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DATA SHEET
Cisco Catalyst 4000 Series
Gigabit Ethernet Modules
Overview
The Cisco Catalyst
®
4000 series of modular,
high-density, cost-effective switches extends the
network services of a Catalyst switch-based backbone
to the enterprise wiring closet with a rich variety of
1000-Mbps Gigabit and Gigabit server switching
solutions. These switches include both fiber and
copper interfaces that are easily extended to the
desktop. Gigabit Ethernet switching modules include
cost-effective, high-performance 1000BaseX Gigabit
Interface Converter (GBIC)-based Gigabit Ethernet
line cards and the highest density 48-port 10/100/
1000BaseT multispeed auto-sensing,
auto-negotiating Gigabit Ethernet line card and
system in the industry.
Product Description
Gigabit-over-Copper Modules
The Cisco Catalyst
®
4000 Series offers a rich variety
of gigabit-over-copper solutions for wiring closets
and server farms, enabling high-density gigabit
connectivity to the desktop and servers over Category
5 copper cabling. The three line card options for the
Catalyst
®
4000 Series, shown below, include the
48-port 10/100/1000BaseT (WS-X4448-GB-RJ45),
the 24-port 10/100/1000BaseT
(WS-X4424-GB-RJ45), and the 14-port 1000BaseT
(WS-X4412-2GB-T) module.
Figure 1 48-Port Line Card (WS-X4448-GB-RJ45)
Figure 2 24-Port Line Card (WS-X4424-GB-RJ45)
Figure 3 14-Port Line Card (WS-X4412-2GB-T)
48-Port 10/100/1000BaseT Line Card
(WS-X4448-GB-RJ45)
The Cisco Catalyst 4000 Series 48-port 10/100/
1000BaseT line card extends Cisco’s leadership in the
modular switched Ethernet market, providing the
industry’s highest density auto-negotiating Gigabit
Ethernet from the network edge directly to desktop
computers. This line card provides 48 RJ-45 ports
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