1st step turn off cable modem by unplugging power, turn off router.
2nd step make sure your cable modem is connected via a ethernet lead to the WAN port on the router.
3rd step turn on the cable modem and leave for 1 min.
4th step turn on the router.
5th step disable any firewalls on your pc.
6th step reboot your pc.
7th step connect your pc to the router with ethernet cable.
8th step open internet explorer and go to
http://192.168.2.1
9th select cable or dsl modem, leave host name and mac empty and press finish.
10th step . all done. hopefully , rep me
This router will work and is correct for use on ntls network I have just read the manual for it
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for anyone following the pdf of the userguide for his router is
here