Cisco Prisma II 1550 nm Installation And Operation Manual page 16

Important Safety Instructions
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 this equipment's cover may
expose you to dangerous voltages.
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 that contained in the operating instructions unless you
are qualified to do so. Refer all servicing to qualified service personnel.
xiv 78-4019959-01 Rev D