A • Glossary of Terms 600 Series 6U CPCI Chassis User Manual68 TShroudA male connector body designed to fit over theextended tails of a long tail connector which allows afemale connector to be mated from the rear side formidplane or rear I/O applications.TTDMTime Division Multiplex—A technique for transmit-ting a number of separate data, voice and/or video sig-nals simultaneously over one communicationsmedium by quickly interleaving a piece of each signalone after another.TNVTelephone Network Voltages—any voltage present onthe telephone network side of the isolation device onany device (for example, board) that connects to thetelephone network.UUAn EIA unit of measurement equal to 1.75” forequipment racks.WWarm-SwapAn environment supporting removal and insertion ofpower supplies while under power, wherein the powersupply is disabled during insertion and removal,avoiding the need for the connectors to make andbreak high current connections while under load.
