Cisco Nexus 2000 Series Installation Manual page 70

Cisco Nexus 2248TP FEX
You can order the Cisco Nexus 2248TP with port-side exhaust or port-side intake airflow and with AC
or DC power supplies. If you are going to install the ports in a hot aisle, then order port-side exhaust
airflow for all of the fan trays and power supplies. If you are going to install the ports in the cold aisle,
order port-side intake airflow for all of the fan trays and power supplies.
Make sure that all of the fan tray and power supply modules use the same airflow direction and have the
Caution
same color designation on the front. Otherwise, the switch can over heat and shut down,
For visual identification, port-side exhaust airflow fan trays and power supplies have a black stripe
Note
across their front, and port-side intake airflow modules do not have a black stripe across their front. All
of the power supplies and fan trays must have the same direction of airflow for the components to
properly function (all of these components must either have a black stripe or all of the components must
not have a black stripe).
The front of the Cisco Nexus 2248TP FEX chassis has one or two power supplies, a fan tray, and two
chassis LEDs as shown in
power redundancy, you must install a second power supply.
Figure 2-13
1
1 Power supply
2 Fan tray
The rear of the Cisco Nexus 2248TP-E FEX has 48 100/1000 Ethernet downlink ports, four 10-Gigabit
Ethernet uplink ports, an HDMI port, and LEDs, as shown in
Cisco Nexus 2000 Series Hardware Installation Guide
2-12
Chapter 2
Figure 2-13. This FEX model requires one power supply, but if you want
Front View of the Cisco Nexus 2248TP Chassis
2
3
4
Using a Fabric Extender with a Cisco Nexus 7000 Series Switch
3 Power supply (blank shown)
4 Status (top) and ID (bottom) LEDs
Figure 2-14.