Instruction manual

27
SCSI Cables and Adapters
Maximum Cable Lengths
The total length of cabling (internal and external) on the SCSI bus
may not exceed the maximum lengths listed in Table 5.
❒
Table 5. Maximum Cable Lengths
Maximum
Cable Length Data Transfer Rate
Maximum
Peripherals
Supported
12 m (29.4 ft) Ultra2 (80 MBytes/sec)
1
1
Mixing Fast/Ultra peripherals with Ultra2 peripherals on the same segment causes
the entire SCSI bus to default to Ultra SCSI speeds and cable requirements.
15
3 m (9.8 ft) Fast SCSI
(10 MBytes/sec)
7
3 m (9.8 ft) Wide SCSI
(20 MBytes/sec)
15
3 m (9.8 ft) Ultra SCSI
(40 MBytes/sec for 16-bit (Wide),
20 MBytes/sec for 8-bit)
4
1.5 m (4.9 ft) Ultra SCSI
(40 MBytes/sec for 16-bit (Wide),
20 MBytes/sec for 8-bit)
5-8
2
2
Ultra SCSI data transfer rates do not currently support more than eight devices.