The DSX-PLA804S/CHA804S are sets of two permanent link or two channel adapters with RJ45 connectors. The adapters are for use with Fluke Networks DSX-8000 CableAnalyzer™ modules. These adapters let you test and certify installed permanent links and channels to ANSI/TIA/EIA Cat 8/ISO Class I standards and verify that links will support 40GBASE-T Ethernet applications.