Appendix b. scsi cable and terminator requirements, Scsi cable requirements – Spectra Logic 2K User Manual
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Appendix B. SCSI Cable and Terminator
Requirements
To operate correctly, the library must meet certain requirements as explained by the
following sections:
• SCSI Terminator Requirements
SCSI Cable Requirements
The following table lists the recommended specifications for a SCSI cable (not
included).
Cable Feature
Requirement
Standard Construction
68 conductors (34 twisted pairs with drain wire and shield)
Primary Conductors
Insulated per UL Style 1589
Gauge: #28 AWG minimum stranded (7/34) annealed, tinned copper
Insulation: Polypropylene (80° C) 0.010 inch nominal
Shielding
80% minimum tinned copper braid over aluminum/mylar foil
Outer Jacket
Insulated per UL Style 2919, polyvinyl chloride (PVC) (80° C)
Voltage Rating
30 VAC
Impedance
100 Ohms ±10% @ 1.5 MHz
Grounding
Case to case grounding
Connector
68-contact AMP Amplimate 0.050 male, shielded, SCSI-3 connector