ETA Systems 420VA Guide De L'utilisateur page 100

ETA Systems ® - SECURITY ONE UNINTERRUPTIBLE POWER MANAGER
EMI/RFI Isolation
Voltage Manager™
Noise Filter Transformer
Battery Charger Microprocessor
Transfer Switch
Battery DC to AC Inverter
Dotted lines indicate a microprocessor
controlled UPM function.
Figure 1 – Basic Operation of
Security One UPM
98