Exabyte 480 Manuale Utente

Specifications

Installation and Operation

149

The following table lists the recommendations for external SCSI 
cables for the narrow SCSI library.

For the wide SCSI library, use cables that conform to SCSI-3 
specifications.

Standard 
Construction

50 conductors (25 twisted pairs with drain wire 
and shield)

Primary 
Conductors

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

Voltage Rating

30 VAC

Impedance

Single-ended:  88 Ohms ±  8 Ohms

Differential:  130 Ohms ±  12 Ohms

Grounding

Case-to-case grounding

Connector

50-contact AMP Amplimite 0.050 male, 
shielded, SCSI-2 connector