Download of English Version of ECHONET Specification   Version 2.11 [Contents of Specifications] [Download] General Contents and Definitions of Terms spec_v211e_0.pdf (136kB) Part1 ECHONET Overview spec_v211e_1.pdf (196kB) Part2 ECHONET Communications Middleware Specifications spec_v211e_2.pdf (1.6MB) Part3 Transmission Media and Lower-layer Communication Software Specification spec_v211e_3.pdf (1.1MB) Part4 ECHONET Basic API Specification spec_v211e_4.pdf (708kB) Part5 ECHONET Common Lower-layer Communication Interface Specification spec_v211e_5.pdf (208kB) Part6 ECHONET Discrete Lower-layer Communications Interface Specification spec_v211e_6.pdf (196kB) Part7 ECHONET Communications Equipment Specification spec_v211e_7.pdf (372kB) Part8 ECHONET Service Middleware Specification spec_v211e_8.pdf (144kB) Part9 ECHONET Gateway Specification spec_v211e_9.pdf (168kB) Part10 ECHONET System Design Guidelines spec_v211e_10.pdf (96kB) Appendix Detailed Stipulations for ECHONET Device Objects spec_v211e_Appendix.pdf (520kB) errata spec_v211e_errata.pdf (32kB) Acrobat Reader is necessary to look at a PDF file. More than IE5.0 or Netscape is necessary to download a PDF file. *If a PDF file does not appear on a display, please download a PDF file of Japanese font. URL: http://www.adobe.com/products/acrobat/acrrasianfontpack.html