HP A7518B HP StorageWorks SDLT Tape Drive Getting Started Guide - internal mod - Page 23
Step 6: Attach power and SCSI cables, Where should the SCSI terminator be? - 320 tapes
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UPC - 882780125599
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Step 6: Attach power and SCSI cables To support the high performance of the tape drive it is important to use a suitably-rated SCSI cable. We recommend that you use the ribbon cable supplied with the tape drive. This supports up to Ultra 4 (320) bus speeds. 1 Attach a spare power cable from the server's internal power supply to the power connector, as shown in Figure 7, item 1. Attach the SCSI ribbon cable supplied with the tape drive to the SCSI host bus adapter or controller. 2 Attach a spare connector on the server or HBA's SCSI ribbon cable to the SCSI connector of the drive, as shown in Figure 7, item 2. 3 If the drive is the last device on the SCSI chain, make sure that the SCSI cable is terminated correctly. Where should the SCSI terminator be? Termination must be present at two and ONLY two positions on the SCSI bus-at the beginning of the SCSI bus and at the end of the SCSI bus. Termination is normally enabled by default on the HBA and most internal SCSI cables have a terminator attached. This will usually be a small, rectangular block of plastic attached to the cable end and marked 'SCSI Terminator'. Therefore, assuming the HBA is the first device on the bus, you should check that the second terminator is placed after the last device, as shown in Figure 7, item 2. 19
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