Installation Manual
Maipu Confidential & Proprietary Information
Page 11 of 21
Chapter 2 Preparations for Installation
2.1 Security Notice
To avoid device damaging and bodily injured caused by unsuitable operation, please
follow these notices:
Before cleaning switch, pull out the plug of switch. Do not wipe it with wet cloth
and liquid.
Do not locate switch near water or humid place, and prevent water and
humidity entering switch.
Do not locate switch on unstable case or desk. Falling may cause severe
damage to switch.
Keep the ventilation of the room and the switch.
Switch can work normally under correct power pressure. Please affirm the
power pressure of switch is the same as that marked.
To avoid the danger of electricity attacking, do not open the cabinet shell
though the switch is power off.
2.2 Examine Installation Location
No matter where SM3300-28FX Fast Ethernet Switch is installed, in cabinet or on desk,
following conditions must be satisfied.
2.2.1 Temperature/Humidity
To guarantee normal working and life span of the switch, certain temperature and
humidity can be maintained in the equipment room. If the humidity is too high, the
insulating of insulating materialmay be not good, even creepage and sometimes may
cause the change of mechanical performance and rustiness of metal parts. If the related
humidity is low, the insulated gasket will be shrinkable which will cause the looseness of
