DS-3E1xxxP Series 100 Mbps PoE Switches Quick Start Guide
QSG DS-3E1xxxP Switch 012721NA 6
result in an explosion.
• Do not leave the battery in an extremely high temperature environment, which may result in an
explosion or the leakage of flammable liquid or gas.
• Do not subject the battery to extremely low air pressure, which may result in an explosion or the
leakage of flammable liquid or gas. Dispose of used batteries according to the instructions.
1.4 CAUTIONS
• CAUTION: Double pole/neutral fusing. After operation of the fuse, parts of the device that remain
energized might represent a hazard during servicing.
• The device has been designed, when required, to be modified for connection to an IT power distribution
system.
• This device is suitable for mounting on concrete or other non-combustible surface only.
• The ventilation should not be impeded by covering the ventilation openings with items such as
newspapers, tablecloths, curtains, etc. The openings shall never be blocked by placing the device on a
bed, sofa, rug, or other similar surface.
• No naked flame sources such as lighted candles should be placed on the device.
• The device shall not be exposed to dripping or splashing, and no objects filled with liquids such as
vases shall be placed on the device.
• Burned fingers may occur when handling the cover area of the device. Wait one-half hour after
switching off before handling the parts.
• CLASS 1 LASER PRODUCT