Juniper QFX5110 Series User Manual

Table 134: QFX3500 Chassis Alarm Messages (continued)
Recommended ActionCLI MessageAlarm TypeComponent
The power supply airflow direction is
the opposite of the chassis airflow
direction. Replace the power supply
with a power supply that supports the
same airflow direction as the chassis.
PEM pem-number Airflow not
matching Chassis Airflow
Major (red)Power Supplies
Check the system log for one of the
following messages and report the
error message to customer support:
•
I2C Read failed for device number,
where number may be from 123 to
125.
•
PS number: Transitioning from
online to offline, where power
supply (PS) numbermay be 1 or 2.
PEM pem-number I2C Failure
Indicates a power supply problem, or
the power supply is not supported on
the device. Report the problem to
customer support.
PEM pem-number is not supported
Indicates a problem with the incoming
AC or outgoing DC power. Replace
the power supply.
PEM pem-number Not OK
634

Juniper QFX5110 Series Specifications

General

Rack Units	1U
Operating System	Junos OS
Form Factor	Fixed
Management	CLI, SNMP, NETCONF
Operating Temperature	32°F to 104°F (0°C to 40°C)
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Humidity	5% to 90% non-condensing
AC Power Input	100-240 VAC
Power Supply	Redundant, hot-swappable