Topfield Digital Cable Receiver Personal Video Recorder TF 600 PVRc - Manual (Page 69)

8.1 Configuring the router 63
8.1.2 To access on the level of the Internet
When you are away from home, you can access the digital
receiver inside your home if your router is configured to route
access to the digital receiver by means of port forwarding. Via
this feature, your router will lead you to the digital receiver
when you access your router with its IP address.
Your router may be assigned to a dynamic IP address by an
Internet service provider. So if the router has rebooted, you
cannot access it unless someone in your home can inform you
of the changed IP address. However, many routers support
Dynamic Domain Name System (DDNS) service, which can
settle this problem.
If you use a DDNS service, you can access your router with
a domain name. The instructions on how to use the DDNS
service are as follows: