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RT Models
1. Programmable outlets: connect to non-critical loads.
2. Output receptacles: connect to mission-critical loads.
3. AC input
4. Network/Fax/Modem surge protection
5. USB communication port
6. RS-232 communication port
7. SNMP intelligent slot
8. Emergency power off port (EPO)
9. External battery connection
2-2. Operating principle
The operating principle of the UPS is shownas below
The UPS is composed of mains input, EMI/RFI filters, rectifier/PFC, inverter, battery
charger, DC-to-DC converter,battery, dynamic bypass and UPS output.
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