APC AP9607 Expander allows the UPS to run on battery until utility, Force the UPS to cycle power

Until Low

Until Low Battery shutdown mode is similar to the standard

Battery

operation of the UPS. During a utility failure, the Interface

shutdown mode

Expander allows the UPS to run on battery until utility

power is restored, or until the battery is exhausted. If the

Interface Expander detects a UPS Low Battery condition, it

sends a Low Battery 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, the Interface Expander will continue the countdown

and force the UPS to cycle power.

This mode is useful for applications which require maxi-

mum run time.

Timer shutdown

In Timer shutdown mode, the Interface Expander allows the

mode

UPS to operate on battery for a user-specified length of time

before shutting down the UPS. See “DIP switches: Table 5”

on page 19 for the available timer settings.

If power returns before the timer has run out, the Interface

Expander returns to On Line status. When the timer runs out

or when the Interface Expander detects a Low Battery con-

dition in the UPS, the Interface Expander 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 the Interface

Expander timer setting. Otherwise, if the power

returns after the server shuts down, the server may

not restart. To set the shutdown delay, go to Configu-

rationEvent 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.

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