Allied Telesis AT-DC2552XS, Installation Manual, Page: 50 / 96

Chapter 3: Beginning the Installation
50
Note
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
Caution
The unit does not contain serviceable components. Please return
damaged units for servicing.

E42
Warning
When you remove an SFP module from this product, the case
temperature of the SFP may exceed 40° C (158° F). Exercise
caution when handling with unprotected hands.

E43