POTS (plain old telephone service) delivers a nominal 48 Vdc from the local exchange to your telephone, and we very much take it for granted that when we pick up the telephone it is going to work. For ...

First off, thanks for looking -- View image here: http://episteme.arstechnica.com/groupee_common/emoticons/icon_smile.gif --<br><br>We have an investor coming in next ...