Data network test equipment, also considered wireline communications test equipment is used by network operators to install, deploy and maintain their optical and copper-based telecommunications networks. This equipment includes LAN cable certifiers, optical time-domain reflectometer (OTDRs) for identifying and locating optical loss, fusion splicers, active network testers that troubleshoot and provide proof of performance, and a variety of other equipment. Whether you are installing, certifying, verifying, or troubleshooting copper, fiber, Cat 5, Cat 5e, Cat 6, Cat 6a, Cat 6e, Cat 7, Cat 7a, Cat 8, or whatever your cable, find the right network communications test equipment here that fits your requirements.