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System for reading the status and for controlling the power supplies of appliances connected to computer networks

  • US 5,949,974 A
  • Filed: 07/23/1996
  • Issued: 09/07/1999
  • Est. Priority Date: 07/23/1996
  • Status: Expired due to Term
First Claim
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1. A computer network (10), comprising:

  • a host system (12) with a network manager (20) and providing for a TCP/IP communication connection (14) and able to issue read-status (48) and write-control (50) commands;

    at least one remote node (16) with an network agent (22) connected to said TCP/IP communication connection (14) and comprising a plurality of inter-networking devices (38-44) connected to receive operating power from an uninterruptable power supply (UPS) (26);

    a plurality of intelligent power modules (IPM) (30-36) connected between the UPS (26) and said plurality of internetworking devices (38-44), wherein each intelligent power module is connected to and provides at least one of power-on sensing load-sensing, or power cycling on-off for a corresponding internetworking device; and

    a power manager (28) with a network agent (46) connected to said TCP/IP communication connection (14) and each intelligent power module (30-36), and providing for at least one of power-on sensing, load sensing or power cycling on/off of the intelligent power module (30-36) according to receipt of said read-status (48) and write-control (50) commands.

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