I forget who the vendor is now, but their shelves are sealed with a door which, when opened, turns off all the lasers on the shelf so you can work on it, yes, a simple provisioning operation causes an outage / protection switchover!!
Dave. Deepak Jain wrote: > 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 >
