Technical data

18
CONTROL SOFTWARE FOR SCSI EXTENDER AND SWITCHES
Device Product Code: The product code (model number) of the device is
shown below the Black Box logo.
Bus Mode: Indicates the mode of operation (interface type) that the SCSI
Switch is using: HVD, LVD, or SE.
Smart Switching: This feature is optional and keeps the switch settings from
accidentally creating a “Y” on the SCSI bus. This forces each SCSI channel to
be isolated. As changes made are made to the port settings, other ports will be
turned on or off as needed to keep the proper isolation of the bus. This is also
true for terminator settings. If selected, any port that is turned off will
automatically be properly terminated. Any port that is turned on and has
termination set will automatically have termination removed.
Port Assignments: The active port connections through the switch. By clicking
on the lights, ports are either turned on or off.
Terminators: Defines the active termination on each port. By clicking the
lights, termination is either turned on or off.
IMPORTANT!
(+) and (-) indicators in the Port Assignments and Terminators sections:
If Holdoff has been set on the switch and activity is occurring that
affects the ability to change the port, a plus sign (+) or minus sign (-) will
appear instead of the light being on or off. This indicates the port has
been requested to change to either on (+) or off (-) but is being “held
off” by SCSI activity. As soon as the holdoff time has expired without
activity on the bus, the indicators will automatically set the port to on
(light on) or off (light off).
SCSI Busy Indicator: Indicates when there is activity on the SCSI bus across
any port. Any time data is transferred across any active port, this indicator will
turn on. Typically, this light will flicker as activity moves across the bus. This is
a normal indication of activity. This indicator cannot be modified using the
control software.
Alarm Indicator: When lit, indicates an alarm status on the unit. Alarm status
can be triggered if either the temperature has exceeded the set threshold on
the unit or a power supply has failed.