<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10pt"><div> <span id="yiv9186248671misspell-0" class="yiv9186248671mark">USB</span> problems have driven me nuts! When your <span id="yiv9186248671misspell-1" class="yiv9186248671mark">sim</span> is powered by two 40 amp circuits the electronics start doing strange things. Throw in aircraft panels and a cockpit frame that use a common AC/DC chassis ground and it can get really <span id="yiv9186248671misspell-2"><span>weird</span></span>. </div><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt;"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12pt;"><div class="y_msg_container"><div id="yiv9186248671"><div><div style="color: rgb(0, 0, 0); font-family:
HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10pt; background-color: rgb(255, 255, 255);"><div> </div><div>The 737 <span id="yiv9186248671misspell-2" class="yiv9186248671mark">sim</span> has 64 relays. The 400<span id="yiv9186248671misspell-3" class="yiv9186248671mark">hz</span> inverter is powerful enough to start a real 737 <span id="yiv9186248671misspell-4" class="yiv9186248671mark">APU</span>. </div><div> </div><div>Also annoying is using <span id="yiv9186248671misspell-5" class="yiv9186248671mark">USB</span> Cards that have to be set to specific ports on a network of computers. Any change in <span id="yiv9186248671misspell-6" class="yiv9186248671mark">USB</span> cord position requires changing the software which turns into yet more time spent. </div><div> </div><div><span id="yiv9186248671misspell-7" class="yiv9186248671mark">USB</span> ports also have a habit of loosing a good
connection with the cable, especially after a <span id="yiv9186248671misspell-8" class="yiv9186248671mark">sim</span> is transported. it gets old having to re-connect each plug at both ends to get things to work. </div><div> </div><div>I keep spare <span id="yiv9186248671misspell-9" class="yiv9186248671mark">USB</span> cables close by because they seem to randomely go bad. had that happen last weekend. Changed the cable at the card worked fine.</div><div> </div><div>The voltage <span id="yiv9186248671misspell-11"><span>separation</span></span> is a good rule of thumb, (I understand a minimum of one foot) but is really hard to do with a lot of cockpits.</div><div class="qtdSeparateBR"><br><br></div><div id="yiv9186248671yqtfd25598" class="yiv9186248671yqt6898050014"><div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13.32px; font-style: normal;
background-color: transparent;"> </div><div>Justin </div><div> </div><div>--------------------------------------------------------------------------------------------</div><div> </div><div>>This is only a concern if you've got a <span id="yiv9186248671misspell-10" class="yiv9186248671mark">USB</span> cable running in parallel and <br clear="none">close proximity to an AC line. If the <span id="yiv9186248671misspell-11" class="yiv9186248671mark">USB</span> cable crosses the AC line at a <br clear="none">90 degree angle, you should be fine.<br clear="none"><br clear="none">>You'll have the same issue with <span id="yiv9186248671misspell-12" class="yiv9186248671mark">ethernet</span> if you're running it parallel to <br clear="none">AC lines.<br clear="none"><br clear="none">A good rule of thumb is to keep low voltage stuff on one side of
the <br clear="none">cockpit and AC stuff to the other.<br clear="none"><br clear="none">g.</div></div></div></div></div><br><br></div> </div> </div> </div></body></html>