Barracuda 4LP Installation Guide, Rev. B | 21 |
Figures 3a, 3b, 3c, and 3d show typical drive connections. The following table lists the maximum cable lengths and number of devices with single-ended I/O circuits allowed on a daisy-chain cable for <10 and <20 M transfers/sec I/O data transfer rates.
Table 4. Cable characteristics for single-ended circuits
| Maximum number of | Maximum cable |
I/O transfer rate | devices on line | length allowed |
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|
|
<10 M transfers/s | 8 (reg. SCSI bus) | 6 meters (19.7 ft.) |
|
|
|
<10 M transfers/s | 16 (wide SCSI bus) | 6 meters (19.7 ft.) |
|
|
|
<20 M transfers/s | 4 (reg./wide SCSI bus) | 3 meters (9.8 ft.) |
|
|
|
<20 M transfers/s | 8 (reg./wide SCSI bus) | 1.5 meters (4.9 ft.) |
|
|
|
For devices having differential I/O circuits, a maximum cable length of 25 meters (82 feet) is allowed. A maximum of 8 devices can be connected on an
