Draytek VIGOR2820 series, User Manual, Page: 182 / 269

Vigor2820 Series User’s Guide 174
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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.