Eye protection in DWDM systems -- what threshold?

Deepak Jain deepak at ai.net
Mon Jun 8 23:42:41 CDT 2009


At what power level do DWDM systems become dangerous to work near (i.e. not staring into any optics, using light meters, etc)? I never see technicians on inside DWDM systems using eye protection, but I see power levels of amps going higher and higher. On a recent meter I saw almost .6mW... 

Any pointers to a document saying 1550nm becomes dangerous at xxxx dbM?

Thanks in advance,

DJ



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