H3C MSR900-E Series Installation Manual

Also see for MSR900-E Routers: Installation guide Installation, quick start

2Table 3 Harmful gas concentration limitsGas Max. (mg/m 3 )SO2 0.2H2 S 0.006NH3 0.05Cl2 0.01Cooling systemTo ensure good ventilation, the installation site must meet the following requirements:• A minimum clearance of 10 cm (3.94 in) is reserved at the inlet and outlet air vents.• The site has an adequate cooling system.ESD preventionCAUTION:Make sure the resistance reading between human body and the ground is in the range of 1 to 10megohms (Mohms).To prevent the electronic components from being damaged by ESD, follow these guidelines:• Make sure the router and the floor are reliably grounded.• Take dust-proof measures for the equipment room.• Always wear an ESD wrist strap when touching a circuit board.To attach an ESD wrist strap:1. Wear the wrist strap on your wrist.No wrist strap is supplied with the router. Prepare it yourself.2. Lock the wrist strap tight around your wrist to keep good contact with the skin.3. Secure the wrist strap lock and the alligator clip lock together.4. Attach the alligator clip to the grounding terminal on the device.EMIEMI from any source adversely affects the router.To prevent EMI, use the following guidelines:• Use electromagnetic shielding when necessary.• Take measures against interference from the power grid.• Do not use the router together with the grounding or lightning-prevention equipment of powerequipment, and keep the router far away from them.• Keep the router far away from radio transmitting stations, radar stations, and high-frequencydevices.