29
NCR 4072 UPS Site Preparation, Installation, and Operation Manual
S
05147374 Rev C
Uncontrolled Copy
Chapter 5
Additional UPS Features
This section describes:
쑺
Changing the voltage configuration
쑺
Using the USB or DB-9 communication port
쑺
The Network Transient Protector
Voltage Configuration
The DIP switches on the rear panel of each unit (see Figure 18) are used
to configure the output voltage and input voltage range.
1.
The UPS must be completely shutdown.
To turn off the UPS, press and hold the
button for two
seconds and then unplug the UPS from the power outlet.
2.
Set the DIP switches according to the configurations in Table 1.
3.
Plug the UPS power cord into a power outlet.
4.
Press and hold the
button until you hear the UPS beep
(approximately two seconds) to turn the UPS on.
UPS Rear Panel
ON
OFF
2 1
Figure 18. DIP Switches