User`s guide

3.3 Power Configurations
Table 3–2 lists the power configurations for the SW300 enclosure.
Table 3–2 Power Configurations
Power Cords
Input
1
Black
2
White
3
Single AC Input Assembly (Power Supply Bus A)
Basic (SBB shelf power supplies in Slot A of each
shelf)
4
1 4 0
Redundant (n+1) (SBB shelf power supplies in Slot
A of each shelf and Slot B, top shelf)
4
1 5 0
Dual AC Power Entry Controller (Power Supply Buses A and B)
SBB shelf power supplies in Slots A and B of each
shelf
4
2 4 4
1
From the wall outlet to the SW300.
2
Black ac power cords are connected to the ac power entry controller A.
3
Grey ac power cords are connected to the ac power entry controller B.
4
Each SBB shelf power supply requires a separate ac power cord.
3.4 SW300 SCSI Buses
The six single-ended SCSI–2 buses run vertically and attach to four devices per
SCSI bus (IDs 0 through 3). The two HS array controllers device side, SCSI
initiator IDs are preset by slot location to IDs 6 and 7, as shown in Figure 3–1.
3–2 Configuration Rules and Restrictions