
US008549062B2 (12) United States Patent Ewing et al. US 8,549,062 B2 *Oct. 1, 2013 (10) Patent N0.: (45) Date of Patent: (54) (75) (73) (*) (21) (22)
US. Pat out 902“ communications : personality module 904“ t I2C peripheral ‘ ‘ internal l2C-bus board l 4-port IPM n v llll l > 4-port IPM l llll 9
US 8,549,062 B2 1 NETWORK REMOTE POWER MANAGEMENT OUTLET STRIP RELATED APPLICATIONS AND PATENTS This application is a continuation of US. patent appli
US 8,549,062 B2 3 These and many other objects and advantages of the present invention Will no doubt become obvious to those of ordinary skill in the
US 8,549,062 B2 5 ?ve bytes (address, type data, data, checksum) in Which the data bytes represent the type of l-Wire bus probe and the probe data. Th
US 8,549,062 B2 7 cycles. All four channels are converted once during each 1.042 ms, about 260 us apart. After four AC (60 HZ) cycles, each channel ha
US 8,549,062 B2 9 power source is passed through the primary Winding of an isolation transformer 604. A set of four AC-Line outputs 606 are then conne
US 8,549,062 B2 11 An absolute identi?er Was needed for the user to enter commands. A combination of Enclosure ID, Input Feed ID, and Relay ID must be
US 8,549,062 B2 13 SenINITiSENTRY initialization procedure. This software was the ?rst SENTRY software that executes. It performs hardware, 14 -contin
US 8,549,062 B2 15 Intelligent Power Module (IPM) Array — — This was an array of control blocks with each entry representing an IPM de?ned to the sys
US 8,549,062 B2 Page 2 (56) References Cited U.S. PATENT DOCUMENTS 4,814,941 A 3/1989 Speetet a1. 5,424,903 A 6/1995 Schreiber 5,563,455 A 10/1996 Che
US 8,549,062 B2 17 The protocol stack 722 interfaces to a remote poWer man ager 724, and it converts software commands communicated in the form ofTCP/
US 8,549,062 B2 Page 3 Of?ce Action dated Mar. 29, 2012; Reexamination Control No. 95/001,485; USPTO; 103 pp. Server Technology, Inc.; “Patent Owner’s
US. Patent 0a. 1, 2013 Sheet 2 of8 US 8,549,062 B2 f 200
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