Tripp Lite's single ended Micro C50 active Terminator is the one for all of your external SCSI Iapplications. Used with SCSI devices which have a Micro C50 female port. Tripp Lite's active terminators provide the clearest data signal maximizing signal integrity. Supports Fast and Ultra Single Ended devices at 10 or 20 Mbps. Active Terminators Have A Voltage Regulator Circuit To Compensate For Fluctuations In The Host Adapter. Tripp Lite offers a lifetime replacement warranty on all cable products.