Airflow Through The Chassis - Juniper TCX1000-RDM20 Hardware Manual

TCX1000 Programmable ROADM Hardware Guide
Table 10: TCX1000-RDM20 Fan LED
Name Color
Fan LED (located Unlit
left side of fan)
Red

Airflow Through the Chassis

18
Figure 8: Fan Numbering
Fan module 0
Figure 9: Fan Module
NOTE: Both fan modules must be installed for optimal operation of the
TCX1000-RDM20, if there is only one fan than there will be no redundancy.
Each TCX1000-RDM20 has a fan LED located to the left of the fan.
shows the location of the LEDs on a TCX1000-RDM20. Use
interpret the state of the fan LEDs.
Figure 10: Fan LEDs
State
Off
On steadily
In the TCX1000-RDM-20 cooling system, cool air enters through the vents in the port
panel and hot air exhausts through the FRU panel. This type of airflow is known as airflow
out or port-to-FRU airflow. When the chassis is installed, it must be positioned so that
the FRUs are next to the hot aisle.
chassis.
Fan module 1
Table 10 on page 18
Description
Fan is operating normally.
Fan module has failed.
Figure 9 on page 18 shows the airflow through the
Copyright © 2019, Juniper Networks, Inc.
Figure 10 on page 18
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