The interfaces are mutually exclusive. There is no i provision for simultaneous operation of RS232

and USB.

5.7Operation

Once you have connected the UPS to a suitable mains connection, you can start operation using the UPS main switch.

Switching ON and OFF:

￿To switch on, press the main switch on the front of the UPS (chapter 4.3 / no. 1 / pg.19). You must be able to feel this engage in its 2nd position.

￿Press the main switch again to switch off the UPS.

Normally, the UPS operates continuously. The UPS now supplies the output with voltage, this being signalled by the green “Normal” EDL which lights up permanently (chapter 4.3

/ no. 2 / pg. 19).

5.7.1Normal Operation

During normal operation, i.e. when mains voltage is available, the built-in battery charger keeps the battery fully charged and the mains voltage monitoring system switches the inverter to standby mode.

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