Appendix B SCSI Cable Specifications
B-1
Appendix B SCSI Cable
Specifications
The recommended SCSI cable for an Ultra Wide SCSI-2 operating at
a transfer rate of 40 Mbytes/sec. is described below.
•
Maximum length
1.5 meters
•
Impedance
Between 90
Ω
to 132
Ω
•
Signal Attenuation
0.095 dB/meter @ 5 MHz (max.)
•
Pair-Pair Propagation
Delay Delta
0.2 ns/meter (max.)
•
DC Resistance
0.23
Ω
/meter @ 20
°
C (max.)
SCSI Standards, Cable Length and Corresponding Maximum
Possible Drive Connections
Single-
Ended
Differential
LVD
Maximum
Devices
SCSI-1
6 m
25 m
-
8
SCSI-2
3 m
25 m
-
8
Wide SCSI-2
3 m
25 m
-
16
Ultra SCSI-2
1.5 m
25 m
-
8
Ultra SCSI-2
3m
-
-
4
Ultra Wide SCSI-2
-
25 m
-
16
Ultra Wide SCSI-2
1.5 m
-
-
8
Ultra Wide SCSI-2
3 m
-
-
4
Ultra2 Wide SCSI
(LVD)
-
-
12 m
16
Summary of Contents for AcerAltos 3102RS
Page 1: ...AcerAltos 3102RS AcerAltos 3102RS Ultra SCSI to Ultra SCSI RAID Controller User s Guide ...
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Page 55: ...Chapter 3 Functional Descriptions 37 Drive E now has a capacity just under 1800MB ...
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Page 64: ...User s Guide 46 Insert RAID Controller Main Board Daughter Board Insert ...
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Page 296: ...User s Guide G 2 ...