TRENDnet TW-H6W1IR - Manual (Page 99)

TW-H6W1IR ISDN Remote Router
Configuration and Management 91
The parameters are described as follows:
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Global IP – this is a single, global IP Address that is valid on the
Internet, or on the same subnet of the global interface.
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Local IP – this is a single, local IP Address that is not valid on the
Internet.
Static NAPT
This screen (below) is how the NAT IP Pool appears, if Static NAPT
was chosen for the Translation Mode parameter. Each entry in this
configuration can be used to map a global address and port to a local
address and port. Notice that the global address will be the external IP
address of the global interface.