Chassis - Cisco Nexus 2000 Series Installation Manual

Cisco Nexus 2248PQ
Table 1-7
Power Supply
DC power supply with port-side exhaust airflow
DC power supply with port-side intake airflow
Figure 1-23 on page 1-20
page 1-21
DC power supply with port-side exhaust airflow.
You can order the Cisco Nexus 2248PQ FEX with AC power supplies that have port-side exhaust or
port-side intake airflow for cooling or DC power supplies that have port-side exhaust airflow. The
port-side intake airflow components have a black stripe on their fan side surface for easy visual
identification. The port-side exhaust airflow components do not have a black stripe.
Table 1-5 on page 1-19
Nexus 2300 Platform FEXs.
Be sure that all of the power supply and fan tray modules in the same chassis have the same airflow
Caution
direction and that the air intake for those modules is positioned on a cool aisle. If you install a module
that uses a different direction of airflow from the other modules in your system, you will see an error
message. If you position a chassis with its modules taking cooling air from a warm aisle, the switch can
over heat and shut down.
If one power supply is installed in the chassis, but the other power supply slot is empty, you should use
a blank filler panel (N2200-P-BLNK) to cover the empty slot.
power supply filler panel.
For power supply specifications, see
"Removing and Installing Power Supplies" section on page
Hot swapping of different direction fans and power supplies is not supported.
Caution
Fan Trays
The Cisco Nexus 2248PQ FEX has one fan tray that is hot swappable during operations. Depending on
whether there is a cold aisle in the fan side or port side of the chassis, you can order port side exhaust
airflow or port side intake airflow for the fan tray and the power supplies in the same chassis.
lists the part numbers for each of the fan trays that you can use with this chassis.
Table 1-8
Description
Port-side exhaust airflow (blue color coded fans) N2K-C2248PQ-FAN
Port-side intake airflow (red color coded fans)
Cisco Nexus 2000 Series Hardware Installation Guide
1-26
Chapter 1 Using a Fabric Extender with a Cisco Nexus 5000 Series or Cisco Nexus 6000 Series Switch
Power Supplies for the Cisco Nexus 2200 and Cisco Nexus 2300 Platform Chassis
shows an AC power supply with port-side exhaust airflow.
shows an AC power supply with port-side intake airflow.
lists the power supplies that you can order with the Cisco Nexus 2200 and Cisco
Fan Trays for the Cisco Nexus 2248PQ FEX
Part Number
N2200-PDC-400W
N2200-PDC-350W-B
Figure 1-26 on page 1-22
"Power Specifications". To replace a power supply, see the
4-16.
Part Number
N2K-C2248PQ-FAN-B
Figure 1-24 on
Figure 1-25 on page 1-21
shows a blank
Table 1-8
shows a