Black Box SC120A-R2 Uživatelský manuál stáhnout pdf (Strana 8)

CHAPTER 1: Specifications

1. Specifications

SCSI Interface

Maximum Port Switching Delay: 3 ns

Maximum Signal Skew: 2 ns

Internal Terminator Power: 1 amp

Rear-Panel Connectors: 68-pin high-density

SCSI-1, SCSI-2, and SCSI-3 (also Ultra160 SCSI [“Ultra3 SCSI”] for SC120A-R2),

SPI-2 compatible; asynchronous and synchronous compatible; conforms to

ANSI X3.131 and X3T9.2

Single-Ended (SE) SCSI (SC120A-R2 Only)

Maximum Data Rate (8-bit Narrow): 20 MBps

Maximum Data Rate (16-bit Wide): 40 MBps

Maximum Port Cable Length: 6 meters (20 ft.)

Internal Terminator Impedance: 100 ohms

Terminator Disconnect Capacitance: 3 pF

Active Internal Bus Termination

Differential (DE) SCSI (SC121A Only)

Maximum Data Rate (8-bit Narrow): 40 MBps

Maximum Data Rate (16-bit Wide): 80 MBps

Maximum Port Cable Length: 25 meters (82 ft.)

Internal Terminator Impedance: 110 ohms

Terminator Disconnect Capacitance: 5 pF

Passive Internal Bus Termination

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Black Box SC120A-R2 Uživatelský manuál Strana 8