The comp.automation WWW home page:
http://web.cs.ualberta.ca:80/~wade/HyperHome/
The X10 FAQ:
ftp://ftp.scruz.net/users/cichlid/public/x10faq
``X10 Powerhouse Technical Note, The X-10 Powerhouse Power Line Intervace Model #PL513 and Two-Way Power Line Interface Model #TW523, Revision 2.4''
available from:
X-10 (USA) Inc. 91 Ruckman Rd. Box 420 Closter, NJ 07624-0420 201-784-9700 800-527-0027