Maintaining Components; Maintaining The Mx104 Cooling System; Chapter 25 Maintaining Components - Juniper MX104 Hardware Manual

CHAPTER 25

Maintaining Components

Maintaining the MX104 Cooling System

Purpose
Action
Copyright © 2017, Juniper Networks, Inc.
Maintaining the MX104 Cooling System on page 189
Maintaining the MX104 Air Filter on page 190
Maintaining Cables That Connect to MX104 Network Ports on page 191
Maintaining the MX104 MICs and Network Ports on page 192
Maintaining the MX104 Routing Engines on page 192
For optimum cooling, verify the condition of the fans.
The router has a single fan tray that installs into the front of the chassis, as shown in
"MX104 3D Universal Edge Router Overview" on page
To check the status of the fans in the fan tray, issue the
command. The output includes an entry for each fan in the fan tray:
user@host> show chassis environment
Class Item
Temp PEM 0
PEM 1
ABB 0 Intake
ABB 0 Exhaust A
ABB 0 Exhaust B
ABB 1 Intake
ABB 1 Exhaust A
ABB 1 Exhaust B
Routing Engine 0
Routing Engine 0 CPU
Routing Engine 1
Routing Engine 1 CPU
AFEB 0 AFEB Processor
AFEB 0 LU Temp
AFEB 0 MQ Temp
AFEB 0 QX Temp
Pic PIC 0/0 Channel 0
PIC 0/0 Channel 1
PIC 0/0 Channel 2
PIC 0/0 Channel 3
PIC 0/0 Channel 4
PIC 0/0 Channel 5
3.
show chassis environment
Status Measurement
OK 27 degrees C / 80 degrees F
OK 18 degrees C / 64 degrees F
OK 29 degrees C / 84 degrees F
OK 34 degrees C / 93 degrees F
OK 36 degrees C / 96 degrees F
OK 29 degrees C / 84 degrees F
OK 34 degrees C / 93 degrees F
OK 36 degrees C / 96 degrees F
OK 31 degrees C / 87 degrees F
OK 39 degrees C / 102 degrees F
Present
Present
OK 28 degrees C / 82 degrees F
OK 40 degrees C / 104 degrees F
OK 38 degrees C / 100 degrees F
OK 40 degrees C / 104 degrees F
OK 40 degrees C / 104 degrees F
OK 40 degrees C / 104 degrees F
OK 39 degrees C / 102 degrees F
OK 39 degrees C / 102 degrees F
OK 39 degrees C / 102 degrees F
OK 28 degrees C / 82 degrees F
189