3Com 3C13640 Installation Manual

Also see for 3040: Release note Command reference guide Supplementary guide Configuration guide Manual

3Com 3C13640 Installation Manual Manual pdf 14 page image

3Com Router 3000 ADSL2+ FamilyInstallation Guide 2. Installing the Router2-1Chapter 2 Installing the Router2.1 Safety PrecautionsCaution:Observe the safety precautions in this section when installing or maintaining your router to avoid bodily injuries or deviceimpairment caused by improper actions.z Maintain an indoor temperature in the range 0 to 45 C (32 to 113 F) and a humidity levelin the range 10 to 90%.z Keep the router away from radio transmitting stations, radar stations, and high-frequencydevices. Use electromagnetic shielding if necessary.z Do not put the router on an unstable table or platform.z Make sure that the rack/workbench has a good ventilation system and is properlygrounded.z Wear an ESD-preventive wrist strap during installation, making sure that it has goodskin-contact.z Reserve adequate clearance at the air intake and exhaust vents for ventilation.z For power supply, use a single-phase three-line power socket with a neutral point or usea universal PC power socket, making sure that the neutral point is well connected tobuilding ground.z Make sure the correct voltage is used.z Put a lightning arrester at the front end of the power input to enhance its lightningprotection. To this end, put a special lightning arrester at the front end of signal cablesthat are led outdoors, such as ISDN, telephone, and T1 cables.z Do not open the chassis when the router is operating or when electricity hazards arepresent to avoid electrical shocks. Before you open the chassis, obtain the permission ofyour sales agent.z Correctly connect the interface cables. Do not connect a telephone cable (including theISDN cable) to a serial port.z Do not hot swap any cable.