Visit Amazon.com : http://www.amazon.com/gp/product/B00006HXSV?tag=thefatkidin06-20<br /><br />Fluke Networks LinkRunner Network Multimeter 100Mbps Network Link Testing Device<br /><br />Portable troubleshooting device for testing and verifying the physical and data link layers of a network <br />Performs automated connectivity tests to help identify network problems <br />Identifies cabling infrastructure including length and type of both structured or patch cables to help uncover potential issues <br />Verifies network drops and identifies link types device capabilities and link speed to help diagnose and solve complex issues <br />Tests connectivity to network resources and response time to determine whether a PC NIC is responding
