Allied Telesis x310 Series - Manual (Page 51)

x310 Series Installation Guide for Stand-alone Switches
51
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
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