Installation - NEC 500 UPS User Manual

100 vac
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2) Rear View
Computer Interface Port
Power management software and interface kits can be used with this UPS. Use only kits supplied or approved by the
manufacturer. If used, connect the interface cable to the 9-pin computer interface port on the back panel of the UPS. Secure the
connector's screws to complete the connection.
Ground Leads to TVSS Connector
The UPS features a convenient screw for connecting the ground lead on "transient voltage surge-suppression" (TVSS) devices
such as telephone and network line protectors. The TVSS connector provides grounding through the UPS's power cord ground
conductor. To make a connection to the TVSS connector, loosen the screw and connect the surge suppression device's ground
lead. Tighten the screw to secure the lead.

6. Installation

1.
Install the UPS
Plug the power cord into the UPS and into the AC voltage.
2.
Connect the Equipment
Do not power laser printers through the UPS.
Use your equipment's power cords to connect to the UPS.
Turn on all connected equipment.
3.
Charge the battery
The UPS charges its battery whenever it is connected to utility power. The battery will charge fully
during the first 4 hours of normal operation. Do not expect full runtime during this initial charge
period.
4.
Connect the Computer Interface Port
5.
Connect the Ground Leads to the TVSS Connector (Optional)
6.
Power the Equipment
With the UPS plugged in, press and release the large upper on/test button to supply power to the
equipment plugged into the switched outlets.
Note: The UPS will not power up initially unless the AC voltage is in the normal operating range.
500 VA
6

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