Features
Figure 1-2
Switch
WS-C3550-24-SMI
WS-C3550-24-EMI
WS-C3550-24-DC-
SMI
WS-C3550-24-FX-
SMI
WS-C3550-24PWR-
SMI
WS-C3550-24PWR-
EMI
WS-C3550-48-SMI
WS-C3550-48-EMI
Catalyst 3550 Switch Hardware Installation Guide
1-2
Catalyst 3550-24, 3550-24-DC, 3550-FX, 3550-24PWR, and 3550-48 Switch Models
Description
24 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
24 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
DC-input power connector
24 100BASE-FX ports
2 GBIC-based Gigabit
module slots
24 autosensing 10/100
inline-power Ethernet ports
2 GBIC-based Gigabit
module slots
48 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
1
2
3
4
5
1X
6
SYSTE M
7
8
9
10
RPS
11
12
MODE
STATUS
15X
1
2
UTIL
3
4
DUPLX
5
6
SPEED
1X
7
8
9
10
2X
11
12
15X
16X
Ca taly st
2X
1
16X
1
2
3
4
5
6
SYSTE M
1X
7
8
9
RPS
10
11
12
STATUS
MODE
1
UTIL
15X
2
3
DUPLX
4
5
1X
6
7
SPEED
8
9
10
11
2X
12
15X
16X
Ca taly st
2X
1
16X
SYSTE M
RPS
STATUS
MODE
UTIL
DUPLX
SPEED
10BA SE-T/
100BA SE-TX
Ca taly st
1
2
3
4
5
1X
6
7
SYSTE M
8
9
10
11
RPS
12
STAT
MODE
1
UTIL
15X
2
3
4
5
DUPLX
6
SPEED
1X
7
8
9
10
2X
11
12
15X
Cat aly st
16X
355 0
2X
16X
1
2
3
4
5
1X
6
7
SYSTE M
8
9
10
11
RPS
12
13
14
15
16
STATUS
17
18
19
UTIL
20
21
DUPLX
15X
17X
22
23
SPEED
24
25
26
MODE
2X
27
28
29
30
31
32
33
34
35
36
31X
37
38
33X
39
40
41
42
16X
18X
43
44
Ca taly st
45
46
47
48
47X
32X
34X
48X
Chapter 1
Product Overview
355 0
2
355 0
2
355 0
1
2
SER IES
INLIN E
POW ER
1
2
355 0
1
2
OL-6155-01