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2-2. Setup the UPS
Step 1: UPS input connection
Plug the UPS into a two-pole, three-wire, grounded receptacle only. Avoid using extension
cords. The power cord is attached to the UPS. The input plug is a NEMA 5-15P.
Step 2: UPS output connection
There are two kinds of output receptacles: programmable outlets and general outlet. Please
connect non-critical devices to the programmable outlets and critical devices to the general
outlets. During power failure, you may extend the backup time to critical devices by setting
shorter backup time for non-critical devices.
Step 3: Communication connection
Communication port:
USB port
RS-232 port
Dry contact
Intelligent slot
To allow for unattended UPS shutdown/start-up and status monitoring, connect the
communication cable one end to the USB/RS-232 port and the other to the communication port
of your PC. With the monitoring software installed, you can schedule UPS shutdown/start-up and
monitor UPS status through PC.
The pin assignment for dry contact is listed as below:
Condition
Pin status
Yes
No
Low battery.
Pin 3 and Pin 9 are connected. Pin 3 and Pin 1 are connected.
Output is abnormal.
Pin 7 and Pin 8 are connected. Pin 7 and Pin 5 are connected.
Battery mode.
Pin 2 and Pin 6 are connected. Pin 2 and Pin 4 are connected.
The UPS is equipped with intelligent slot perfect for SNMP card. When installing with SNMP card
in the UPS, it will provide advanced communication and monitoring options.
