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en | Subsystem Connection and Operation
5.1.3
SCSI Termination
Correct SCSI termination procedures require that the last device on the SCSI bus be termi-
nated. If the last device is not terminated or if devices other than the last are terminated,
erratic SCSI bus behavior may occur.
An auto-detection, on-board terminator is built into the RAID subsystem. You do not need to
install an external terminator when a subsystem acts as the last device in the daisy chain con-
figuration. The on-board terminator default is enabled. If the subsystem is not the last device
in the daisy chain configuration, the terminator will be automatically disabled. Although it is
not recommended, if you prefer to disable the firmware setting for the on-board terminator
using the LCD keypad panel on the subsystem, RS232C terminal session, or Bosch RAIDWatch
management software, the auto-detection function is also disabled.
Typically, the host computer or host adapter (SCSI card inside the PC) is the first device and
some are already terminated. When installing the RAID subsystem on a SCSI bus with other
devices, be sure to observe the above rules regarding all devices on the SCSI bus. Consult
your host computer and/or host adapter manual for additional information on correct termina-
tion procedures.
NOTICE!
i
It is recommended not to change the firmware default setting for the SCSI terminator so the
auto-detection function can operate.
F.01U.027.799 | V2 | 2008.08
RAID Subsystem DVA-16K | Installation Manual
Bosch Security System
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