Table 90: Chassis Component Alarm Conditions On Ex4300 Switches - Juniper EX4300 Hardware Manual

Copyright © 2017, Juniper Networks, Inc.

Table 90: Chassis Component Alarm Conditions on EX4300 Switches

Chassis Component Alarm Condition
Power supplies A power supply has
been removed from
the chassis.
A power supply
output has failed.
A power supply has
failed.
An unknown power
supply is installed.
Mix of power supplies
with different airflow
directions.
Mix of fan modules
and power supplies
with different airflow
directions.
Fan modules Fan module is not
installed.
A fan module has
failed.
Mix of fan modules
with different airflow
directions.
Mix of fan modules
and power supplies
with different airflow
directions.
Chapter 21: Alarms and Syslog Messages
Alarm Severity Remedy
Minor (yellow) Install a power supply
in the empty slot.
Major (red) Check power supply
output connection.
Major (red) Replace the failed
power supply.
Major (red) Install a power supply
recommended by
Juniper Networks.
Major (red) Do not mix power
supplies with different
directions for the
airflow in the same
chassis.
Major (red) Do not mix fan
modules and power
supplies with different
directions for the
airflow in the same
chassis.
Major (red) Install the fan module.
Major (red) Replace the fan
module.
Major (red) Do not mix fan
modules with
different directions for
the airflow in the
same chassis.
Major (red) Do not mix fan
modules and power
supplies with different
directions for the
airflow in the same
chassis.
271