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CHAPTER
1-1
Cisco Catalyst 4900M Switch Installation Guid e
78-18350-02
1
Product Overview
Revised: January 4, 2012
This chapter describes the Catalyst 4900M switch and the supported half-card Ethernet modules. The
chapter contains these sections:
• Catalyst 4900M Switch Chassis, page 1-1
• Catalyst 4900M Half-Card Mo dules, page 1-8
• Serial Number Location, page 1-14
Catalyst 4900M Switch Chassis
The Catalyst 4900M switch is a 2 RU horizontal high-performance dedicated Ethernet switch. The
chassis has 8 fixed 1-GB or 10 -GB ports and two half-card Ethernet module slots that can accommodate
a several different styles of half-card Ethernet modules. The switch has one removable variable-speed
fan tray and supports redundant power supplies. Figure 1-1 shows the front of the chassis.