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Configuring Share-UPS
continued
Until Low
Battery
shutdown mode
Until Low Battery shutdown mode is similar to the standard
operation of the
UPS
. During a utility failure, Share-UPS
allows the
UPS
to run on battery until utility power is
restored, or until the battery is exhausted. If Share-UPS
detects a
UPS
Low Battery condition, it sends a Low Bat-
tery signal on all ports for a period of time equal to the Low
Battery Signal Time and then shuts down the
UPS
.
If utility power returns after the Low Battery timer has
begun, Share-UPS will continue the countdown and force
the UPS to cycle power.
This mode is useful for applications which require maxi-
mum run time from the UPS.
Timer shutdown
mode
In Timer shutdown mode, Share-UPS allows the UPS to
operate on battery for a user-specified length of time before
shutting down the
UPS
. See “DIP switches: Table 5” on
page 23 for the available timer settings.
If power returns before the timer has run out, Share-UPS
returns to On Line status. When the timer runs out or when
Share-UPS detects a Low Battery condition in the
UPS
,
Share-UPS sends a Low Battery signal for a period of time
equal to the Low battery signal time and then shuts down
the
UPS
.
Note
: If you are using PowerChute software, set the shut-
down delay for a time longer than Share-UPS timer
setting. Otherwise, if the power returns after the
server shuts down, the server may not restart. To set
the shutdown delay, go to
Configuration
|
Event
Actions
and select UPS On Battery from the Event
list and Shut Down Server in the Action box. Click
Options
and enter a setting for Begin Shutdown
Sequence in __ Seconds. Click
OK
.
Continued on next page