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Cisco Nexus 5000 Series Hardware Installation Guide
Chapter 1 Overview
Cisco Nexus 5500 Platform Switches
Figure 1-5 16-Port Universal GEM2
See Figure 1-7 on page 1-7 to see how ports are grouped and numbered on the Fibre Channel plus
Ethernet expansion module.
Layer 3 GEM
The Layer 3 GEMs (N55-M160L3 and N55-M160L3-V2), shown in Figure 1-6, provide 160 Gbps of
Layer 3 services. The expansion modules are field-replaceable units (FRUs). The N55-M160L3-V2 uses
a newer version of the Layer 3 ASIC that enables higher table sizes in a future software release from 8K
host entries to 16K host entries or from 4K multicast routes to 8K multicast routes (IPv4).
The Layer 3 GEMs are not hot swappable and can be inserted and removed only when the switch is
powered down.
1 Status LED 3 16 ports supporting 8-, 4-, 2-, or 1-Gbps transceivers or 1- and
10-Gigabit transceivers
2 Eject lever 4 Captive screw that locks the eject lever in a closed position
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