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ST43401N/ND, ST43402ND User’s Manual, Rev. B 17
Grounding requirements
A safety ground must be provided by the site AC power system. The green
wire (or green wire with yellow stripe) in the AC power cord provides the safety
ground connection between the power supply and the site AC power system.
The site AC power system must provide the safety ground to earth ground
connection.
All site AC power connection points, including convenience outlets for test
equipment, must be maintained at the same safety ground potential.
Interface requirements
An important part of site preparation is planning the layout and routing of I/O
cables. All drives and other SCSI devices are connected together and to
the host with an I/O cable. The SCSI bus can have up to 16 devices attached
to it as shown in Figure 7. The I/O cabling scheme used is called a daisy chain.
Each end of the SCSI bus must be terminated.
Figure 7. SCSI bus configuration
SCSI
Device
0
SCSI
Device
1
SCSI
Device
2
SCSI
Device
3
Term
SCSI
Device
15
SCSI
Device
14
SCSI
Device
13
SCSI
Device
12
Term