Juniper EX2300 Series Hardware Guide

Troubleshoong EX2300 Components
IN THIS SECTION
Understand Alarm Types and Severity Levels on EX Series Switches | 231
Chassis Component Alarm Condions on EX2300 Switches | 233
Check Acve Alarms with the J-Web Interface | 235
Monitor System Log Messages | 236
Troubleshoong PoE Voltage Injecon Failure in EX2300, EX3400, or EX4300 Switch Models with PoE
Capability | 243
Troubleshoong Storage Issues While Upgrading Junos OS in EX2300 and EX3400 Switches | 244
Troubleshoot Temperature Alarms in EX Series Switches | 246
Understand Alarm Types and Severity Levels on EX Series Switches
NOTE: This topic applies only to the J-Web Applicaon package.
Alarms alert you to condions that might prevent normal operaon of the switch. Before monitoring
alarms on a Juniper Networks EX Series Ethernet switch, become familiar with the terms dened in
Table 56 on page 231.
Table 56: Alarm Terms
Term Denion
alarm Signal alerng you to condions that might prevent normal operaon. On a switch, the
alarm signal is the ALM LED lit on the front of the chassis.
alarm condion Failure event that triggers an alarm.
231

Juniper EX2300 Series Specifications

General

Software	Junos OS
Model	EX2300
Ports	24 or 48 10/100/1000BASE-T ports
Uplinks	4 x 1GbE/10GbE SFP+/SFP uplinks
Power Supply	Internal or external power supply options
Rack Units	1U
PoE/PoE+ Ports	Available on some models (EX2300-C and EX2300)
Operating Temperature	0° to 45°C
Input Voltage	100 to 240 VAC
Layer 3 Features	RIP, OSPF, VRRP
Layer 2 Features	VLAN, STP, RSTP, MSTP, LACP
Security Features	802.1X, DHCP snooping
Management	CLI, Web UI, SNMP