1

Introduction

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

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.

1.1OVERVIEW

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.

48 Ports (10 Mbps)

36

25

48

ETHERNET WORKGROUP SWITCH

12

1

24

PWR

 

 

RESETCPU

37

13

HSIM/VHSIM Slot

4

8

12

16

20

24

28

32

36

40

44

48

3

7

11

15

19

23

27

31

35

39

43

47

2

6

10

14

18

22

26

30

34

38

42

46

2E253-49R COM

System LEDs

COM Port

RESET Button

1

5

9

13

17

21

25

29

33

37

41

45

Receive (RX)

Transmit (TX)

LEDs

2600-01

Figure 1-1 2E253-49R SmartSwitch 2200 Device

Introduction 1-1

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Cabletron Systems 2200 manual Introduction, Overview