4 ABOUT THIS GUIDEAdditional Safety InformationSee also the Important Safety Information at the front of this guide.n When using the unit, observe the following safety information:n Retain this user’s guide for later use and pass it on in the event ofchange of ownership of the unit.n Protect the unit from sudden, transient increases and decreases inelectrical power by fitting an in-line surge suppressor oruninterruptable power supply.n Products manufactured by us are safe and without risk provided theyare installed, used and maintained in good working order inaccordance with our instructions and recommendations.n If any of the following conditions occur, isolate the electricity supplyand refer to your 3Com reseller.n If the case or cover is not correctly fitted.n If the case is damaged.n If the unit begins to make an odd noise, smell or smoke.n If the unit shows signs of a distinct change in performance.n Never install telephone wires during a lightening storm, or installtelephone connection sockets in wet locations, unless the socket isspecifically designed for wet locations.n Do not touch uninstalled telephone wires or terminals unless thetelephone line has been disconnected at the network interface. Alwaysexercise caution when installing or modifying telephone lines.n Do not use a telephone, which is connected to the unit, to report a gasleak in the vicinity of the leak.n Do not spill food or liquids on the unit. If the unit gets wet, isolate theelectrical supply and contact your 3Com reseller.n Do not push any objects into the openings of the unit. Doing so cancause fire or electric shock by shorting out internal components.
