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Rear Panel
The rear panel has the input and output connectors, computer interface port, and manual settings for the low battery warning level and voltage sensitivity indicator.
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M AD E I N U S A (W ES T K IN GS TON , R I )
S U 1400R M2U
X X01234 56789
Computer Interface Port
Optional power management software and interface kits can be used with this UPS. Use only interface kits supplied or approved by APC. If used, connect the interface cable to the
Use an APC supplied cable to connect to the Computer Interface Port. DO NOT use a standard serial interface cable since it is incompatible with the UPS connector.
TVSS Screw
The UPS features a transient voltage
Voltage Sensitivity
The UPS detects line voltage distortions such as spikes, notches, dips, and swells, as well as distortions caused by operation with inexpensive
To reduce UPS sensitivity, press the Sensitivity button on the rear panel. Use a pointed object such as a pen to press the button. Press it once to set the UPS’s sensitivity to reduced. Press it again to set the sensitivity to low. Press the button a third time to reset normal sensitivity. The Sensitivity can also be changed through software.
normal
reduced
low
Normal: When the UPS is set to normal sensitivity, the LED is brightly lit.
Reduced: When it is set to reduced sensitivity, the LED is dimly lit.
Low: When it is set to low sensitivity, the LED is off.
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