PIN (Personal Indentification Number),D-LinkRouter/AP using method:
Step 1: Log into the D-Linkrouter and click on the Advanced tab.
Step 2: Click on the WIFI-Protected SetuP on the left.
Step 3: Click on Add Wireless Device Wizard located at the bottom of the screen.
Step 4: Select Auto on the configuration method. Click next.
Step 5: Select PIN and enter the PIN generated by the WPS capable Wireless client. Click on connect.
Step 6: Start WPS on the wireless client device you are adding to your wireless network. The timer will be set at this time as the router tries to connect to the wireless client.
A message will display indicating that the wireless device was successfully added as shown below