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2 Cabling Storage Devices and Setting SCSI Addresses
22
Alternate Non-Duplex Configuration
C20
C11
C14
External terminator
built into cable
SCSI A
SCSI C
SCSI B
SCSI D
SCSI Device
Shelf
SCSI Device
Shelf
Hot Swap
Subsystem
Figure 2-6. Alternate Non-Duplex Configuration
In this example, eight devices are connected to one SCSI channel. If the SCSI
controller, NOS or OS are limited to narrow (Fast) SCSI-2 addresses, a
maximum of seven SCSI devices are allowed on a narrow SCSI-2 channel and
this configuration is not supported. This configuration is not supported by the
DAC card.
To change the SCSI addresses, see the “Setting SCSI Addresses” section. For
internal cable part numbers, see the “Cabling Diagram Legend.”