3com 2848-sfp plus 用户指南

This equipment has been tested and found to comply with the limits for a Class A digital 
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference in a commerical environment. This 
equipment generates, uses and can radiate radio frequency energy and, if not installed 
and used in accordance with the instructions, may cause harmful interference to radio 
communications. Operation of this equipment in a residential area is likely to cause 
harmful interference to radio communications, in which case the user will be required to 
correct the interference at their own expense. 

If this equipment does cause interference to radio or television reception, which can be 
determined by turning the equipment off and on, the user is encouraged to try to correct 
the interference by one or more of the following measures:

■

Reorient the receiving antenna.

■

Relocate the equipment with respect to the receiver.

■

Move the equipment away from the receiver.

■

Plug the equipment into a different outlet so that equipment and receiver are 
on different branch circuits.

If necessary the user should consult the dealer or an experienced radio/television 
technician for additional suggestions. The user may find the following booklet prepared 
by the Federal Communications Commission helpful:

This booklet is available from the U.S. Government Printing Office, Washington, DC 
20402, Stock No. 004-000-00345-4. In order to meet FCC emissions limits, this 
equipment must be used only with cables which comply with IEEE 802.3.

This product complies with the European Low Voltage Directive 73/23/EEC and EMC 
Directive 89/336/EEC as amended by European Directive 93/68/EEC.

This Class A digital apparatus meets all requirements of the Canadian 
Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le 
matériel brouilleur du Canada.