Allied-telesis AT-8550SP User Manual download pdf (Page 50)

Chapter 2: Installation

Warning: This unit might have more than one power source. To

reduce the risk of electric shock, disconnect all power sources

before servicing the unit.



E30

If installed in a closed or multi-unit rack assembly, the operating

ambient temperature of the rack environment may be greater

than the room ambient temperature. Therefore, consideration

should be given to installing the equipment in an environment

compatible with the manufacturer’s maximum rated ambient

temperature (Tmra).



E35

Caution: Installation of the equipment in a rack should be such

that the amount of air flow required for safe operation of the

equipment is not compromised.



E36

Warning: Reliable earthing of rack-mounted equipment should

be maintained. Particular attention should be given to supply

connections other than direct connections to the branch circuits

(e.g., use of power strips).



E37

Warning: To reduce the risk of electric shock, the PoE ports on

this product must not connect to cabling that is routed outside

the building where this device is located.



E40

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Allied-telesis AT-8550SP User Manual Page 50