Appendix B
Considerations for installing the library on the SCSI bus
This section provides the basic rules and considerations for setting up the library on the SCSI bus.
Single-ended, LVD, or HVD
CAUTION
Do not connect an LVD library to an HVD SCSI bus, you may damage the devices attached to the bus.
Every SCSI device attached to the SCSI bus must be compatible: either single-ended or low-voltage differential (LVD) or all high-voltage differential (HVD). On a single-ended SCSI bus, one signal line is used to transmit a bus signal between devices. On a differential bus, two signal lines are used. If your library is single-ended or LVD, then all devices you install on the SCSI bus must also be single-ended or LVD; if your library is HVD, all devices must be HVD. These other devices include the tape drives installed in the library, the adapter card installed in your host computer, and terminators.
Note: Be aware that if you connect single-ended and LVD devices on the same bus, all devices on the bus operate as single-ended devices.
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