xvAbout This GuideWelcome to the 2E253-49R SmartSwitch 2200 Installation User’s Guide. This guide describesthe 2E253-49R SmartSwitch 2200 device and provides information concerning networkrequirements, installation, and troubleshooting. For information about how to use LocalManagement to configure and manage the 2E253-49R, refer to the Cabletron SystemsSmartSwitch Series 2E253, 2H252, 2H253, and 2H258 Local Management User’s Guide.USING THIS GUIDERead through this part of the guide first for information on how to use this guide and for a list oftechnology and user’s guides that may help in setting up and managing the 2E253-49R. Then readthe remainder of this guide completely to understand the 2E253-49R capabilities and how toinstall it.A general working knowledge of Ethernet and IEEE 802.3 type data communications networksand their physical layer components is helpful when using this device.STRUCTURE OF THIS GUIDEThis guide is organized as follows:Chapter 1, Introduction, provides an overview of the 2E253-49R and its features. Directions forobtaining additional information or help from Cabletron Systems are also included in this chapter.Chapter 2, Network Requirements, explains the network requirements that must be met beforeinstalling the 2E253-49R.Important NoticeDepending on the firmware version used in the 2E253-49R, some features described in thisdocument may not be supported. Refer to the Release Notes shipped with the 2E253-49R todetermine which features are supported.NOTEIn this document, the device is referred to as either the “2E253-49R” or the “device”.