Appendix A:
Product Safety
NGSME48T4H Switch User Manual | 317
Appendix A: Product Safety
This appendix describes safety issues regarding to this product. To use this product safely, it
is highly recommended to read this appendix before installing and using this product.
Failure to follow these precautions and warnings might cause product malfunction, electrical
shock, or even fire. If this product is working abnormally (e.g. generating smoke), please stop
using this product and contact your distributor or retailer immediately.
DO NOT install this product under conditions listed below:
DO NOT install this product in an environment with conditions exceeding its specified
operating environment.
DO NOT install this product in an environment that is subjected to direct sunlight or
near any heating equipment.
DO NOT install this product in an environment with extreme temperature changes.
Extreme temperature changes, even within the product’s operating temperature
range, may cause malfunctions.
DO NOT install this product in a location near any sources of water or liquid.
DO NOT stack this product with other network devices directly on top of one another.
Stacking network devices directly without applying a mounting rack will cause this
product to overheat.
DO NOT install this product on an unstable surface. Doing so might cause this
product to fall, resulting malfunction.
Product Maintenance Guide:
DO NOT disassemble this product. Doing so might cause malfunction and void your
product’s warranty.
It is recommended to keep your product clear of dust. To remove dust from your
product, please use a dry brush and brush it off gently.
When not using this product, please store it in an environment with low humidity, cool
temperature, and free of dust. Failure to do so might cause malfunction.
Before powering up this product, please make sure that the electric power source
meets this product’s requirement. DO NOT use other power adapters if this product
comes with its own power adapter in the package.
