FR2690259A1 - Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control - Google Patents

Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control Download PDF

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Publication number
FR2690259A1
FR2690259A1 FR9204825A FR9204825A FR2690259A1 FR 2690259 A1 FR2690259 A1 FR 2690259A1 FR 9204825 A FR9204825 A FR 9204825A FR 9204825 A FR9204825 A FR 9204825A FR 2690259 A1 FR2690259 A1 FR 2690259A1
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FR
France
Prior art keywords
computer
automatic switching
connectors
serial
connector
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.)
Withdrawn
Application number
FR9204825A
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French (fr)
Inventor
Chang Tan Tong
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to FR9204825A priority Critical patent/FR2690259A1/en
Publication of FR2690259A1 publication Critical patent/FR2690259A1/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • G06F13/4063Device-to-bus coupling
    • G06F13/409Mechanical coupling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0004Parallel ports, e.g. centronics

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Information Transfer Systems (AREA)

Abstract

The device consists of a multi-connector extension electronic box (1) and associated software (13). The operation of the extension box is controlled by the software as is the selective transfer of data from a computer. The extension box includes a cable with two connectors on the remote end. One is labelled "COM" (12) and the other "LPT1" (11) to provide connections for, respectively, RS232 and parallel interfaces. The box may be fitted with up to 256 connectors (2-9) for connection of up to 256 serial peripheral devices. ADVANTAGE - Provides for automatic handling of number of devices connected to computer without need for manual switching.

Description

La présente invention concerne un dispositif de commutation automatique multiconnecteur pour accroître la capacité de branchement du connecteur/port interface "série" RS232 d'un ordinateur. Le dispositif comprend d'une part un boîtier électronique d'extension qui permet le branchement de multiples appareils fonctionnant en mode de transmission "série" de données numériques, et d'autre part son logiciel de commande, enregistré sur disquette, pour configurer les connecteurs, effectuer la sélection automatique des appareils et contrôler le transfert des données. Ce dispositif mémorise de façon quasi-permanente toutes les données de configuration. The present invention relates to an automatic multi-connector switching device for increasing the connection capacity of the RS232 "serial" interface connector / port of a computer. The device comprises on the one hand an electronic extension unit which allows the connection of multiple devices operating in “serial” transmission mode of digital data, and on the other hand its control software, recorded on diskette, for configuring the connectors. , perform automatic device selection and control data transfer. This device almost permanently stores all of the configuration data.

Cette sélection multiple est traditionnellement effectuée manuellement, en employant un boîtier équipé d'un contacteur rotatif pour sélectionner les connecteurs/ports, ce qui limite le nombre d'appareils que l'on peut connecter; elle ne permet pas de configurer chaque connecteur, port de façon distincte, tels que la vitesse en bauds, le nombre de bits, la parité, etc, ce qui nécessite que tous les différents appareils soient configurés de la même façon. Ce système ne facilite pas le repérage du connecteur que l'on veut sélectionner et peut éventuellement causer une erreur, due à l'absence de marquage. This multiple selection is traditionally done manually, using a box fitted with a rotary switch to select connectors / ports, which limits the number of devices that can be connected; it does not allow each connector, port to be configured separately, such as baud rate, number of bits, parity, etc., which requires that all the different devices be configured in the same way. This system does not make it easy to locate the connector that you want to select and may possibly cause an error, due to the absence of marking.

Finalement le logiciel de transfert de données n'est généralement pas fourni avec le boîtier, donc nécessitant parfois une adaptation de compatibilité.Finally, the data transfer software is generally not supplied with the box, therefore sometimes requiring compatibility adaptation.

