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Routing facility for a subsea electronics module

  • US 8,773,277 B2
  • Filed: 09/25/2006
  • Issued: 07/08/2014
  • Est. Priority Date: 09/25/2006
  • Status: Expired due to Fees
First Claim
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1. A routing facility for a subsea electronics module, comprising:

  • a first region of a single planar circuit board including;

    a differential serial bus,a control bus of the subsea electronics module,a microcontroller directly connected to the control bus,a plug providing external connection to the circuit board,a plurality of router resources configured to route data packets between segments of the differential serial bus,wherein each router resource coin rises one local transceiver connected to one remote transceiver connected to unique pins of the plug,wherein each of the remote transceivers is galvanically isolated from its respective local transceiver, andan integrated circuit routing device connected to the control bus and configured to receive data from a main control unit of the subsea electronic module and from the router resources,wherein each of the local transceivers is separately connected to the integrated circuit routing device, andwherein the integrated circuit routing device is configured to route the received data through the differential serial bus, anda second region of the circuit board including;

    three input/output interfaces, including a digital input, a digital output interface, and an analog input interface,wherein the interfaces are connected to the microcontroller via the differential serial bus, the router resources, and the integrated circuit routing device such that the interfaces are accessible to the main control unit via the microcontroller.

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