53D Regulatory InformationFCC Class B StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to thefollowing two conditions:1 This device may not cause harmful interference, and2 This device must accept any interference received, including interference that maycause undesired operation.WARNING: This equipment has been tested and found to comply with the limits for aClass B digital device, pursuant to Part 15 of the FCC Rules, and the CanadianDepartment of Communications Equipment Standards entitled, "Digital Apparatus,"ICES-003.These limits are designed to provide reasonable protection against harmfulinterference in a residential installation. This equipment generates, uses and canradiate radio frequency energy and, if not installed and used in accordance with theinstructions, may cause harmful interference to radio communications. However, thereis no guarantee that interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or television reception, which canbe determined by turning the equipment off and on, the user is encouraged to try tocorrect the interference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from the one that thereceiver is connected to.• Consult the dealer or an experienced radio/TV technician for help.The user may find the following booklet prepared by the Federal CommunicationsCommission helpful:The Interference HandbookThis booklet is available from the U.S. Government Printing Office, Washington, D.C.20402. Stock No. 004-000-00345-4.NOTE: In order to maintain compliance with the limits of a Class B digital device, 3Comrequires that you use quality interface cables when connecting to this device. Changesor modifications not expressly approved by 3Com could void the user’s authority tooperate this equipment. Refer to the manual for specifications on cabling types.