4 Dell PowerConnect W-AP120 Series AP | Installation GuideInstalling the APUsing the Integrated Wall-Mounting SlotsThe keyhole-shaped slots on the back of the AP can be used to attach the device upright to an indoor wall or shelf.When you choose the mounting location, allow additional space at the right of the unit for cables.1. At the mounting location, install two screw on the wall or shelf, 1 7/8 inches (4.7 cm) apart. If you areattaching the device to drywall, Dell recommends using appropriate wall anchors (not included).2. Align the mounting slots on the rear of the AP over the screws and slide the unit into place (see Figure 2).Figure 2 Installing the W-AP120 Series Access Point on a Wall3. On the W-AP121 or W-AP125, orient the antennas. For best performance, swivel the antennas so that theyare oriented vertically, preferably in the same plane, parallel to the wall (see Figure 3).Figure 3 Antenna Orientation on a Wall-Mounted W-AP121/W-AP125On the W-AP120 or W-AP124, install the external antennas according to the manufacturer’s instructions,and connect the antennas to the antenna interfaces on the AP (see Figure 4).Caution: Installation and service of Dell Networks products should be performed by Professional Installers. Additional antennaand transmit power information for Professional Installers can be found at https://support.dell.com.Note: For product dimensions, see Product Specifications in this guide. Allow 2 inches (5 cm) of additional space at the right sideof the installed unit for cables, and make sure enough space is available for antenna articulation.