Monoprice PID 8743 Wireless N ADSL2 Modem and Router 802 11N WPS Function 2T2R 300Mbps - Manual (Page 135)

ADSL2/2+ Router
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Finally, Open the dos window and enter “ping 192.168.1.1”, and press
Enter. If the screen displays the following results, it indicates your
computer has already been connected to the router.
Now the direct link between your computer and the router has been
successfully established, which means you can log on to the router’s
web-based utility.