EMC Connectrix B Series DS-4900B Hardware Reference Manual
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Copyright © 2001-2006 EMC Corporation. All rights reserved.
Published May 2006
EMC believes the information in this publication is accurate as of its publication date. The 
information is subject to change without notice.
THE INFORMATION IN THIS PUBLICATION IS PROVIDED "AS IS."  EMC CORPORATION 
MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE 
INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED 
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Use, copying, and distribution of any EMC software described in this publication requires an 
applicable software license.
For the most up-to-date listing of EMC product names, see EMC Corporation Trademarks on 
EMC.com.
All other trademarks used herein are the property of their respective owners.
Regulatory Agency Information
EMC Connectrix B products have been extensively tested and certified to meet UL60950, CSA 
22.2 No 60950, IEC 60950/EN60950; Safety of Information Technology Equipment including 
Electrical Business Equipment, FCC Rules Part 15 Subpart B; CISPR22 Class A; European EMC 
Directive 89/336/EEC on, electromagnetic compatibility. 
The EMC Connectrix B product is a Stationary Pluggable Type B system.
This class A digital apparatus complies with Canadian ICES-003. 
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
Warning! 
This is a Class A product.  In a domestic environment this product may cause radio interference 
in which case the user may be required to take adequate measures.
Achtung!
Dieses ist ein Gerät der Funkstörgrenzwertklasse A. In Wohnbereichen können bei Betrieb 
dieses Gerätes Rundfunkstörungen auftreten, in welchen Fällen der Benutzer für 
entsprechende Gegenmaßnahmen verantwortlich ist.
Attention!
Ceci est un produit de Classe A. Dans un environnement domestique, ce produit risque de créer 
des interférences radioélectriques, il appartiendra alors à l'utilisateur de prendre les mesures 
spécifiques appropriées.
This equipment generates, uses, and may emit radio frequency energy. The equipment has been 
type tested and found to comply with the limits for a Class A digital device pursuant to Part 15 
of FCC rules, which are designed to provide reasonable protection against such radio frequency 
interference.