StarTech.com DB92422 RS422 RS485 Serial DB9 to Terminal Block Adapter<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"> Meets Screw-type industrial wiring standards </span></li><li><span class="a-list-item"> Converts a DB9 male RS422/485 port to a 5 pin terminal block </span></li><li><span class="a-list-item"> Supports four wire RS422， RS485， and two wire RS485 modes </span></li><li><span class="a-list-item"> Supports 3.5mm 5 pin terminal blocks </span></li><li><span class="a-list-item"> Signal Ground over Terminal blocks supported </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TzuX6AB7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bsjXF09cL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Fj0glBZIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fbsSR7Y8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ivHbSqhkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YYo0uG81L.jpg" noproxy>