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<div>>long cables</div><div><br></div><div>how long is long? 50 ft, 300 ft, 1000 ft</div><div><br></div><div>I have 50-100 ft strung all over my house and many of us probably do. </div><div><br></div><div>When does too long become a problem?<br></div><div><br></div><div>A common solution is TVS diodes, but they also have Opto-isolators for communications. The power can be on a separate from communications and will be less sensitive to TVS.</div><div><br></div><div>Just throwing out ideas. In the electric power industry we always use fiber for comms.<br></div><div><br></div><div>John Vaughters<br></div></div></body></html>