IBM Dock I manual Cable Length, Example

Title: C74AMST CreationDate: 06/23/93 17:09:07

ft) maximum. This three-meter length includes both internal SCSI cables (inside the Dock I or external SCSI device) as well as external SCSI cables (outside the Dock I or external SCSI device).

The following table shows the SCSI cable length for the Dock I, IBM storage enclosures, and SCSI cables.

Cable	Length
Dock I Model 001 (internal cable)	0.2 m (0.7 ft)
SCSI Storage Enclosure, Model 3510 (internal cable)	0.3 m (1.0 ft)
External Storage Enclosure For SCSI Devices, Model 3511 (internal cable)	1.2 m (3.9 ft)
SCSI Card To Option Cable (60 to 50-pin external cable)	1.2 m (3.9 ft)
SCSI Option To Option Cable (50 to 50-pin external cable)	0.6 m (2.0 ft)

Example:

If you plan to install an SCSI device and two SCSI Storage Enclosures (Model 3510) to your Dock I, a total cable length of 2.6 m satisfies the specification (no more than three meters).

Cable	Length
Dock I internal cable	0.2	m (0.7 ft)
2—SCSI Storage Enclosures (Model	0.3	× 2 = 0.6 m (2.0 ft)
3510)
1—SCSI Card To Option Cable (60 to	1.2	m (3.9	ft)
50-pin, external)
1—SCSI Option To Option Cable (50 to	0.6	m (2.0	ft)
50-pin, external)
Total Length	2.6	m (8.6	ft)

Appendix B. SCSI Information B-5