Utility meter firewall that is set up by remote control server to allow passage of broadcast meter control messages

Utility (electric, gas, water) meters (34,35,36) can receive control messages from networks to send tariff readings or switch devices on/off depending upon network loading. This requires the sending of unicast messages to each meter to overcome firewall issues. The invention proposes a firewall that...

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Bibliographische Detailangaben
1. Verfasser:	HAMISH MCLAREN
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Utility (electric, gas, water) meters (34,35,36) can receive control messages from networks to send tariff readings or switch devices on/off depending upon network loading. This requires the sending of unicast messages to each meter to overcome firewall issues. The invention proposes a firewall that can be remotely controlled by a central management server (11) in the external network. This process may involve passwords for authentication. The firewall is then set up with a pinhole to allow the passage of broadcast control messages. The electricity meter can act as hub which forms a pico net with the gas and water meters and other devices.