SMC Networks SMC2555W-AG - Manual (Page 55)

Using the Web-based Management Setup Wizard
4-9
DHCP Client – With DHCP Client enabled, the IP address,
subnet mask and default gateway can be dynamically
assigned to the access point by the network DHCP server.
(Default: Enable)
Note: If there is no DHCP server on your network, then the access
point will automatically start up with its default IP address,
192.168.2.2.
4. Click Finish.
5. Click the OK button to restart the access point.