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CSI SECTION 16611 STATIC UNINTERRUPTIBLE SYSTEM
6. Self-diagnostics, self-test and proactive fault detection;
7. Communication to the host server via serial port;
8. Communication to the Network Interface Card or another SmartSlot accessory
card if equipped.
9. Etc.
B. Display/Control Unit: A display/control comprised of 16 LEDs and 2 pushbutton
switches is located on the front side of the UPS. The display/control unit may be turned
90 degrees clockwise or counterclockwise to accommodate for the way the UPS is
mounted: as a tower UPS or as a rack-mounted UPS.
C. The pushbutton switches located at the Display/Control Unit: The following controls
functions can be accomplished by use of the pushbutton switches located at the
Display/Control Unit:
1. Turn the UPS on;
2. Turn the UPS off;
3. Initiate self-test in order to test battery condition;
4. Silence audible alarm;
5. Cold start.
6. Displaying input RMS voltage on the battery capacity LED bar graph.
D. Bypass switch: On the rear panel of the UPS (models rated 5000VA and higher) there’s
a switch that when engaged forces the UPS into bypass state provided the input voltage
and frequency are within acceptable limits.
E. EPO switch: The UPS is equipped with Emergency Power Off (EPO) terminal which
can be wired so as to provide means to instantaneously de-energize the UPS and its load
from a remote location in case of emergency.
F. Data displayed on the Display/Control Unit: The following indicators are available on
the Display/Control Unit:
1. The UPS load LED bar;
2. The UPS is online;
3. The UPS is on battery;
4. The UPS is in bypass;
5. The UPS is overloaded;
CSI SECTION 16611 STATIC UNINTERRUPTIBLE SYSTEM