Datasheet
© 2005 Cisco Systems, Inc. All rights reserved.
Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.
Page 6 of 14
WS-X4306-GB
• 6-port
• 1000BASE-X (GBIC)
• Cisco IOS Software Release 12.1(8a)EW or later
• IEEE 802.3
• L2-4 Jumbo Frame Support (up to 9216 bytes)
• Enterprise and commercial: Designed for high-speed backbone, switch-to-switch
applications or small server farms
• Metro Ethernet: GBIC flexibility, six ports of dedicated 1000BASE-X Gigabit
Ethernet uplinks
WS-X4418-GB
• 18-port
• 1000BASE-X (GBIC)
• Cisco IOS Software Release 12.1(8a)EW or later
• IEEE 802.3, IEEE 802.3x flow-control
• 2 ports of wire-speed 1000BASE-X Gigabit Ethernet uplinks
• 16 ports: 4:1 oversubscribed
• Enterprise and commercial: Designed for fiber to the desktop, switch-to-switch
applications or small server farms
• Metro Ethernet: GBIC flexibility designed for network operators building the
next generation of Metro Ethernet network
WS-X4448-GB-LX
• 48-port
• 1000BASE-LX (SFP)
• Cisco IOS Software Release 12.1(8a)EW or later
• IEEE 802.3, IEEE 802.3x flow-control
• Includes 48 1000BASE-LX SFP optics preloaded at the factory
• Bandwidth is allocated across six 8-port groups, providing 1 Gbps per port group
• Enterprise and commercial: Designed for fiber to the desktop
• Metro Ethernet: Optimized for service aggregation and business customer
connectivity, Designed for service providers to run point-to-point Gigabit
Ethernet over single-mode fiber