Chapter 1 Product Overview
Features
1-2
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-03
Figure 1-1
Catalyst 3550 Switch Models
MODE
Catalyst 3550
SYSTEM
1X
2X
15X
16X
RPS
STATUS
UTIL
DUPLX
SPEED
1
2
3
4
5
6
7
8
9
10
11
12
1
1X
2X
15X
16X
1
2
3
4
5
6
7
8
9
10
11
12
2
MODE
Catalyst 3550
SYSTEM
1X
2X
15X
16X
RPS
STATUS
UTIL
DUPLX
SPEED
1
2
3
4
5
6
7
8
9
10
11
12
1
1X
2X
15X
16X
1
2
3
4
5
6
7
8
9
10
11
12
2
MODE
Catalyst 3550
SYSTEM
RPS
STATUS
UTIL
DUPLX
SPEED
2
1
MODE
SYSTEM
RPS
STATUS
UTIL
DUPLX
SPEED
2
1
1
Catalyst 3550
2
3
4
5
6
7
8
9
10
MODE
SYSTEM
RPS
STATUS
UTIL
DUPLX
SPEED
2
1
4
3
6
5
8
7
10
9
Catalyst 3550
11
12
MODE
Catalyst 3
550
SYSTEM
1X
2X
17X
18X
33X
34X
15X
16X
31X
32X
47X
48X
RPS
STATUS
UTIL
DUPLX
SPEED
1
2
3
4
5
6
7
8
9
10
11
12
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
1
48
2
10 autosensing 10/100/1000
Ethernet ports
2 GBIC
1
-based Gigabit
module slots
2 autosensing 10/100/1000
Ethernet ports
10 GBIC-based Gigabit
module slots
24 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
48 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
24 100BASE-FX ports
2 GBIC-based
module slots
24 autosensing 10/100
Ethernet ports
2 GBIC-based Gigabit
module slots
DC-input power
connector
74041
Switch
Description
1. GBIC = Gigabit Interface Converter
WS-C3550-12T
WS-C3550-12G
WS-3550-24-SMI
WS-C3550-48-EMI
WS-C3550-FX-SMI
WS-C3550-24-FX-
SMI
WS-C3550-DC-SMI
WS-C3550-24-DC-
SMI
1X
2X
3X
4X
5X
6X
7X
8X
9X
10X
11X
12X
13X
14X
15X
16X
10BASE-T/100
BASE-TX
17X
18X
19X
20X
21X
22X
23X
24X