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6.4 SCSI Stub Lengths
The SCSI interface resides on the Host Interface Module (HIM). Quantum
provides two versions, namely:
LVD (50-84004-01)
•
HVD (50-84008-01)
•
The longest recorded stub lengths on the latest version of each style of PCB are
listed in
Table
Table 6-2. SCSI Interface Stub Lengths
Board
LVD
HVD
6.5 SCSI Cable Length
This section lists the recommended SCSI cable lengths for optimum drive
performance; cable lengths are:
25 meters for Differential Ended Transmission Mode (LVD)
•
6 meters for Single-Ended Transmission Mode (HVD)
•
For optimum drive performance, limit the cables to a length of 6 meters (in all
cases).
6-2.
Stub Length
1.543 inches
1.853 inches
CHAPTER 6: SCSI and Controller Interface Specification
Signal Name
From
SCSI_SEL_H
E1-70
SCSI_DBP0_L
E7-38
To
J4-27
J4-49
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