Chapter 1 Module Overview and Specifications
Ethernet and Fast Ethernet Switching Modules
1-18
Catalyst 4500 Series Module Installation Guide
78-13267-06
WS-X4148-RJ21
The WS-X4148-RJ21 48-port Fast Ethernet switching module (see Figure 1-17)
has the following specifications:
Figure 1-17 WS-X4148-RJ21 48-Port 10/100-Mbps Fast Ethernet Switching Module
WS-X4148-RJ45V
The WS-X4148-RJ45V 48-port Cisco pre-standard Power over Ethernet (PoE)
10/100BASE-TX switching module (see Figure 1-18) has the following
specifications:
Specification Description
Module type 10/100BASE-TX Fast Ethernet switching module
Port duplex mode Half or full duplex mode
Port speed 10 or 100 Mbps
Number of ports 48
Connector type RJ-21 (See Figure 2-5 on page 2-5 or Figure 2-6 on
page 2-5.)
Cable type Category 5 UTP
29217
STATUS
W
S
-X
4
1
4
8
-R
J
2
1
1
0
/1
0
0
F
A
S
T
E
T
H
E
R
N
E
T
1
2
3
45
6
7
8
9
10
1112
13
1415
16
17181920
2122
2324
25
26
2728
29
30
31
32
3334
3536
3738
39
4041
4243
4445
46
47
48
Specification Description
Module type 10/100BASE-TX Fast Ethernet switching module
with Cisco pre-standard PoE
Port duplex mode Half or full duplex mode
Port speed 10 or 100 Mbps
