Contemporary Controls CTRLink EIAR-10T User Manual page 23

Configuration
The basic network settings are already entered here. To add a second
IP address to your network card, click on "Add" in the upper field "IP
addresses" and type 192.168.1.120 for the IP address and
255.255.255.0 for the subnet mask. Then click on OK; the result should
look as follows:
The computer you have just configured can now be seen both in the
network 192.168.101.0 and in the network 192.168.1.0. It is therefore
not necessary to restart Windows 2000.
Now call a browser and type the following address: 192.168.1.100
Thereafter, you will be prompted to enter your user name and your
password (default: user: admin, pass: ctr).
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