Getting Started 112.7 Frame Earth ConnectionIMPORTANT!Connect the frame of the Hybrid IP-PBX to earth.• Proper earthing (connection to earth) is very important to protect the Hybrid IP-PBX fromthe bad effects of external noise or to reduce the risk to the user of electrocution in the caseof lightning strikes.• The earth wire of the AC cable has an effect against the external noise and lightning strikes,but it may not be enough to protect the Hybrid IP-PBX. A permanent connection betweenearth and the earth terminal of the Hybrid IP-PBX must be made.3 Starting the Hybrid IP-PBXCAUTION• SD Memory Card must be inserted in the SD Memory Card slot of the main board beforestart up.• Before touching the System Initialise Switch and the Reset Button, discharge static bytouching ground or wearing an earthing strap.• Once you have started the Hybrid IP-PBX and if you unplug the Hybrid IP-PBX, do notperform the following procedures to start the Hybrid IP-PBX again. Otherwise, yourprogrammed data will be cleared.• The Hybrid IP-PBX will continue to be powered even if the power switch is turned "OFF".• The power supply cord is used as the main disconnect device, ensure that thesocket-outlet is located/installed near the equipment and is easily accessible.1. Loosen the screw.2. Insert an earthing wire (user-supplied)*.3. Tighten the screw.4. Connect the earthing wire to earth.* For earthing wire, green-and-yellowinsulation is required, and the cross-sectional area of the conductor mustbe more than 0.75 mm2 or 18 AWG.ScrewEarthingwireTo earth