HP Workstation xw6000 Adaptec SCSI RAID 2120S: Installation Guide - Page 25

Adaptec SCSI RAID 2120S/2200S Installation Guide, unless both

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Adaptec SCSI RAID 2120S/2200S Installation Guide The following figure shows various SCSI cabling examples, note that all channels are shown as wide only. Internal Wide SCSI T T Internal Wide SCSI T External Wide SCSI T T External Wide SCSI T T = Terminated If using cables with attached mutimode terminators, as in the cable supplied, configure controller termination to auto unless both internal and external connectors are being used on that channel. If narrow devices are being used, attach them using wide to narrow adapters. If SE or other slower devices are being used, keep them on the same channel, along with any narrow devices. Terminate your SCSI devices as shown in the examples, ensuring that the cables are terminated, or the device at the end of a cable is terminated, and the devices in the middle are not terminated. If only one cable is attached, then one end is the controller, which must have its termination set to auto. Note: Each channel being used on a multichannel RAID adapter must be terminated properly for its configuration. 2-6

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2-6
Adaptec SCSI RAID 2120S/2200S Installation Guide
The following figure shows various SCSI cabling examples, note
that all channels are shown as wide only.
Terminate your SCSI devices as shown in the examples, ensuring
that the cables are terminated, or the device at the end of a cable is
terminated, and the devices in the middle are not terminated. If
only one cable is attached, then one end is the controller, which
must have its termination set to
auto
.
Note:
Each channel being used on a multichannel RAID adapter
must be terminated properly for its configuration
.
T = Terminated
Internal
Wide SCSI
T
T
T
External
Wide SCSI
Wide SCSI
Internal
Wide SCSI
External
T
T
T
If using cables with attached mutimode terminators, as in the cable
supplied, configure controller termination to
auto
unless both
internal and external connectors are being used on that channel.
If narrow devices are being used, attach them using wide to narrow
adapters. If SE or other slower devices are being used, keep them
on the same channel, along with any narrow devices.