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Galaxy RAID GALHDX-7370S-8+12U4D Installation and Hardware Reference Manual
Figure 4- 1: SCSI Connectors on the Controller Rear Panel
4.1.3 SCSI Termination
SCSI termination requires that the last device on the SCSI bus is terminated. If the
last device is not terminated, or if devices other than the last are terminated, erratic
SCSI bus performance may occur.
The RAID controller comes with built-in auto-sense terminators. You do not have to
install an external terminator when the subsystem acts as the last device in the daisy-
chain configuration. However, you will need to "disable" the firmware setting for the
on-board terminator using the LCD keypad panel, RS-232C terminal session, or
RAIDWatch management software if the "IN" and "OUT" ports are separately
connected to servers and/or a cascaded enclosure. (The firmware default for channel
termination is set to "enabled.")
See the diagrams below for correct configurations and the configurations that may
cause problems:
SCSI Connection Overview
4-2
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