Cisco Prisma II Installation Manual page 16

Important Safety Instructions
requires connection to a 3-terminal mains supply outlet via a 3-terminal power
cord for proper connection to the protective ground.
Note: The equipotential bonding terminal provided on some equipment is not
designed to function as a protective ground connection.
Class II Mains Powered Equipment – Provided with a 2-terminal AC inlet that

may be connected by a 2-terminal power cord to the mains supply outlet. No
connection to the protective ground is required as this class of equipment is
provided with double or reinforced and/or supplementary insulation in
addition to the basic insulation provided in Class I equipment.
Note: Class II equipment, which is subject to EN 50083-1, is provided with a
chassis mounted equipotential bonding terminal. See the section titled
Equipotential Bonding for connection instructions.
Equipotential Bonding
If this equipment is equipped with an external chassis terminal marked with the IEC
60417-5020 chassis icon (
50083-1 or IEC standard IEC 60728-11 for correct equipotential bonding connection
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.

xiv
), the installer should refer to CENELEC standard EN