Broad Capabilities TVR10/100/1000 helps you locate faulty hubs, PCs or cable connections that are stopping or limiting the performance of your 10, 100 and 1000 Base-T LAN. You can even go inline between two LAN devices and determine the final negotiated speed and duplex of the link. Designed for both the LAN installer and repair person, it is useful documenting legacy LANs, installing and repairing LANs or adding equipment to existing LANs. The TVR10/100/1000 has been designed to test LAN devices and cabling to the 10, 100 and 1000 Base-T standard.