Sirona 6543891 D3492, Operating Manual, Page: 7 / 33

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Two LEDs are used to indicate the device’s state. Each LED can have the following
states:
1. Off
2. Slow blinking
3. Fast blinking
4. On
The following table shows potential states for the device:
State Orange Green Comment
Booting Off Off Both LEDs are not yet functional.
Networking Slow Slow Typically only seen when setting up a new
network.
Connecting Off Slow
Disconnected On Slow Should preferably not occur since the network
unit should be connected.
Connected Off On Device is functioning properly.
Transmitting Off Fast Fast blinking for data transfer.
Error Fast Fast Failure in data communication.