NOTICECabletron Systems reserves the right to make changes in specifications and other informa-tion contained in this document without prior notice. The reader should in all cases consultCabletron Systems to determine whether any such changes have been made.The hardware, firmware, or software described in this manual is subject to change withoutnotice.IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDI-RECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING BUTNOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL ORTHE INFORMATION CONTAINED IN IT, EVEN IF CABLETRON SYSTEMS HAS BEEN AD-VISED OF, KNOWN, OR SHOULD HAVE KNOWN, THE POSSIBILITY OF SUCH DAMAG-ES.© Copyright 1999 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005All Rights ReservedPrinted in the United States of AmericaPart Number: 9032947 January 1999ELS100-24TX is a trademark of Cabletron Systems, Inc.All other product names mentioned in this manual may be trademarks or registered trade-marks of their respective companies.FCC NOTICEThis device complies with Part 15 of the FCC rules. Operation is subject to the following twoconditions: (1) this device may not cause harmful interference, and (2) this device must ac-cept any interference received, including interference that may cause undesired operation.NOTE: This equipment has been tested and found to comply with the limits for a Class A dig-ital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide rea-sonable protection against harmful interference when the equipment is operated in acommercial environment. This equipment uses, generates, and can radiate radio frequencyenergy and if not installed in accordance with the operator’s manual, may cause harmful in-terference to radio communications. Operation of this equipment in a residential area is likelyto cause interference in which case the user will be required to correct the interference at hisown expense.WARNING: Changes or modifications made to this device which are not expressly approvedby the party responsible for compliance could void the user’s authority to operate the equip-ment.Printed on Recycled PaperOnly qualified personnel should perform installationprocedures.