3com 5000 Manual Suplementario

3Com Router Safety, Regulatory, and Compliance Information 

21 

Read the following guidelines to avoid laser radiation: 

„

  Read the relevant instructions before installation, operation and maintenance the equipment. 

Ignoring the instructions can cause in exposure to dangerous laser radiation.  

„

  Eye-protective glasses are recommended when you are handling lasers or fibers. 

„

  All the operation shall be performed by authorized personnel who satisfactorily completed an 

approved training course.

 

 

„

  Make sure that the optical source is switched off before disconnecting optical fiber 

connectors.  

„

  Before opening the front door of an optical transmission system, always take care that you 

are not exposed to laser radiation.  

„

  Never look into the end of an exposed fiber or an open connector as long as you are not sure 

whether the optical source is switched on or off.  

„

  Please use optical power meter to check that the optical source is switched off by measuring 

the optical power. 

„

  Never use optical instrument such as a microscope, magnifying glass or eye loupe to view the 

optical connector or fiber. 

Read the instructions before handling fibers. 
„

  Cutting and splicing fibers must be performed by trained personnel only.  

„

  Before cutting or splicing the fibers, always verify the fiber is disconnected from the optical 

source. After disconnect the fiber, all the optical connectors must be protected by a 
protecting cap. 

 

When lifting heavy objects, it is prohibited to stand or walk under the arm or the lifted object. 

 

When the equipment is carried by hand, protection gloves should be worn to avoid injury by sharp 
objects.