Cisco UCS 2104XP FEXes
Figure 16: Cisco UCS 2104 IO Module
Captive screws for the insertion latches
4
Fabric extender status indicator LED
1
HDMI console connector for use by Cisco
service technicians
5
Link status indicator LEDs
2
Connection ports (to the fabric interconnect)
3
Cisco UCS 2100 Series FEXes bring the unified fabric into the blade server enclosure, providing 10 Gigabit
Ethernet connections between blade servers and the fabric interconnect, simplifying diagnostics, cabling, and
management.
The Cisco UCS 2104 (N20-I6584) extends the I/O fabric between the fabric interconnects and the Cisco UCS
5100 Series Blade Server Chassis, enabling a lossless and deterministic Fibre Channel over Ethernet (FCoE)
fabric to connect all blades and chassis together. Because the FEX is similar to a distributed line card, it does
not do any switching and is managed as an extension of the fabric interconnects. This approach removes
switching from the chassis, reducing overall infrastructure complexity and enabling the Cisco Unified
Computing System to scale to many chassis without multiplying the number of switches needed, reducing
TCO and allowing all chassis to be managed as a single, highly available management domain.
Cisco UCS 5108 Server Chassis Installation Guide
29
Overview
Cisco UCS 2104XP FEXes