D-Link DWL-3600AP manual Insert access point into mounting ring

6.To attach the access point to the mounting ring, first locate the right side of the access point that has a small lock symbol on it, and make sure to line up this side with the side of the mounting ring that has Open - Close written on it.

Figure 5. Insert access point into mounting ring

7.Twist counter-clockwise to lock the access point onto the ring. The lock symbol on the access point must point directly to the Close text on the mounting ring.

D-Link DWL-3600AP Quick Install Guide  7