Speco N4NS User Manual page 3

These precautions must be followed for safety reasons
Warning
 Do not use if the unit emits smoke.
 Do not disassemble the unit.
 Do not place any heavy or sharp objects on the unit.
 Do not place on uneven surface.
 Do not expose to shock or vibration.
 Do not move the unit when the unit is powered on.
 Do not block, and allow dust to accumulate in the air vents.
 Do not restrict airflow of the unit; doing so can damage the unit.
 Only qualified and experienced personnel should perform installation and
servicing.
 Turn off the power of the NS when connecting Cameras, Audio or Sensor
Cables.
 The manufacturer is not responsible for any damage caused by improper use
of the product or failure to follow instructions for the product.
 The manufacturer is not responsible for any problems caused by or resulting
from the user physically opening the NS for examination or attempting to
repair the unit.
 For NSP models with the PoE Switch, it is strongly recommended that the 48V
connector is inserted to the PoE Switch before the AC cable is attached to the
adaptor.
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