Information About Linecard Expansion Modules
The Linecard Expansion Module (LEM) is a field replaceable module. Each LEM has 12 to 40 Gigabit Ethernet ports that can break out into 48 to10 Gigabit ports per LEM. The module can be either in 10 Gigabit Ethernet mode or in 40 Gigabit Ethernet mode. A power-off followed by a power-on of the module is required to change the mode. The LEM occupies slot 1 to slot 8 on the Cisco Nexus 6004 chassis.
The Cisco Nexus 6004 chassis supports the following types of LEMs:
Fixed LEMs: Slot 1 to Slot 4.
Hot-swappable LEMs: Slot 5 to Slot 8.