Le dispositif selon l'invention permet de remédier aux inconvénients et limitations de la sélection manuelle tout en préservant la simplicité d'utilisation. En effet, le branchement du boîtier à l'ordinateur et le raccordement des différents appareils au boîtier se font de la même manière. Le logiciel visualise les "menus" sur l'écran de l'ordinateur pour aider l'opérateur:
- à configurer chacun des ports.
The device according to the invention overcomes the drawbacks and limitations of manual selection while preserving simplicity of use. In fact, the connection of the box to the computer and the connection of the various devices to the box are done in the same way. The software displays the "menus" on the computer screen to help the operator:
- to configure each of the ports.

- à les désigner d'un nom descriptif. - to designate them with a descriptive name.

- à choisir les répertoires et fichiers à transférer. - choose the directories and files to transfer.

- à sélectionner le port de transfert. - to select the port of transfer.

- à transférer les répertoires et fichiers vers le port
sélectionné
Ce logiciel est exécutable au choix, soit à partir du disque dur, soit à partir du disque amovible et permet de contrôler ainsi que de configurer de 1 à 256 connecteurs indépendamment l'un de l'autre en programmant les paramètres suivants:
- la vitesse de transmission en "bauds".
- to transfer the directories and files to the port
selected
This software is executable with the choice, either from the hard disk, or from the removable disk and makes it possible to control as well as to configure from 1 to 256 connectors independently of each other by programming the following parameters:
- the baud rate.

- le nombre de bits par caractère. - the number of bits per character.

- le nombre de "stop" bits. - the number of "stop" bits.

- la parité, pair/impaire. - parity, even / odd.

- le label descriptif du connecteur. - the descriptive label of the connector.

- le "path" ou chemin des données à transférer. - the "path" or path of the data to be transferred.

Le boîtier et les connecteurs peuvent varier respectivement en dimensions et en nombre en fonction des besoins d'une application. The housing and connectors can vary in size and number respectively depending on the needs of an application.

En référence aux dessins, le dispositif comprend un boîtier et son logiciel de contrôle. Le boîtier(1), est montré avec les connecteurs(2 à 9) montés sur le coté supérieur ainsi que le câble de raccordement(l0) à l'ordinateur, muni à son extrémité de 2 connecteurs, l'un marqué COM(12) et l'autre LPT(11), correspondent respectivement aux connecteurs COM1 et
LPT1 de l'ordinateur. COM1 à COM4 sont généralement définis comme les ports d' interface "série", LPT1 à LPT4 comme les ports de sortie parallèle des données numériques. Le logiciel de contrôle(l3), enregistré sur disquette, utilise les "menus" déroulants permettant à l'utilisateur de rentrer toutes les données relatives au fonctionnement du boîtier et de les mémoriser de façon quasi-permanente s'il le désire, créant ainsi un système de sélection multiconnecteur "sur mesure" adapté à ses besoins.
With reference to the drawings, the device comprises a box and its control software. The box (1), is shown with the connectors (2 to 9) mounted on the upper side as well as the connection cable (l0) to the computer, provided at its end with 2 connectors, one marked COM (12 ) and the other LPT (11), correspond respectively to connectors COM1 and
Computer LPT1. COM1 to COM4 are generally defined as the "serial" interface ports, LPT1 to LPT4 as the parallel output ports for digital data. The control software (13), saved on diskette, uses the drop-down "menus" allowing the user to enter all the data relating to the operation of the box and to memorize them almost permanently if he wishes, thus creating a "tailor-made" multi-connector selection system adapted to their needs.

Claims (5)

