Digisol DG-HR3400 User Manual page 14

 Connect one end of a network cable to the WAN port of the router and the
other end to the DSL/Cable modem. Click 'Next' to continue.
 Connect one end of the provided network cable to one of the LAN ports (1~4)
of the router and the other end to your computer. Click 'Next' to continue
with the installation.
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DG-HR3400 User Manual