Allied Telesis IA Series Installation Manual page 27

Warning
Class I Equipment. This equipment must be earthed. The power
plug must be connected to a properly wired earth ground socket
outlet. An improperly wired socket outlet could place hazardous
voltages on accessible metal parts.  E4
Caution
Air vents must not be blocked and must have free access to the
room ambient air for cooling.  E6
Note
All Countries: Install product in accordance with local and National
Electrical Codes.  E8
Warning
Only trained and qualified personnel are allowed to install or replace
this equipment.  E14
Caution
Circuit Overloading: Consideration should be given to the
connection of the equipment to the supply circuit and the effect that
overloading of circuits might have on overcurrent protection and
supply wiring. Appropriate consideration of equipment nameplate
ratings should be used when addressing this concern.  E21
Warning
Mounting of the equipment in the rack should be such that a
hazardous condition is not created due to uneven mechanical
loading.  E25
Note
Use dedicated power circuits or power conditioners to supply reliable
electrical power to the device.  E27
IA Series Ehternet Switches Installation Guide
23