Abstract: A drill string rotation controller includes an anti-torque balance module, a TC bearing retaining ring, an upper TC bearing, an upper thrust ball bearing, an upper Haval ring, a middle seal retaining ring, an upper mandrel, an upper shell, a rotary control cylinder, an upper spring, a spline shell, a spline sleeve, a spline mandrel, a lower shell, a spring push sleeve, a lower spring, a floating piston, a lower mandrel, a bulkhead, a lower thrust ball bearing, a lower Haval ring, a lower TC bearing, a conversion joint, an anti-drop joint, a lower joint, and a control pin. The rotary control cylinder causes the spline sleeve to switch the transmission relationship between the spline mandrel and shell. Therefore, the drill string rotation controller controls the conversion between the composite drilling mode and the directional drilling mode.

Abstract: A split roller cone and polycrystalline diamond compact (PDC) composite drill bit, including a PDC bit module, a split roller cone bit module, and a drill bit body module. The split roller cone bit module has split structure, and during the operation, the lower roller cone body and the upper roller cone body revolve with the drill bit, and rotate around the axle neck of the palm respectively, thereby achieving the task of scraping and breaking rocks. The tooth scraping efficiencies of the small-end ring gear and the middle ring gear are improved. The split roller cone bit module, the PDC bit module, and the drill bit body module can be mass-produced. The split roller cone bit module and the PDC bit module can be quickly assembled and disassembled with the drill bit body module and different sizes of PDC bit modules are assembled with the bit body module.

Abstract: A split roller cone and polycrystalline diamond compact (PDC) composite drill bit, including a PDC bit module, a split roller cone bit module, and a drill bit body module. The split roller cone bit module has split structure, and during the operation, the lower roller cone body and the upper roller cone body revolve with the drill bit, and rotate around the axle neck of the palm respectively, thereby achieving the task of scraping and breaking rocks. The tooth scraping efficiencies of the small-end ring gear and the middle ring gear are improved. The split roller cone bit module, the PDC bit module, and the drill bit body module can be mass-produced.

Abstract: A combination includes: (a) a communications module including: a housing; a printed wiring board mounted within the housing; a plurality of RJ-45 jacks mounted on the printed wiring board and accessible from one side of the housing; and a single module connector mounted to the printed wiring board and electrically connected to the RJ-45 jacks, connector being accessible from a second side of the housing; and (b) a cable-connector assembly including: a cable comprising a plurality of subunits, each of the subunits comprising a jacket and a plurality of twisted pairs of conductors positioned within the jacket; and a single cable connector mounted to the printed circuit board and electrically connected to the conductors of the cable subunits. The module connector is attached to the cable connector.

Abstract: A module adapted for use with a datacommunications equipment mounting structure includes: a generally upright divider panel; a cover panel disposed generally parallel to the divider panel, the cover panel and divider panel being spaced apart from each other to form a gap; and a plurality of telecommunications cables, each of the telecommunications cables comprising a plurality of telecommunications patch cords, the cables comprising bundled patch cords at a first end and unbundled patch cords at a second opposite end, the cables being positioned in the gap between the divider panel and cover panel. The bundled patch cords at the cable first end include first interconnection terminals, and the unbundled patch cords at the second end include second interconnection terminals. The first terminals are located at first edges of the divider and cover panels.

Abstract: A module adapted for use with a datacommunications equipment mounting structure includes: a generally upright divider panel; a cover panel disposed generally parallel to the divider panel, the cover panel and divider panel being spaced apart from each other to form a gap; and a plurality of telecommunications cables, each of the telecommunications cables comprising a plurality of telecommunications patch cords, the cables comprising bundled patch cords at a first end and unbundled patch cords at a second opposite end, the cables being positioned in the gap between the divider panel and cover panel. The bundled patch cords at the cable first end include first interconnection terminals, and the unbundled patch cords at the second end include second interconnection terminals. The first terminals are located at first edges of the divider and cover panels.

