Introduction 1-1
1
Introduction
This chapter introduces the 2E253-49R SmartSwitch 2200 device and provides information about
how to obtain additional support from Cabletron Systems.

1.1 OVERVIEW

The 2E253-49R (Figure 1-1) is a standalone device that has 48 10BASE-T switched ports
connected through 4 RJ21 front panel connectors, and 1 slot that can support either an optional
High Speed Interface Module (HSIM) or a Very High Speed Interface Module (VHSIM). The
HSIMs and VHSIMs are available from Cabletron Systems.
Each of the 48 10BASE-T switched ports can operate in either standard or full duplex mode of
operation. Full duplex mode is the default mode as determined by auto-negotiation. Full duplex
can also be manually configured.
Figure 1-1 2E253-49R SmartSwitch 2200 Device

Important Notice

Depending on the firmware version used in the 2E253-49R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2E253-49R to determine which features are supported.2600-01
2E253-49R COM
RESET
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ETHERNET WORKGROUP SWITCHSystem LEDsCOM PortRESET Button Receive (RX)Transmit (TX)LEDsHSIM/VHSIM Slot48 Ports (10 Mbps)