3com 3C886 User Manual

Page of 116
 
I
 
MPORTANT
 
 S
 
AFETY
 
 I
 
NFORMATION
 
WARNING:
 
  Warnings contain directions that you must follow for your personal safety. Follow 
all instructions carefully.
 
Please read the following information carefully and thoroughly before installing the unit:
 
 
Take exceptional care during the installation and removal of the unit.
 
 
Use the power adapter supplied with the unit to ensure compliance with national safety 
standards. 
 
 
Disconnect the power adapter before moving the unit. Power can only be disconnected 
from the unit by removing the power adapter from the unit or from the socket outlet.
 
 
There are no user-replaceable fuses or user-serviceable parts inside the unit. If there is a 
physical problem with the unit that cannot be solved with problem solving actions in this 
guide, contact the 3Com reseller from whom the equipment was purchased.
 
 
If the units are stackable, only stack similar units.
 
Additional Safety 
Information
 
 
Only connect apparatus complying with the relevant interface requirements to the ports on 
this unit.
 
 
Retain this user’s guide for later use and pass it on in the event of change of ownership of 
the unit.
 
 
Protect the unit from sudden, transient increases and decreases in electrical power by fitting 
an in-line surge suppressor or uninterruptable power supply. Products manufactured by us 
are safe and without risk provided they are installed, used and maintained in good working 
order in accordance with our instructions and recommendations.
 
 
If any of the following conditions occur, isolate the electricity supply and refer to your 3Com 
reseller.
 
 
If the case or cover is not correctly fitted or if it is damaged.
 
 
If the unit begins to make an odd noise, smell or smoke.
 
 
If the unit shows signs of a distinct change in performance.
 
 
Never install telephone wires during a lightning storm, or install telephone connection 
sockets in wet locations, unless the socket is specifically designed for wet locations.
 
 
Do not touch uninstalled telephone wires or terminals unless the telephone line has been 
disconnected at the network interface. Always exercise caution when installing or modifying 
telephone lines.
 
 
Do not use a telephone, which is connected to the unit, to report a gas leak in the vicinity of 
the leak.
 
 
Do not spill food or liquids on the unit. If the unit gets wet, isolate the electrical supply and 
contact your 3Com reseller.
 
 
Do not push any objects into the openings of the unit. Doing so can cause fire or electric 
shock by shorting out internal components.
 
 
Only equipment approved for use by your telephone company can be connected to the 
telephone port.
 
 
Avoid using a telephone, which is connected to the unit (other than a cordless type), during 
an electrical storm. 
 
 
Equipment connected to the telephone port must be located in the same building as the 
unit.