Akai DR16 pro Instrukcja Operatora Strona 107

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12: Hard Disks
Page 98
SCSI-A
The SCSI-A bus is used to connect external hard disks for recording.
SCSI Cables
Use only high-quality SCSI cables when connecting SCSI devices. Cables are available in a vari-
ety of lengths; however, you should pay particular attention to the total length of the SCSI daisy
chain. It is not the length of each cable that is important, but the total length of all cables used in the
daisy chain. The total length must not exceed 6 meters (20 ft.).
SCSI-A
SCSI
HARD DISK
SCSI
HARD DISK
SCSI
HARD DISK
Total length of SCSI cables
must not exceed 6 m (20 ft)
SCSI IDs
Each SCSI device in the SCSI daisy chain is assigned its own ID number. SCSI-A ID numbers can
be set from 0 to 7. The DR16pro itself uses ID 7, and the internal hard disk ID 0. Use ID numbers
other than 0 and 7 for hard disks connected via SCSI-A.
Caution:
If you set an external hard disk’s ID number to that used by the internal hard disk, the
DR16pro will not be able to detect an error, so no error message will appear. In this case, the
DR16pro may appear to work correctly, but recording will not be performed correctly, and exist-
ing material may be destroyed. You must be very careful when setting SCSI ID numbers.
The following diagram shows how SCSI IDs should be set for a typical DR16pro SCSI daisy chain:
SCSI-A
SCSI
HARD DISK
SCSI
HARD DISK
SCSI
HARD DISK
ID 1 ID 2 ID 3
DR16pro: ID 7
Internal hard disk: ID 0
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