Spectra Logic 2K - Manual (Page 79)

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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 Cable Requirements
• 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