Hardware Overview
Front Panel Ports
S3900-24T4S
S3900-24T4S
S3900-24F4S
S3900-24F4S
S3900-48T4S
1
2
3
4
5
6
7
8
9
10
Ports
RJ45
SFP
SFP+
MGT
Console
2
1
2
3
4
5
6
7
8
9
10
11
12
RJ45
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RJ45
Description
10/100/1000BASE-T ports for Ethernet connection
SFP ports for 1G connection
SFP+ ports for 1/10G connection
An out-of-band Ethernet management port
An RJ45 console port for serial management
13
14
15
16
17
18
19
20
21
22
23
24
11
12
13
14
15
16
17
18
19
20
21
22
23
SFP
25
26
27
28
29
30
31
32
33
34
35
36
37
38
MGT
MGT
25
26
27
28
26
28
25
27
CONSOLE
SFP+
Console
MGT Console
MGT
CONSOLE
SYS
PWR
25
26
27
24
21
22
23
24
SFP+
MGT Console
39
40
41
42
43
44
45
46
47
48
MGT
CONSOLE
49
50
SFP+
SYS
PWR
RESET
28
SYS
PWR
51
52