AYA RS232 to RS485 Passive Interface Converter Adapter Data Communication<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"> Signals: RS-232: TXD， RXD，RTS， CTS，DTR， DSR， DCD， CND </span></li><li><span class="a-list-item"> DB9 hole interface of RS-232 edn，DB9 pin connector of RS-485 end， compatible with post (5 connection) </span></li><li><span class="a-list-item"> Common wire double wire or UTP or Shielding line </span></li><li><span class="a-list-item"> Transmission distance: 5 meters (RS-232 end) 1.200 meter(RS-485 end) </span></li><li><span class="a-list-item"> Transmission speed: 300~115~21BDS </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4155gONsQQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yQhamWjdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-lyl-1Y8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31qZFr60phL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51mNEEFi2UL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41781nryAOL.jpg" noproxy>