NETWORK SYSTEM

NETWORK SYSTEM

In a network in which a plurality of devices are classified into a plurality of layers, in a case where communication independent of the layers and communication within the layers are performed through physical lines, the reliability of communication is improved. A physical first line (501) is conne...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: DOHMAE, Hiroshi, HIGASHIYAMA, Shin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HEATING
LIGHTING
MECHANICAL ENGINEERING
RANGES
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
VENTILATING
WEAPONS
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Beschreibung
Zusammenfassung:In a network in which a plurality of devices are classified into a plurality of layers, in a case where communication independent of the layers and communication within the layers are performed through physical lines, the reliability of communication is improved. A physical first line (501) is connected to an outdoor unit (110) and a first indoor unit (121), which are first-layer devices, and a physical second line (502) is connected to a second indoor unit (122), which is a second-layer device. A first intermediary unit (150), which is a first intermediary device, includes a first filter (151) always connected to the first line (501) and the second line (502). The first intermediary unit (150) communicates with the outdoor unit (110) and the second indoor unit (122) via a first signal. The first filter (151) is installed so as not to attenuate a high-frequency first signal used for communication among the outdoor unit (110), the first indoor unit (121), the first intermediary unit (150), and the second indoor unit (122) and so as to attenuate a low-frequency second signal used for communication between the first intermediary unit 150 and the second indoor unit 122.