APC Back-UPS 1250 User Manual download pdf (Page 26)

Page 24

5.0 Operation

5.7 Extended capabilities - continued

● Output voltage, internal temperature, battery voltage, battery capacity - The UPS

continuously monitors the rms output voltage, internal temperature in degrees Celsius,

battery voltage, and the remaining battery capacity as a percentage of the fully charged

condition. This information is valuable for troubleshooting purposes.

5.7.3 Power management

● Shut down - While operating on-battery, the UPS may be directed to shut down

following a user set delay. Controlled shut down of the UPS conserves battery capacity

and extends battery life because the UPS is not allowed to run until all battery capacity

is exhausted.

● Shut down with delayed restart - The UPS may be directed to shut down in any mode

following a user set delay, then restart after another user set delay. The restart delay may

be used to stagger power up multiple network servers protected by multiple UPSs.

● Simulate power failure - The UPS may be directed to simulate a power failure by

briefly operating on-battery. This function is useful for test purposes.

● Turn off - The UPS may be directed to turn off immediately or following a user settable

delay.

5.7.4 Operation customizing

Alteration of many UPS operations is possible to suit specific applications. In order to

use the customizing features of the UPS, all Option switches must be set to the on ( I )

position. Functionality of the option switches is not lost as all such functions are

duplicated by the UPS monitoring software. Once any of the Option switches are

returned to the off position, functionality governed by the position of all Option

switches is also restored.

● Battery test operation - The battery test can be customized to automatically run upon

startup, upon startup and once every 7 days thereafter, upon startup and once every 14

days thereafter, or never. The UPS’s battery test operation default setting is upon start

and every 14 days thereafter.

● Transfer voltage - The UPS’s upper and lower transfer voltages can be customized

over a wide range. Default settings are given in section 9.0.

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APC Back-UPS 1250 User Manual Page 26