Switch User Manual
1-19
Catalyst 4500 Series Module Installation Guide
78-13267-06
Chapter 1  Module Overview and Specifications
Ethernet and Fast Ethernet Switching Modules
Figure 1-18 WS-X4148-RJ45V 48-Port PoE 10/100BASE-TX Switching Module 
To provide PoE with the 48-port PoE 10/100BASE-TX switching module in a 
Catalyst 4006 switch, you must have a power entry module (PEM) and a power 
shelf installed. For more information about installing the PEM or the external 
power shelf, refer to the Catalyst 4000 Series Installation Guide, Catalyst 4500 
Series Installation Guide, Installation and Configuration Note for the Catalyst 
4500 Series AC Power Shelf, or the Catalyst 4500 Series Power Entry Module and 
External Power Shelf Installation Note.
To provide PoE with the 48-port PoE 10/100BASE-TX switching module in a 
Catalyst 4500 series switch, you must have a PoE-enabled power supply. All 
power supplies support PoE except the 1000 W and 1400 W AC power supplies.
Note Auto MDIX is not supported on PoE enabled switching modules.
Number of ports 48
Connector type RJ-45 (See Figure 2-1 on page 2-2.)
Cable type UTP
Power over Ethernet 6.3 W per-powered device on a port, on all 48 ports
Specification Description
41854
WS-X4648-PWR
DC IN-LINE
STATUS
1
2
3
4
5
6
7
8
9
10
12
12
11
10
9
8
7
6
5
4
3
2
11
48 PO
R
T
IN
_
LIN
E P
O
W
E
R
13
14
15
16
17
18
19
20
21
22
24
23
24
22
21
20
19
18
17
16
15
14
13
23
25
26
27
28
29
30
31
32
33
34
36
35
3
5
3
6
34
33
32
31
30
2
9
28
27
26
25
10/100B
A
S
E-TX
ETH
ER
N
ET
S
W
IT
C
H
IN
G
M
O
D
U
LE
P
H
O
N
E
25
26
27
28
29
30
31
32
33
34
36
35
35
36
34
33
32
31
30
29
28
27
26
25










