Document status: StandardDocument version: 02.01Document date: 23 February 2007Copyright © 2007, Nortel NetworksAll Rights Reserved.The information in this document is subject to change without notice. The statements, configurations, technicaldata, and recommendations in this document are believed to be accurate and reliable, but are presented withoutexpress or implied warranty. Users must take full responsibility for their applications of any products specified in thisdocument. The information in this document is proprietary to Nortel NetworksThe software described in this document is furnished under a license agreement and may be used only in accordancewith the terms of that license. The software license agreement is included in this document.Restricted rights legendUse, duplication, or disclosure by the United States Government is subject to restrictions as set forth in subparagraph(c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013.Notwithstanding any other license agreement that may pertain to, or accompany the delivery of, this computersoftware, the rights of the United States Government regarding its use, reproduction, and disclosure are as set forthin the Commercial Computer Software-Restricted Rights clause at FAR 52.227-19.Statement of conditionsIn the interest of improving internal design, operational function, and/or reliability, Nortel Networks reserves the rightto make changes to the products described in this document without notice.Nortel Networks does not assume any liability that may occur due to the use or application of the product(s) orcircuit layout(s) described herein.International regulatory statements of conformityThis is to certify that the Nortel Networks Ethernet Routing Switch 4500 Series was evaluated to the internationalregulatory standards for electromagnetic compliance (EMC) and safety and were found to have met the requirementsfor the following international standards:• EMC - Electromagnetic Emissions - CISPR 22, Class A• EMC - Electromagnetic Immunity - CISPR 24• Electrical Safety - IEC 60950, with CB member national deviationsFurther, the equipment has been certified as compliant with the national standards as detailed below.National electromagnetic compliance (EMC) statements of complianceFCC statement (USA Only)This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part15 of the Federal Communications Commission (FCC) rules. These limits are designed to provide reasonableprotection against harmful interference when the equipment is operated in a commercial environment. Thisequipment generates, uses, and can radiate radio frequency energy. If it is not installed and used in accordance withthe instruction manual, it may cause harmful interference to radio communications. Operation of this equipmentin a residential area is likely to cause harmful interference, in which case users will be required to take whatevermeasures may be necessary to correct the interference at their own expense.ICES statement (Canada only)Canadian Department of Communications Radio Interference RegulationsThis digital apparatus (Nortel Ethernet Routing Switch 4500 Series) does not exceed the Class A limits for radio-noiseemissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department ofCommunications.