28 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Method for a telecommunications system, in particular a telephone PBX system, with retrieval of assignable code digits and identifiers
DE3407249A1 (en) * 1984-02-28 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Method for monitoring mechanical faults in keyboards used in telecommunications systems, in particular telephone systems, when they are actuated
DE3407215A1 (en) * 1984-02-28 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Method for a telecommunications system, in particular for a telephone PBX system with a facility for defining an existing number of free or used elements
DE3407227A1 (en) * 1984-02-28 1985-08-29 Siemens AG, 1000 Berlin und 8000 München METHOD FOR A TELECOMMUNICATION SYSTEM, ESPECIALLY FOR A TELEPHONE EXTENSION SYSTEM WITH AN OPTIONAL, ACCELERATED TEST PROCEDURE

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US1838083A (en) * 1929-05-03 1931-12-29 Walter Wright Riser radiator
DE1182306B (en) * 1963-08-01 1964-11-26 Arnstadt Fernmeldewerk Circuit arrangement for switching over a connecting line carrying a DC supply voltage in telecommunications switching systems by means of a reversing circuit, in particular for switching a test device on and off instead of a subscriber loop in telephone switching systems
DE1928146A1 (en) * 1968-06-06 1969-12-11 Delaney Gallay Ltd Heat exchanger
AU7589374A (en) * 1973-12-28 1976-06-03 Standard Telephones Cables Ltd Simulation system
DE2647404C2 (en) * 1976-10-20 1978-08-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for centrally controlled telecommunications switching systems with a central control unit and partial controls
DE2844330C2 (en) * 1978-10-11 1982-03-04 Siemens AG, 1000 Berlin und 8000 München Method for connecting a test participant to a centralized telephone exchange
DE2930820C2 (en) * 1979-07-30 1981-08-13 Siemens AG, 1000 Berlin und 8000 München Indirectly controlled switching system, in particular telephone branch exchange, with a central control unit and with routine testing of crosspoints, sets, end devices and switching stations
DE2950342C2 (en) * 1979-12-14 1985-06-13 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Method for starting test programs for fault diagnosis in program-controlled telecommunication systems, in particular telephone switching systems
DE3003282C2 (en) * 1980-01-30 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Method for testing set connections of a switching center of a digital time division multiplex telecommunications network, as well as, if necessary, the lines connected to the switching center

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143455A2 (en) * 1983-11-29 1985-06-05 Siemens Aktiengesellschaft Traffic simulation device
EP0143455A3 (en) * 1983-11-29 1988-10-19 Siemens Aktiengesellschaft Berlin Und Munchen Traffic simulation device
EP0153753A2 (en) * 1984-02-28 1985-09-04 Siemens Aktiengesellschaft Method for a telecommunication exchange, especially a private telephone exchange with special operation function assignment to terminals
EP0153753A3 (en) * 1984-02-28 1988-03-23 Siemens Aktiengesellschaft Method for a telecommunication exchange, especially a private telephone exchange with special operation function assignment to terminals

Also Published As

Publication number Publication date
AT385379B (en) 1988-03-25
ES514523A0 (en) 1983-04-16
ATA249482A (en) 1987-08-15
ES8305995A1 (en) 1983-04-16
FR2510856B1 (en) 1985-01-18
DE3130125C2 (en) 1983-10-13
AU534654B2 (en) 1984-02-09
BE893922A (en) 1982-11-16
AU8656582A (en) 1983-03-17
IT8222523A0 (en) 1982-07-22
ZA825461B (en) 1983-06-29
GB2103903B (en) 1985-07-17
IT1151943B (en) 1986-12-24
DE3130125A1 (en) 1983-02-17
IT8222523A1 (en) 1984-01-22
ATA77183A (en) 1984-08-15
AT377605B (en) 1985-04-10
FR2510856A1 (en) 1983-02-04

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