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C3662M (6/08) 7
Important Safety Instructions
Elevated Operating Ambient: If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment
may be greater than room ambient. Therefore, consideration should be given to installing the equipment in an environment compatible with the
manufacturer’s maximum rated ambient temperature of 32ºC.
Reduced Air Flow: 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.
Mechanical Loading: Mounting of the equipment in the rack should be such that a hazardous condition is not achieved due to uneven
mechanical loading.
Circuit Overloading: Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of
the circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used
when addressing this concern.
Reliable Earthing: Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to supply
connections other than direct connections to the branch circuit (for example, use of power strips).
To reduce the risk of fire, use only No. 26 AWG or larger (for example, 24 AWG) UL Listed or CSA Certified Telecommunication Line Cord.
LITHIUM BATTERY; DANGER: The battery should be replaced only by a service technician. The battery is a non-operator-replaceable cell.
There is danger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the
manufacturer. Dispose of used batteries according to the manufacturer’s instructions.
RISK OF ELECTRIC SHOCK; DO NOT OPEN: To reduce risk of electric shock, do not remove the cover or back of the DS system. There are
no user-serviceable parts inside. Refer servicing to qualified personnel only.