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If a SCSI-ID conflict exists, some of the SCSI devices will not be recognized by your system. In many systems it is common to use the SCSI-bus for the hard-drive and CD-ROM, as well as the tape drive. Remember that the SCSI Controller uses SCSI-ID 7. 3.8.1 SCSI-ID Selection Tandberg LTO HH Internal Tape Drive The SCSI-ID on the Tandberg LTO HH is set by jumpers. From the table below, you can “read out” which SCSI-ID the device has been set up for. All SCSI device ID's are displayed on the screen during system startup. SCSIConnectorServiceConnectorPowerConnector Figure 3.4 Drive connectors, internal model Tandberg LTO HH Installation and User Manual Tandberg Data Tape Drive Installation Example: SCSI-ID = 2 SCSI-ID=0 SCSI-ID=1 SCSI-ID=2 (Default) SCSI-ID=3 SCSI-ID=4 SCSI-ID=5 SCSI-ID=6 SCSI-ID=7 SCSI-ID=8 SCSI-ID=9 SCSI-ID=10 SCSI-ID=11 SCSI-ID=12 SCSI-ID=13 SCSI-ID=14 SCSI-ID=15 Table 3.1 Service Connector strap settings for SCSI-ID (Dark = Strap mounted) If the tape drive is the only device on the SCSI bus, you do not need to do anything. The tape drive will be recognized automatically. (All Tandberg Data tape drives are delivered with SCSI-ID 2 as default.) If the tape drive is going to share the SCSI-bus with other devices, check the SCSI-ID numbers used by the other devices, then set the drive’s SCSI-ID to a number that is not being used by any of the other devices (remember the SCSI host adapter uses ID 7) 3.8.2 SCSI-ID Selection Tandberg LTO HH External Tape Drive For the external tabletops, you will find the SCSI-ID setting thumb-wheel switch on the rear end of the unit box: SCSI-ID Switch Figure 3.5 Drive connectors, external tabletop model 3.9 SCSI-bus Termination 3.9.1 Termination in General A SCSI-bus is susceptible to interference, such as noise from electrical motors and other electromagnetic devices. Also due to the speed of the data on the SCSI-bus, it is of outmost importance to terminate the SCSI-bus properly. “Termination” is used to define the ends of the SCSI- bus. Tandberg LTO HH Installation and User Manual Tandberg Data Tape Drive Installation 3.9.2 SCSI-bus Termination – Internal Tape Drives The SCSI-bus cable must be terminated in both ends according to SCSI specifications. If the tape drive is the last device on the bus, the bus must be terminated within 10 cm of the tape drive connection. Host Internal Terminator Connector 10 cm SCSI-bus Last SCSI Device Figure 3.6 Internal SCSI cable Tandberg LTO HH tape drives have a combined SCSI-LVD/SE interface embedded. The PC-98 Specification specifies that the termination of the SCSI-bus system is a part of the SCSI-cable and not a part of the SCSI-device. For internal devices, a SCSI-cable with an integrated terminator or a separate terminator applied to the end connector of the cable, 10 cm from the last device must be used. 3.9.3 SCSI-bus Termination – External Tape Drives If the Tape drive is the only device on the external SCSI-bus, it must be terminated using the external SCSI termination provided with the solution. If other external device(s) is/are present, the Tandberg LTO HH tape drives can be installed in any position on the SCSI-bus. The Tandberg LTO HH tapes drive must be terminated if installed at the end of the SCSI-bus. See figure 3.7: External terminator on the last device on the SCSI bus SCSI Interface adapter Figure 3.7 Termination of external SCSI devices Tandberg LTO HH Installation and User Manual Tandberg Data Tape Drive Installation 3.10 Installation Internal Tape Drive Internal installation of the drive requires a free 5.25-inch half-height bay with an open front in your computer system. 1. Obtain access to the removable media bay. (Refer to the documentation supplied with your server for more information on accessing the removable media bay.) 2. Slide the tape drive into the bay, as shown in Figure 3.8. Figure 3.8 Installing the internal tape drive 3. Secure the tape drive to the bay. (If screws are required, use the screws supplied with the tape drive, or equivalent. See Section 3.4 Mechanical Installation and Section 3.5 Mounting Screw Requirements.) 4. Connect the power cable and the SCSI signal cable, as shown in Figure 3.9. Power Connector SCSI Connector SCSI Cable w/term Power Cable Figure 3.9 Connecting the cables to the Tandberg LTO HH tape drive 3.11 External Tape Drive Installation After the SCSI controller board has been installed and is working properly, the tape drive can be installed. Before starting, make sure the power is turned off. Tandberg LTO HH Installation and User Manual Tandberg Data Tape Drive Installation Please read carefully the Information about the SCSI-ID conflicts and SCSI termination in Sections 3.8 and 3.9. Note: Do not apply or insert power cord until all connections have been made. To install a tabletop tape drive, simply: 1. Connect the tape drive to your PC/Server with the enclosed SCSI cable to any of the two available SCSI connectors. Remember to place the termination on the...
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