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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, & SCSI-3, SPI-2 compatible (also Ultra160 SCSI [“Ultra3 SCSI”]
for SW487A-R2); asynchronous and synchronous compatible; conforms to
ANSI X3.131 and X3T9.2
Single-Ended (SE) SCSI (SW487A-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: 4 pF
Active Internal Bus Termination
Differential (DE) SCSI (SW485A 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