Abstract: A module adapted for use with a datacommunications equipment mounting structure includes: a generally upright divider panel; a cover panel disposed generally parallel to the divider panel, the cover panel and divider panel being spaced apart from each other to form a gap; and a plurality of telecommunications cables, each of the telecommunications cables comprising a plurality of telecommunications patch cords, the cables comprising bundled patch cords at a first end and unbundled patch cords at a second opposite end, the cables being positioned in the gap between the divider panel and cover panel. The bundled patch cords at the cable first end include first interconnection terminals, and the unbundled patch cords at the second end include second interconnection terminals. The first terminals are located at first edges of the divider and cover panels.

Abstract: A combination includes: (a) a communications module including: a housing; a printed wiring board mounted within the housing; a plurality of RJ-45 jacks mounted on the printed wiring board and accessible from one side of the housing; and a single module connector mounted to the printed wiring board and electrically connected to the RJ-45 jacks, connector being accessible from a second side of the housing; and (b) a cable-connector assembly including: a cable comprising a plurality of subunits, each of the subunits comprising a jacket and a plurality of twisted pairs of conductors positioned within the jacket; and a single cable connector mounted to the printed circuit board and electrically connected to the conductors of the cable subunits. The module connector is attached to the cable connector.

Abstract: A module adapted for use with a datacommunications equipment mounting structure includes: a generally upright divider panel; a cover panel disposed generally parallel to the divider panel, the cover panel and divider panel being spaced apart from each other to form a gap; and a plurality of telecommunications cables, each of the telecommunications cables comprising a plurality of telecommunications patch cords, the cables comprising bundled patch cords at a first end and unbundled patch cords at a second opposite end, the cables being positioned in the gap between the divider panel and cover panel. The bundled patch cords at the cable first end include first interconnection terminals, and the unbundled patch cords at the second end include second interconnection terminals. The first terminals are located at first edges of the divider and cover panels.

Abstract: Remote access to a platform management system, for example via an intelligent platform management interface (IPMI), is maintained despite a failure affecting a local area network (LAN) controller. Failover to a second, operational LAN controller can be achieved by monitoring the status of the LAN controllers, and using a selector to couple a different LAN controller to a platform controller if the LAN controller currently coupled to the platform controller fails.

Abstract: Remote access to a platform management system, for example via an intelligent platform management interface (IPMI), is maintained despite a failure affecting a local area network (LAN) controller. Failover to a second, operational LAN controller can be achieved by monitoring the status of the LAN controllers, and using a selector to couple a different LAN controller to a platform controller if the LAN controller currently coupled to the platform controller fails.

Abstract: An example embodiment of a system for providing fail-over between switches in a network may include a switch having a server-side port and a fail-over circuit in communication with the server-side port. The switch may also include a status circuit, in communication with the fail-over circuit. The switch may also include a switch-side port. The status circuit may communicate the link status of the switch-side port to the fail-over circuit. In response to receiving a link status of down for the switch-side port, the fail-over circuit may automatically disable the server-side port. A related system may include more than one switch, and the system may automatically fail-over from a first switch to a second switch, in response to the disablement of the server-side port in the first switch. At least one related method is also described.

Abstract: Network switches of an information handling system are automatically configured by a PXE agent associated with each network switch, such as a PXE agent embedded in firmware of each network switch. The PXE agent automatically requests a configuration image during boot of the network switch and re-configures the network switch with the configuration image. For instance, the PXE agent requests configuration service from a PXE server, which directs a TFTP server to download the configuration image to the network switch. In one embodiment, a blade server has plural server blades supported in plural chassis with each chassis having one or more switches. Each switch has a PXE agent so that the switches of the blade server are automatically configured with the same configuration image. Alternatively, selected configuration factors, such as a static IP address, are individually configured by reference to a unique identification, such as a universal unique identifier.