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5.0 Additional UPS Features
This section describes:
• Inverter Shutdown
• Network Transient Protector
• Load segments
• Using the communication port or USB port
• Optional SOLA communication cards
5.1 Inverter Shutdown
The Powerware 9120 includes a port that allows the UPS inverter to be switched off.
This feature is designed to be used with Eaton powerware External Maintenance Bypass
Switches. Refer to the instructions provided with the switch for further information.
WARNING
The Inverter Shutdown circuit is an IEC 60950 safety extra low
voltage (SELV) circuit. This circuit must be separated from any
hazardous voltage circuits by reinforced insulation.
Figure 8. Inverter Shutdown Connector
5.2 Network Transient Protector
The Network Transient Protector, shown in “UPS Features” Section 1.0, is located on the rear
panel and has jacks labeled IN and OUT. This feature accommodates a single RJ-45 (10BaseT)
network connector.
Connect the input connector of the equipment you are protecting to the jack labeled IN. Connect
the output connector to the jack labeled OUT.
This connector should not be connected to PSTN telephone lines or equipment.
5.3 Load Segments
Load segments are sets of receptacles that can be controlled by power management software
(such as Software Suite CD), providing an orderly shutdown and startup of your equipment. For
example, during a power outage, you can keep key pieces of equipment running while you turn off
other equipment. This feature allows you to save battery power. See your Software Suite manual
for details.
The individual load segments can also be turned on and off through the front panel (see Section
4.0, Table 1).
Section 1.0 “UPS Features” shows the load segments for all plug/receptacle models.
Pin 1Pin 2Pin 1Pin 2