ITG-100-AL Embedded SystemPage 15 Qualified Personnel: The ITG-100-AL must be installed and operated onlyby trained and qualified personnel. Maintenance, upgrades, or repairs mayonly be carried out by qualified personnel who are familiar with the associateddangers. Air Circulation: Make sure there is sufficient air circulation when installing theITG-100-AL. The ITG-100-AL’s cooling vents must not be obstructed by anyobjects. Blocking the vents can cause overheating of the ITG-100-AL. Leaveat least 5 cm of clearance around the ITG-100-AL to prevent overheating. Grounding: The ITG-100-AL should be properly grounded. The voltage feedsmust not be overloaded. Adjust the cabling and provide external overchargeprotection per the electrical values indicated on the label attached to the backof the ITG-100-AL.3.3 Installation and Configuration Steps3.3.1 Hard Disk Drive (HDD) Installation (ITG-100-AL-E1 only)WARNING:The optional USB 2.0 cable cannot be used at the layer where the HDDdrive bay is located.To install the hard drive, please follow the steps below:Step 1: Remove the bottom panel by removing the two retention screws from the bottompanel (Figure 3-1).