REVENDICATIONS 1) Dispositif de commutation électronique pour accroître la capacité de branchement du connecteur/port d'interface RS232 d'un ordinateur, caractérisé en ce qu'il comporte un boîtier électronique d'extension (1) fonctionnant avec un logiciel (13) de contrôle pour la commutation automatique et de transfert sélectif de données numériques. 1) Electronic switching device for increasing the connection capacity of the connector / RS232 interface port of a computer, characterized in that it comprises an electronic extension unit (1) operating with control software (13) for automatic switching and selective transfer of digital data. 2) Dispositif selon la revendication 1 caractérisé en ce que le boîtier électronique d'extension (1) est muni d'un câble, terminé par 2 connecteurs dont l'un marqué COM(12) et l'autre LPT (11), se branchant respectivement aux connecteurs 2) Device according to claim 1 characterized in that the electronic extension unit (1) is provided with a cable, terminated by 2 connectors, one of which marked COM (12) and the other LPT (11), is connecting respectively to connectors RS232 et PARALLELE d'un ordinateur.RS232 and PARALLEL from a computer. 3) Dispositif selon la revendication 1 caractérisé en ce que le boîtier électronique d'extension (1) peut être équipé de 1 à 256 connecteurs (2 à 9) de façon à brancher jusqu'à 256 différents types d'appareils utilisant le mode de transmission "série" de données numériques. 3) Device according to claim 1 characterized in that the electronic extension unit (1) can be equipped with 1 to 256 connectors (2 to 9) so as to connect up to 256 different types of devices using the "serial" transmission of digital data. 4) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que le logiciel (13) permet de configurer chaque connecteur indépendamment, de sélectionner automatiquement les connecteurs (2 à 9) via LPT1, LPT2, LPT3, ou LPT4 et d'effectuer un transfert sélectif de données numériques via COM1, COM2, COM3, ou COM4 d'un ordinateur. 4) Device according to any one of the preceding claims, characterized in that the software (13) makes it possible to configure each connector independently, to automatically select the connectors (2 to 9) via LPT1, LPT2, LPT3, or LPT4 and to perform selective transfer of digital data via COM1, COM2, COM3, or COM4 from a computer. 5) Dispositif selon l'une quelconque des revendications précédentes caractérisé en ce que l'ensemble indissociable, boîtier(l) et logiciel(l3), constitue un système adapté "sur mesure" dès que les données de configuration sont figées et mémorisées de façon quasi-permanente. Néanmoins une nouvelle configuration peut facilement être effectuée en changeant les paramètres suivants: 5) Device according to any one of the preceding claims, characterized in that the indissociable assembly, case (l) and software (l3), constitutes a suitable "tailor-made" system as soon as the configuration data are frozen and memorized so almost permanent. However, a new configuration can easily be carried out by changing the following parameters: - la vitesse de transmission en "bauds". - the baud rate. - le nombre de bits par caractère. - the number of bits per character. - le nombre de "stop" bits. - the number of "stop" bits. - la parité paire/impaire. - even / odd parity. - le label descriptif du connecteur. - the descriptive label of the connector. - le "path" ou chemin des données à transférer.  - the "path" or path of the data to be transferred.
FR9204825A 1992-04-21 1992-04-21 Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control Withdrawn FR2690259A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9204825A FR2690259A1 (en) 1992-04-21 1992-04-21 Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204825A FR2690259A1 (en) 1992-04-21 1992-04-21 Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control

Publications (1)

Publication Number Publication Date
FR2690259A1 true FR2690259A1 (en) 1993-10-22

Family

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FR9204825A Withdrawn FR2690259A1 (en) 1992-04-21 1992-04-21 Automatic switching device for RS232 computer interfaces - uses electronic box connected to serial or parallel port of computer, links peripheral devices and provides automatic switching under software control

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007096A1 (en) * 1996-08-09 1998-02-19 Shuttle Technology Limited Computer interface apparatus
WO2000051006A1 (en) * 1999-02-26 2000-08-31 Scm Microsystems, Inc. Parallel port cable assembly
US6145046A (en) * 1997-11-18 2000-11-07 Shuttle Technology Group Ltd. Universal memory card interface apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998007096A1 (en) * 1996-08-09 1998-02-19 Shuttle Technology Limited Computer interface apparatus
US6145046A (en) * 1997-11-18 2000-11-07 Shuttle Technology Group Ltd. Universal memory card interface apparatus
WO2000051006A1 (en) * 1999-02-26 2000-08-31 Scm Microsystems, Inc. Parallel port cable assembly

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