Tripp Lite S140-000 External SCSI Ultra320 LVD Active Terminator - HD68M External SCSI U320 LVD/SE Active Terminator (HD68 M) Active terminators have voltage regulation circuitry designed to compensate for all voltage fluctuations caused by reflection in the SCSI bus Backwards compatible with previous SCSI generations All Tripp Lite SCSI products, regardless of the SCSI generation, meet the latest specifications of ANSI Lifetime warranty