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Cisco Nexus 2000 Series Hardware Installation Guide
Chapter 1 Using a Fabric Extender with a Cisco Nexus 5000 Series or Cisco Nexus 6000 Series Switch
Cisco Nexus 2148T
Ports
Each port on the Cisco Nexus 2148T FEX is numbered, and groups of ports are numbered based on their
function. The ports are numbered from top to bottom and left to right.
Group 1 includes 48 1-Gigabit Ethernet data ports. Group 2 includes four 10-Gigabit Ethernet ports.
Figure 1-38 shows how ports are numbered and grouped by function.
Figure 1-38 Port Numbering on the Cisco Nexus 2148T FEX
Power Supplies
The Cisco Nexus 2148T FEX uses a fan side 200-W AC power supply that has port-side exhaust airflow.
The chassis has two bays for two power supplies. Two power supplies can be used for redundancy, but
the Cisco Nexus 2148T FEX is fully functional with one power supply. Figure 1-39 shows the power
supply with two LEDs: one for power status and one for a failure condition. The power supply is
hot-swappable. For details on how to install a power supply, see the “Removing and Installing Power
Supplies” section on page 4-16.
Figure 1-39 AC Power Supply for the Cisco Nexus 2148T Series FEX
If one power supply is installed in the chassis, but the other power supply slot is empty, you should use
a blank filler panel to cover the empty slot. Figure 1-40 shows a blank power supply filler panel.
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1 Green power LED indicates the power status. 2 Amber fail LED indicates a failure condition.