System Description
3.3.1.1
3.3.1.1
Functions of the External Control Unit
On / Off Button
The On / Off button switches the system on and off.
The start-up/ shutdown of the system may take a few seconds. A possibly still running transaction (e.g.
payment to a customer) is completed before the system is completely shut down.
Table 3-2:
Functions of the On/Off button
Action
Description
Push-button operation
(with On/Off Led switched on)
System shuts down in a controlled way
Push-button operation
(with On/Off Led switched off)
System starts
Push-button operation
(longer than 5 seconds)
Forced shutdown
(system shuts down uncontrolled)
Service button
The Service button is used to call the product-specific software (T/SOP) of the system. Use T/SOP to
perform system and module maintenance procedures.
Main voltage LED
The main voltage LED indicates the operating status of the UPS.
•
If the LED is green, the system is operated via the normal mains supply.
•
If the LED lights up yellow, UPS operation is active.
Battery Status Indicator
The battery status indicator consists of two LEDs, which can indicate different battery statuses (see
).
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