Fast Ethernet Fiber Media Converter - UTP to 100Base-SX - ST Multimode， 2km， ...<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"> Backwards compatible with 100Base-FL </span></li><li><span class="a-list-item"> Standard Protocol - IEEE 802.3 10Base-T and IEEE 802.3u 100Base-TX/SX </span></li><li><span class="a-list-item"> Connector - One UTP RJ45， Two ST Fiber </span></li><li><span class="a-list-item"> Operation mode - Full Duplex or Half Duplex </span></li><li><span class="a-list-item"> Fiber (micron) - 50/125， 62.5/125， or 100/140 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31S80BkJiuL.jpg" noproxy>