C2G/Cables to Go 52086 Serial270 DB9 F/F Serial RS232 Null Modem Cable (50 Feet， Black)<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"> Quickly connect two PC serial ports with the patented Serial270 DB9 cable. This null modem serial cable allows two DTE or DCE devices to communicate with no conflict in data transmission. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31comjkZCaL.jpg" noproxy>