Vigor2820 Series User’s Guide
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Before you use the Vigor router, please get acquainted with the LED indicators and
connectors first.
The displays of LED indicators and connectors for the routers are different slightly. The
following sections will introduce them respectively. If the model of router you have does not
support ISDN and/or VoIP function, simply ignore the relational description.
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Below shows the names that displayed on front panel of the device and the WEB UI of this
device.
ISDN TE (Terminal Equipment) means an interface for transmitting analog signal through
Internet between Switching and router. Such interface is also named with ISDN S0 extern in
Germany.
ISDN NT (Network Terminator) is a port that used to connect general phone. Such interface
is also named with ISDN S0 intern in Germany.
The Phone S0 port is fixed to connect phone forever and the LED on the connecter will light
orange always. However ISDN/Phone S0 port on this device is configurable for connecting
phone or accessing Internet according to the settings that you adjust on WEB UI (please refer
to VoIP>>Phone Setting for detailed information).
Warning: When the orange LED lights (means ISDN NT mode), the ISDN
port can be used to connect phone only. Wrong ISDN connection might cause
severe damage on your device.
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