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8. Using the UPS monitoring software
and contact signal I/O
* If you do not use the UPS monitoring software and contact signal I/O, this step is
not required.
8-1 RS232C • Contact signal I/O
The RS232C/Contact Signal Connector I/O at the rear of the UPS provides both the function to
communicate with the UPS monitoring software and the contact signal I/O function. There is no
option that you need to purchase separately.
Frot view
Screw diameter: inch screw #4-40 UNC
8-2 When performing the auto shutdown
processing by the UPS monitoring software
The preinstalled UPS monitoring software allows you to save files automatically and perform shutdown processing
of your PC when a power failure occurs. However, the time between the occurrence of a power failure and the
completion of the shutdown of your PC must be within the backup time measured in "5-1 Measuring method of
the backup time" on page 32. For further information on the explanation and operation, refer to either the UPS
monitoring software instruction manual or the online help about the UPS monitoring software.
Scheduled operating mode using the UPS monitoring software
● When making the settings of the scheduled operating mode, which turns off the UPS and opens the
circuit breaker to shut off commercial power at the same time, you must set the starting time shorter than
90 days after the commencement of this scheduled operating mode.
If you make the settings of the scheduled operating mode longer than 90 days, the internal timer is forced
to reset and the scheduled operation become disable.
Notice that a dead battery gives you only about half of the setting time; approximately 45 days.
If you make the setting of the scheduled operating mode longer than 90 days, you can press the Start
switch and get the UPS running, however, in case where the battery is dead, you may not be able to get
your UPS running again. When you are unable to get your UPS running, replace the battery according to
"6-2 Replacing the battery" on page 33.
How to get your UPS running where it is set in scheduled operating mode through
the UPS monitoring software
● When you want to get your UPS running by pressing the Start switch under circumstances where your
USP is dead as it is set in the scheduled operating mode, just press the Start switch for at least 0.5
second and your UPS enters into the usual service conditions after 15 seconds.
When you want to make a stop of your UPS, just press the Stop switch for at least 2 seconds.
Pin configuration
DSUB 9P female
5 4 3 2 1
9 8 7 6
Explanation
8. Using the UPS monitoring software and contact signal I/O
Pin number
RS232C signal name
1
T X D
2
R X D
3
P n P
4
GND
5
P n P
6
P n P
7
8
RING
9
43
Contact signal name
BL
BS
GND
BU
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