User`s guide

Vigor2820 Series User’s Guide
187
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Vigor2820VSn allows users to switch the function of ISDN2 port between TE or S0 mode.
Please use the drop down list to choose the one you want.
If you choose ISDN2-S0, please refer to Detailed Settings for Phone1, Phone2, ISDN1-S0 for
the configuration. However, if you choose ISDN-TE and click the number link for that port,
you will see the following page.