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Chapter 1 Module Overview and Specifications
Gigabit Ethernet Switching Modules
1-40
Catalyst 4500 Series Module Installation Guide
78-13267-06
Ports on this switching module may be oversubscribed, depending on utilization.
For further information on these ports, see the “Configuring Gigabit Ethernet
Ports” section on page 3-9.
WS-X4448-GB-SFP
The WS-X4448-GB-SFP 48-port Gigabit Ethernet switching module (see
Figure 1-37) has the following specifications:
Figure 1-37 WS-X4448-GB-SFP 48-Port Gigabit Ethernet Switching Module
Ports on this switching module may be oversubscribed, depending on utilization.
For further information on these ports, see the “Configuring Gigabit Ethernet
Ports” section on page 3-9.
For a description of SFP modules, see the “Installing SFP Modules” section on
page 2-22.
Problem Insertion of unsupported SFPs (small form-factor pluggable optics) into
a WS-X4448-GB-SFP module can cause undetected communication failures
between the supervisor engine and the corresponding module. Subsequent
Specification Description
Module type 1000BASE-X Gigabit Ethernet switching module
Port duplex mode Full duplex mode
Port speed 1000 Mbps
Number of ports 48
Connector type LC type (See Figure 2-9 on page 2-6.)
Cable type MMF or SMF
SFP type SX, LX, Copper 1000BASE-T, BX10-D and BX10-U
55780
WS-4448-GB-LX
STATUS
1 3 5 7
9 11 13 15
17 19 21 23
25 27 29 31
33 35 37 39
41 43 45 47
2 4 6 8
10 12 14 16
18 20 22 24
26 28 30 32
34 36 38 40
42 44 46 48
2 4 6 8
10 12 14 16
18 20 22 24
26 28 30 32
34 36 38 40
42 44 46 48