CableMax® RS-232 LED link Tester DB-9 Male to DB-9 Female<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> RS-232 DB-9 / DB25 Pin assignment No Power required </span></li><li><span class="a-list-item"> Standard RS-232 DTE &amp; DCE Interface </span></li><li><span class="a-list-item"> Offers DB-9 Female &amp; DB-9 Male Connectors </span></li><li><span class="a-list-item"> Easy to install ， Plug &amp; Play </span></li><li><span class="a-list-item"> OS Compatibility: Windows 98， Me， XP， 2000， 2003， CE， Vista， Windows 7， and Windows 8 as well as Linux and Mac OS 10.X </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41PnXsbG%2BBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LddUHqa8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41WnGUZ3NJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Oa0bcholL.jpg" noproxy>