Chapter 1 Product Overview
Catalyst 4900M Switch Applications
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Cisco Catalyst 4900M Switch Installation Guide
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The half cards provide a wide variety of combinations of Gigabit Ethe rnet and 10
Gigabit Ethernet media types. The half slots also provide investment protection
for further additions of 1 GE and 10 GE media.
Figure 1-1 Catalyst 4900M Switch
The modules that fit into the open slots are:
• 20-port 1 GE RJ-45 (WS-X4920-GB-RJ45=)
• 4-port X2 wire speed 10 Gigabit Ethernet (WS-X4904-10GE=)
• 8-port X2 2:1 oversubscribed 10 Gigabit Ethernet (WS-X4908-10GE=)
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