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15
4.
Web access and security requirements
Web access to REF 542plus has to be protected with IPSec authentication (IP
level), if the substation is connected to a company
’
s intranet. In this case, a
gateway which provides the IPSec feature to be installed is recommended, as
shown in Fig. 4.-1.
A051276
Fig. 4.-1
Example of a connection to an enterprise network
It assures that only certified clients, that is Web browsers, can access the IP
address of REF. That is,
“
pinging
”
to the IP address is in this case not
possible.
1MRS755865
Multifunctional Protection and Switchbay
Control Unit
Installation Manual for Web Interface
Installation manual
REF 542plus