Siemens SINAUT MD741-1 System Manual page 40

Local interface
The factory settings for the SINAUT MD741-1 are as follows:
IP
Netmask 255.255.255.0
These factory-set IP addresses and netmasks can be changed freely, but should
follow the applicable recommendations (RFC 1918).
Local
application
Figure 4-2
You can define additional addresses at which the SINAUT MD741-1 can be
reached by local applications. This is useful, for example, when the local network is
subdivided into subnetworks. Then multiple local applications from different
subnetworks can reach the SINAUT MD741-1 under various addresses.
New
Adds additional IP addresses and netmasks, which you can then modify in turn.
Delete
Removes the respective IP address and netmask. The first entry cannot be
deleted.
40
192.168.1.1
Local
application
Local IP
netmask
Admin PC
Local interface
Local
application
MD741-1
and
SINAUT MD741-1
C79000- G8976-C212