Checking The Hardware Version Of The Rear Fan Tray - Juniper T4000 Hardware Manual

Checking the Hardware Version of the Rear Fan Tray

Copyright © 2018, Juniper Networks, Inc.
If two RE-DUO-C1800-8G Routing Engines are not installed, order and install
2.
RE-DUO-C1800-8G Routing Engines.
The rear fan tray model number FAN-REAR-TXP-LCC has eight fans and is required to
support the additional thermal power generation of the T4000 router.
The following fan trays do not provide sufficient cooling for the T4000 router:
RHTREARTRAY-T
FAN-REAR-TX-T640
FAN-R
FAN-REAR-T
To determine which version of the rear fan tray is installed:
Issue the
1. show chassis environment
In this example, the output shows that the rear fan tray has five blowers, indicating
that the RHTREARTRAY-T rear fan tray is installed. The last five lines of the output
for the fans each include
user@host> show chassis environment
Fans Top Left Front fan
Top Left Middle fan
Top Left Rear fan
Top Right Front fan
Top Right Middle fan
Top Right Rear fan
Bottom Left Front fan
Bottom Left Middle fan
Bottom Left Rear fan
Bottom Right Front fan
Bottom Right Middle fan
Bottom Right Rear fan
Fourth Blower from top
Bottom Blower
Middle Blower
Top Blower
Second Blower from top
In this example, the output shows that the rear fan tray has eight fans, indicating that
FAN-REAR-TX-T640-S rear fan tray is installed. The last eight lines of the output for
the fans each begin with
Fans Top Left Front fan
Top Left Middle fan
Top Left Rear fan
Top Right Front fan
Top Right Middle fan
Top Right Rear fan
Bottom Left Front fan
Bottom Left Middle fan
Bottom Left Rear fan
Chapter 25: Upgrading to a T4000 Router From a T640 or T1600 Router
command:
Blower in the description.
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
Rear Tray and include fan
OK
OK
OK
OK
OK
OK
OK
OK
OK
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
in the description.
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
Spinning at normal speed
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