Allied Telesis AT-WA1004G - Manual (Page 52)

PC Configuration
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2. Click the Properties button to see a screen like the one below.
Figure 14 Windows NT 4.0 - IP Address
3. Select the network card for your LAN.
4. Select the appropriate radio button - Obtain an IP address from a
DHCP Server or Specify an IP Address, as explained below.
Obtain an IP address from a DHCP Server
This is the default Windows setting. Using this is recommended. By
default, the Wireless Router will act as a DHCP Server.
Restart your PC to ensure it obtains an IP Address from the Wireless
Router.