3com 4400 (3C17203) User Manual

Page of 90
Important Safety Information
67
WARNING: The socket outlet must be near to the unit and easily 
accessible. You can only remove power from the unit by disconnecting 
the power cord from the outlet.
WARNING: This unit operates under SELV (Safety Extra Low Voltage) 
conditions according to IEC 60950. The conditions are only maintained if 
the equipment to which it is connected also operates under SELV 
conditions.
WARNING: France and Peru only:
This unit cannot be powered from IT
 supplies. If your supplies are of IT 
type, this unit must be powered by 230V (2P+T) via an isolation 
transformer ratio 1:1, with the secondary connection point labelled 
Neutral, connected directly to earth (ground).
Impédance à la terre.
WARNING: U.K. only:
If connecting a modem to the console port of the Switch 4400, only use a 
modem which is suitable for connection to the telecommunications 
system.
WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot 
be used as standard traditional telephone sockets, or to connect the unit to a 
traditional PBX or public telephone network. Only connect RJ-45 data 
connectors, network telephony systems, or network telephones to these 
sockets.
Either shielded or unshielded data cables with shielded or unshielded 
jacks can be connected to these data sockets.
WARNING:  Fiber Optic ports – Optical Safety
Never look at the transmit LED through a magnifying device while it is 
powered on. Never look directly at the fiber TX port and fiber cable ends 
when they are powered on.
DUA1720-3AAA07.book  Page 67  Wednesday, March 17, 2004  1:14 PM