Technical data

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CHAPTER 5: SCSI Switch Control: Online
• Switch Without Holdoff: The SCSI Switches are equipped with a safety feature
(Holdoff) that does not allow the changing of the port settings if bus activity is
active on the port being changed. There is a delay that can be set up to 25.5
seconds where the bus must be idle for the delay time before settings will
become active. By selecting Switch Without Holdoff, this safety feature is
disabled and changes to port settings are immediate, regardless if activity is
present on the bus. The following screen will appear if this option is selected as
a warning:
Figure 5-2. Switch Without Holdoff screen.
• Port Busy Indicator: Indicates when activity is happening on the SCSI bus on a
particular port. Any time data is transferred across a port, the corresponding
indicator will turn on. Typically, this light will flicker as activity moves across
the bus. This is a normal indication of activity.