Juniper EX4300 Series User Manual

Chassis Component Alarm Condions on EX4300 Switches
This topic describes the chassis component alarm condions on EX4300 switches.
Table 90 on page 322 lists the alarms that the chassis components can generate on EX4300 switches,
their severity levels, and the acons you can take to respond to them.
Table 90: Chassis Component Alarm Condions on EX4300 Switches
Chassis Component Alarm Condion Alarm Severity Remedy
Power supplies A power supply has
been removed from
the chassis.
Minor (yellow
or amber)
Install a power supply in the empty slot.
A power supply
output has failed.
Major (red) Check power supply output connecon.
A power supply has
failed.
Major (red) Replace the failed power supply.
An unknown power
supply is installed.
Major (red) Install a power supply recommended by Juniper
Networks.
Mix of power
supplies with
dierent airow
direcons.
Major (red) Do not mix power supplies with dierent
direcons for the airow in the same chassis.
Mix of fan modules
and power supplies
with dierent
airow direcons.
Major (red) Do not mix fan modules and power supplies
with dierent direcons for the airow in the
same chassis.
Fan modules Fan module is not
installed.
Major (red) Install the fan module.
A fan module has
failed.
Major (red) Replace the fan module.
322

Juniper EX4300 Series Specifications

General

Product Series	EX4300 Series
Power Consumption	Varies by model and configuration
Virtual Chassis Technology	Up to 10 switches
Software	Junos OS
Ports	24-port and 48-port models
10GBASE SFP+ Ports	Up to 8 ports
40GBASE QSFP+ Ports	2
Uplink Ports	Up to 4 ports
Jumbo Frames	Up to 9216 bytes
Operating Temperature	0°C to 45°C
Relative Humidity	5% to 90% noncondensing
Input Voltage	100 to 240V AC
Power Supply	AC or DC
Power Supply Options	AC or DC
Stacking	Yes
Layer 2 Features	Includes VLAN, STP, RSTP, MSTP, LACP
Layer 3 Features	OSPF, BGP
Management	CLI, Web GUI, SNMP
Security Features	DHCP snooping
QoS	8 queues per port, DSCP
Storage Temperature	-40°C to 70°C