TRACER 4106/4206 System Manual FCC-Required Information612804206L2-1A © 2003 ADTRAN, Inc. 5FCC-Required InformationFederal Communications Commission Radio Frequency Interference StatementThis equipment has been tested and found to comply with the limits for a Class A digital device, pursuantto Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmfulinterference when the equipment is operated in a commercial environment. This equipment generates,uses, and can radiate radio frequency energy and, if not installed and used in accordance with theinstruction manual, may cause harmful interference to radio frequencies. Operation of this equipment in aresidential area is likely to cause harmful interference in which case the user will be required to correct theinterference at his own expense.Radio Frequency Interface StatementThis equipment has been tested and found to comply with the limits for an intentional radiator, pursuant toPart 15, Subpart C of the FCC Rules. This equipment generates, uses, and can radiate radio frequencyenergy. If not installed and used in accordance with the instructions, it may cause interference to radiocommunications.The limits are designed to provide reasonable protection against such interference in a residential situation.However, there is no guarantee that interference will not occur in a particular installation. If this equipmentdoes cause interference to radio or television reception, which can be determined by turning the equipmenton and off, the user is encouraged to try to correct the interference by one or more of the followingmeasures:• Reorient or relocate the receiving antenna of the affected radio or television.• Increase the separation between the equipment and the affected receiver.• Connect the equipment and the affected receiver to power outlets on separate circuits.• Consult the dealer or an experienced radio/TV technician for help.Shielded cables must be used with this unit to ensure compliance with Class A FCC limits.Changes or modifications to this unit not expressly approved by the party responsiblefor compliance could void the user’s authority to operate the equipment.Changes or modifications not expressly approved by ADTRAN could void the user’sauthority to operate the equipment.