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Table 17: Airflow Direction in AC Power Supply Models for OCX1100-48SX Switches
Model
OCX-800W-X-DC-AFO
OCX-800W-X-DC-AFI
Related
Documentation
Power Supply LEDs in OCX1100 Switches
Copyright © 2017, Juniper Networks, Inc.
To prevent electrical injury while installing or removing DC power supplies, carefully follow
instructions in
"Installing a DC Power Supply in an OCX1100 Switch" on page 79
"Removing a DC Power Supply from an OCX1100 Switch" on page
DC Power Supply Airflow
Each power supply has its own fan and is cooled by its own internal cooling system.
Each power supply has the label
power supply that indicates the direction of airflow in the power supply.
Table 17 on page 27
lists the DC power supply models and the direction of airflow in them.
Label on Power Supply
Direction of Airflow
AIR OUT (AFO)
Front-to-back—that is, air intake to cool the chassis is through the vents
on the front panel of the chassis and hot air exhausts through the vents
on the rear panel of the chassis.
Back-to-front—that is, air intake to cool the chassis is through the vents
AIR IN (AFI)
on the rear panel of the chassis and hot air exhausts through the vents
on the front panel of the chassis.
Power Supply LEDs in OCX1100 Switches on page 27
DC Power Supply Specifications for OCX1100 Switches on page 44
Installing a DC Power Supply in an OCX1100 Switch on page 79
Figure 15 on page 27
shows the location of the bicolor LED on an AC power supply for an
OCX1100 switch.
Figure 15: AC Power Supply LED in an OCX1100 Switch
1— Bicolor LED
AIR OUT (AFO)
or
AIR IN (AFI)
Chapter 4: Power Supplies
and
114.
on the faceplate of the
27
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