Cisco OptoStar II Installation Manual page 12

Important Safety Instructions, Continued
AC Power
Important: If this equipment is a Class I equipment, it must be grounded.
• If this equipment plugs into an outlet, the outlet must be near this equipment, and
must be easily accessible.
• Connect this equipment only to the power sources that are identified on the
equipment-rating label normally located close to the power inlet connector(s).
• This equipment may have two power sources. Be sure to disconnect all power
sources before working on this equipment.
• If this equipment does not have a main power switch, the power cord connector
serves as the disconnect device.
• Always pull on the plug or the connector to disconnect a cable. Never pull on the
cable itself.
• Unplug this equipment when unused for long periods of time.
Connection to -48 V DC/-60 V DC Power Sources
If this equipment is DC-powered, refer to the specific installation instructions in this
manual or in companion manuals in this series for information on connecting this
equipment to nominal -48 V DC/-60 V DC power sources.
Circuit Overload
Know the effects of circuit overloading before connecting this equipment to the
power supply.
CAUTION:
Consider the connection of this equipment to the supply circuit and the effect
that overloading of circuits might have on overcurrent protection and supply
wiring. Refer to the information on the equipment-rating label when addressing
this concern.
General Servicing Precautions
WARNING:
Avoid electric shock! Opening or removing the equipment cover may expose
you to dangerous voltages. Refer all servicing to qualified service personnel
only.
CAUTION:
These servicing precautions are for the guidance of qualified service personnel
only. To reduce the risk of electric shock, do not perform any servicing other
than contained in the operating instructions unless you are qualified to do so.
Refer all servicing to qualified service personnel.
OL-29669-01 Safety
Continued on next page
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