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8
Step 3: Communication connection
Interface ports:
USB port
RS-232 port
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 Commander RT series are equipped with intelligent slot perfect for either SNMP or AS400
card. When installing either SNMP or AS400 card in the UPS, it will provide advanced
communication and monitoring options.
NOTE : USB port and RS-232 port cannot work at the same time.
Step 5: EPO ( Emergency Power OFF ) function
Keep the pin 1 and pin 2 closed for UPS normal operation. To activate EPO function, cut the wire
between pin 1 and pin 2.
Step 6: External battery connection
(for Commander RT 2000 and 3000)
Connect one end of external battery cable to UPS unit and the other end to battery box. Use
supplied battery detection wire in detection port of UPS unit and plug the other end to battery
bank. See below chart for detailed connection.
Models : PSCRT2000,PSCRT3000
PSRTBB8(2K only)/PSRTBB12(3K only)
NOTE:
Maximum connected external battery boxes up to 2 units.
It’s in closed status for UPS
normal operation.
