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United States Patent

[19]

Martin

US005841992A [ii] Patent Number: 5,841,992 [45] Date of Patent: Nov. 24, 1998

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OTHER PUBLICATIONS

Lonworks Network FAQ, http://www.echelon/com, 1995.
STLA/2 Serial Lontalk Adapter Modem 7300, 1995.
Serial Lontalk Adapter (SLTA/2) Model 73000, pp. 75 & 77,
Eschelon brochure.; undated.

Primary Examiner—Mark H. Rinehart
Attorney, Agent, or Firm—Emrich & Dithmar

[57] ABSTRACT

An intelligent converter is programmably adaptable for interlacing a data processing system to any one ol plural selectable serial devices, each uniquely responsive to a serial data bit stream ol a device-specific data communication format. The data processing system is adapted for communication with externally coupled resources in accordance with a predefined network communication protocol ol the type including user-programmable network lunction layers and non-programmable network lunction layers to coordinate and ensure the integrity ol transler ol data therebetween.

17 Claims, 3 Drawing Sheets

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