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
37
48
25
36
13
24
12
1
PWR
CPU
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
9
6
7
8
10
11
12
ETHERNET WORKGROUP SWITCH
System LEDs
COM Port
RESET Button
Receive (RX)
Transmit (TX)
LEDs
HSIM/VHSIM Slot
48 Ports (10 Mbps)
