OPTI-UPS 280ES User Manual page 25

280ES / 420ES / 650ES / 1000ES / 1400ES
Input Voltage
Output Voltage
AC Frequency
Battery Voltage
Change Battery
Percent Load
Temperature
The Enhanced Series also supports software which relies on basic "contact closure
signals" such as the built in UPS Service in Windows NT (you will need to purchase a
special cable for this type of application). The major functions of this type of software
normally include the following:
To broadcast a warning when power fails.
To close any open files before the battery reserves are exhausted.
To turn off the UPS.
Note: You can connect your computer to your UPS without also connecting to the
communication port. In this case, your UPS warns you of a power failure by beeping, but
you have to manually shut down your UPS and computer.
PIN1 Not connected.
PIN2
fails.
PIN3
PIN4
PIN5
inside the UPS has less than 2 minutes backup time left.
PIN6
the UPS until proper input voltage returns. It can operate only if UPS is in
battery mode. This pin is also used as the RS232 receiver pin (RXD).
Indicates the actual input voltage to the UPS when AC
power is present
Indicates the actual output voltage of the UPS
Indicates the actual output frequency of the UPS
Indicates the actual DC voltage of the UPS battery
Indicates that the battery is dead and needs to be replaced
Indicates the percentage of UPS Voltage-Ampere (VA)
capacity being utilized by your equipment
Indicates the actual temperature inside the UPS
Pin Assignments:
UPS simulates a relay closing between pin 2 and pin 4 when input power
Not connected.
Common for pin 2 and pin 5.
UPS simulates a relay closing between pin 5 and pin 4 when the battery
User sends a RS232 high level (5-15V) for 3 secs. This signal will turn off
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