12 1 Getting started
To avoid damaging your eyes and to continue safe operation in case of abnormal circum-
stances:
• Never look directly into the outlets of fiber-optic cables or fiber-optic transmission compo-
nents with unprotected eyes!
• Never allow fiber-optic transmission paths to operate until all the connections have been
made.
• Always fit protective plugs to any unused ports on the switch or the network adapter.
Radiation!
The use of controls or adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.