N-Tron 300 Series Switch User Manual


 
Rev 100807
4
Safety Warnings
ELECTRICAL SAFETY
WARNING: Explosion hazard, do not disconnect while circuits is live unless area is known to be non-
hazardous.
WARNING: Disconnect the power cable before removing the enclosure top.
WARNING: Do not operate the unit with the top cover removed.
WARNING: Do not work on equipment or cables during periods of lightning activity.
WARNING: Do not perform any services on the unit unless qualified to do so.
WARNING: Do not block the air vents.
WARNING: Observe proper DC Voltage polarity when installing power input cables. Reversing
voltage polarity can cause permanent damage to the unit and void the warranty.
Power must be supplied by an isolating source, and a 3.3 A maximum rated UL Recognized fuse
must be installed immediately before the unit.
LASER SAFETY (FXE Products Only)
WARNING: CLASS 1 Laser Product. Do not stare into the laser.