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Switchable bus termination and address selector

  • US 4,920,339 A
  • Filed: 01/06/1989
  • Issued: 04/24/1990
  • Est. Priority Date: 01/06/1989
  • Status: Expired due to Fees
First Claim
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1. In a communication network having a plurality of devices for communication therebetween over at least one transmission path coupling the devices together, at least one said device being addressable and responsive to a selected address for communication, a switchable termination module associated with said at least one addressable device, the module comprising:

  • a port for connection to the at least one transmission path;

    a controllable terminator for the at least one transmission path connected to the port; and

    a switch having a first set of switch conditions for enabling the terminator to terminate the transmission path and for simultaneously selecting one of a plurality of addresses to which the at least one device responds, and a second set of switch conditions for disabling the terminations of the terminator and for simultaneously selecting any one of a plurality of addresses for the at least one device.

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