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Cisco Nexus 2000 Series Hardware Installation Guide
OL-19013-05
Chapter 1 Using a Fabric Extender with a Cisco Nexus 5000 Series Switch
Cisco Nexus 2148T
Cisco Nexus 2148T
The Cisco Nexus 2148T FEX is a 1 RU device that acts as a remote I/O module on the Cisco Nexus 5000
Series switch. All device configurations are managed on the switch and configuration information is
downloaded through inband communication to the FEX. You can use this FEX with the Cisco Nexus
5000 Series switch. The FEX software ships with the Cisco Nexus 5000 Series switch software. The FEX
downloads the software image from the switch the same way that a module would download it from the
supervisor in a modular chassis.
This section includes the following topics:
• Features, page 1-33
• Chassis, page 1-33
• Ports, page 1-35
• Power Supplies, page 1-35
• Fan Tray, page 1-36
• Supported SFP Transceivers, page 1-37
Features
The Cisco Nexus 2148T FEX has the following features:
• Forty-eight 1-Gigabit Ethernet ports
• Four 10-Gigabit Ethernet ports
• Redundant (dual) 200-W modular, hot-swappable power supplies with a power switch on each
supply
• Removable fan tray with redundant fans. The fan tray can be removed for hot swapping. If it is not
replaced within 60 seconds, the system shuts down.
• Front-to-back airflow
Chassis
The Cisco Nexus 2148T FEX has a height of 1.72 inches (4.37 cm), a width of 17.3 inches (43.94 cm),
and a depth of 20 inches (50.8 cm). The FEX is mounted in a standard 19-inch (48.24 cm) rack. The
chassis requires 1 RU. One fan tray and two power supplies are located at the front of the device. The
ports are located at the rear of the device. The airflow through the fan tray and power supplies is from
front to back.
Figure 1-29 identifies the front view of the Cisco Nexus 2148T FEX.
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