Tripp Lite's LVD/SE rated (mode-conditioning) external U320 terminator is the perfect solution for any application that requires an HD68M terminator at the end of a SCSI chain. Supports fast/ultra wide SCSI devices up to 320Mbps. This "Mode-conditioning" terminator makes up for any impedance irregularities (multiple formats like U160 and U320 on same SCSI chain). HD68M terminator has thumbscrews for secure connection. Also features an LED. Tripp Lite's active terminators provide the clearest data signal maximizing signal integrity. Supports fast/ultra wide SCSI devices up to 320Mbps. Tripp Lite warrants this product to be free from defects in materials and workmanship for life.