Cable redundancy with a networked system

H - Electricity – 04 – B

Patent

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Details

H04B 1/74 (2006.01) G05B 19/418 (2006.01) H04L 1/22 (2006.01)

Patent

CA 2710855

Aspects of the invention provide apparatuses, systems, and methods for supporting cable redundancy in a network connecting a network controller (101) and an I/O device (109) (an adapter). An adapter includes a first port (407) and a second port (409) for receiving the same messages from a scanner (301) over a first and second transmission media (353, 355), respectively. A connection manager module (423) instructs a switching module (419) to direct the output data contained in the first message to a data structure (421) when the first transmission medium is operational and to direct the output data contained in the second message to the data structure when the first transmission medium is non-operational. Also, the adapter formats a message from input data. The connection manager instructs a switch (411) to direct the message to a primary port (407) when a primary transmission medium (655) is operational and to direct the message to a secondary port (409) when the primary transmission medium (753) is non-operational.

L'invention concerne des appareils, systèmes et procédés pour supporter une redondance de câble dans un réseau connectant une unité de commande de réseau (101) et un dispositif E/S (109) (adaptateur). Un adaptateur inclut un premier port (407) et un second port (409) pour recevoir les mêmes messages d'un scanner (301) sur un premier et un second support de transmission (353, 355), respectivement. Un module gestionnaire de connexion (423) instruit un module de commutation (419) de diriger des données de sortie contenues dans le premier message vers une structure de données (421) lorsque le premier support de transmission est opérationnel et pour diriger les données de sortie contenues dans le second message vers la structure de données lorsque le premier support de transmission est non opérationnel. De même, l'adaptateur formate un message des données d'entrée. Le gestionnaire de connexion instruit un commutateur (411) de diriger le message vers un port primaire (407) lorsqu'un support de transmission primaire (655) est opérationnel et de diriger le message vers un port secondaire (409) lorsque le support de transmission primaire (753) est non opérationnel.

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