ECN-581A-QM57 Multimedia BoxPage 123.1 Installation PrecautionsDuring installation, be aware of the precautions below: Read the user manual: The user manual provides a complete description ofthe ECN-581A-QM57, installation instructions and configuration options. DANGER! Disconnect Power: Power to the ECN-581A-QM57 must bedisconnected during the installation process, or before any attempt is made toaccess the rear panel. Electric shock and personal injury might occur if therear panel of the ECN-581A-QM57 is opened while the power cord is stillconnected to an electrical outlet. Qualified Personnel: The ECN-581A-QM57 must be installed and operatedonly by trained and qualified personnel. Maintenance, upgrades, or repairsmay only be carried out by qualified personnel who are familiar with theassociated dangers. Grounding: The ECN-581A-QM57 should be properly grounded. The voltagefeeds must not be overloaded. Adjust the cabling and provide externalovercharge protection per the electrical values indicated on the label attachedto the back of the ECN-581A-QM57.3.2 Hard Disk Drive (HDD) InstallationTo install the hard drive, please follow the steps below:Step 1: Remove the top and front panels by removing four retention screws from the toppanel, one from the right side, two from the bottom panel and four from the leftside panel as shown in Figure 3-1.
