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Cisco Nexus 5000 Series Hardware Installation Guide
 
Chapter 1      Overview
    Cisco Nexus 5500 Platform Switches
The rear of the Cisco Nexus 5596UP chassis, shown in Figure 1-3, has 48 fixed 10-Gigabit Ethernet data 
ports on the bottom and three slots for optional expansion modules on top.
Figure 1-3 Rear View of the Cisco Nexus 5596UP Switch
Note The L1/L2/Mgmt1 ports are not usable. They are disabled at this time.
Expansion Modules
Expansion modules allow the Cisco Nexus 5596UP switch to be configured as cost-effective 10-Gigabit 
Ethernet switches and as I/O consolidation platforms with native Fibre Channel connectivity. 
The Cisco Nexus 5596UP switch has three slots that can be used for the following optional expansion 
modules:
• 4-port QSFP expansion module
• 16-port Universal (Fibre Channel and Ethernet) GEM (N55-M16UP) that provides 8-, 4-, 2-, or 
1-Gbps Fibre Channel and 1- or 10-Gigabit Ethernet ports
1 Internal cross-connect ports 4 Network management port
2 Link LED (left LED) 5 Console port
3 Activity LED (right LED)
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1
1
3
2
4
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1 Expansion modules, shown here with three 
16-port Universal GEM2 modules (can also 
have Layer 3 GEM2 modules)
3 System status LED
2 Identifier LED 4 48 fixed 1- and 10-Gigabit Ethernet ports