28 NETLink
®
Ethernet Products
behind a router/switch, these can also be addressed with a port
addressing (PAT) adapted here.
The router/switches used must be appropriately configured for
this by the responsible network administrator, so that all TCP/IP
packages addressed to the router/switch via a pre-defined port are
forwarded by this to the NETLink® located behind it.
When the NETLink
®
is connected in the local network (LAN) or is
not located behind a router/switch, the Internet teleservice' option
must be deactivated.
Internet tele servicing to networks outside of the LAN should al-
ways be realized through secured and encoded procedures, such
as VPN! To this purpose, the Helmholz GmbH offers appropriate
router hardware.
‘OK’ stores this station, which can now be used.
It is easier to search for an existing NETLink
®
device in the local
area network. Just click the ‘Search NETLink PRO Family…’ button.
If you now select the required NETLink
®
Gateway and click the
‘Close + Get’ button, the following dialog box will appear again:
This station can also be saved with ‘OK’ and is then available.
If NAT/PAT is used, a port
can be defined if ‘Internet
teleservice’ is selected.
For the search function of
the NETLink® devices, the
UDP ports 25342 and
25343 may not be blocked
by a firewall.
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