General Description2.3. Physical DescriptionThe functional components of the unit are located under the side panel cover. TheLEDs are on the left side of the front panel. The bottom panel has two indentedholes for wall mounting.Figure 2-3: Unit With Cover Removed2.3.1. Side PanelFigure 2-4: Unit Side PanelNo. Connector Function1 Power Supply Connector Connects the unit to the external powersupply2 RS-232 Connector Connects the unit to the PBX or a PC3 2 RJ-11 Sockets Connects the unit to 2 or 4 PBXextensions (VoxBox),Connects the unit to 2 PBX extensions(VoxBox Lite)Voice Mail and Auto Attendant System Installation and Programming Manual 2-9