H3C AR 18-2 Series Installation Manual

Installation ManualH3C AR 18-2X Series Routers Chapter 2 Installing the Router2-2socket, making sure that the neutral point is well connectedto building ground.z Make sure the correct voltage is used.z Put a lightning arrester at the front end of the power input toenhance its lightning protection. To this end, put a speciallightning arrester at the front end of signal cables that are ledoutdoors, such as ISDN, telephone, and T1 cables.z Do not open the chassis when the router is operating orwhen electricity hazards are present to avoid electricalshocks. Before you open the chassis, obtain the permissionof your sales agent.z Correctly connect the interface cables. Do not connect atelephone cable (including the ISDN cable) to a serial port.z Do not hot swap any cable.2.2 Installing the RouterYou can place your router on a sturdy tabletop or workbench,mount it on a vertical surface, or install it on a rack.2.2.1 Placing the Router on a Tabletop/WorkbenchWhen placing the router on a tabletop or workbench,z Make sure that the tabletop or workbench is clean, flat, andsturdy.z Allow 10 cm (3.9 in.) of clearance around the sides of thechassis.z Do not stack multiple routers together.