Dell PowerConnect J-8216 Hardware Guide - Page 221
Qualified Personnel Warning for J-EX Series Switches
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Chapter 16: General Safety Information In the event of an electrical hazard or an electrical fire, you should first turn power off to the equipment at the source. Then use a Type C fire extinguisher, which uses noncorrosive fire retardants, to extinguish the fire. Fire Suppression Equipment Type C fire extinguishers, which use noncorrosive fire retardants such as carbon dioxide and Halotron™, are most effective for suppressing electrical fires. Type C fire extinguishers displace oxygen from the point of combustion to eliminate the fire. For extinguishing fire on or around equipment that draws air from the environment for cooling, you should use this type of inert oxygen displacement extinguisher instead of an extinguisher that leaves residues on equipment. Do not use multipurpose Type ABC chemical fire extinguishers (dry chemical fire extinguishers). The primary ingredient in these fire extinguishers is monoammonium phosphate, which is very sticky and difficult to clean. In addition, in the presence of minute amounts of moisture, monoammonium phosphate can become highly corrosive and corrodes most metals. Any equipment in a room in which a chemical fire extinguisher has been discharged is subject to premature failure and unreliable operation. The equipment is considered to be irreparably damaged. NOTE: To keep warranties effective, do not use a dry chemical fire extinguisher to control a fire at or near a switch running Junos OS. If a dry chemical fire extinguisher is used, the unit is no longer eligible for coverage under a service agreement. We recommend that you dispose of any irreparably damaged equipment in an environmentally responsible manner. Related • General Safety Guidelines and Warnings for J-EX Series Switches on page 201 Documentation • General Electrical Safety Guidelines and Warnings for J-EX Series Switches on page 229 • In Case of Electrical Accident: Action to Take on a J-EX Series Switch on page 235 Qualified Personnel Warning for J-EX Series Switches WARNING: Only trained and qualified personnel should install or replace the J-EX Series switch. Waarschuwing Installatie en reparaties mogen uitsluitend door getraind en bevoegd personeel uitgevoerd worden. Varoitus Ainoastaan koulutettu ja pätevä henkilökunta saa asentaa tai vaihtaa tämän laitteen. 205