Juniper EX4300 Hardware Guide

Figure 24: LEDs on the SFP+ Uplink Ports and on the SFP+ Uplink Module
Ports on the 4-Port SFP+ Uplink Module
2—1— Status LEDLink activity LED
Figure 25: LEDs on the QSFP+ Uplink Module Ports
3—1— Status LED of the uplink module portStatus LED of the uplink module
2—Link activity LED of the uplink module port
Figure 26: LEDs on the SFP+ Ports on the 8-Port SFP+ Uplink Module
4—1— Status LED the lower portStatus LED of the uplink module
5—2— Status LED the upper portLink activity LED of the lower port
3—Link activity LED of the upper port
The Table 20 on page 40 describes the link activity LED on 10/100/1000BASE-T network
ports, SFP network ports, SFP+ uplink ports, SFP+ uplink module ports, built-in QSFP+
ports, and QSFP+ uplink module ports.
Table 20: Link/Activity LED
State and DescriptionColorLED
•
Blinking—The port and the link are active, and there is link activity.
•
On steadily—The port and the link are active, but there is no link activity.
•
Off—The port is not active.
GreenLink activity
Copyright © 2017, Juniper Networks, Inc.40
EX4300 Switch Hardware Guide

Juniper EX4300 Specifications

General

Model	EX4300
Virtual Chassis	Yes, up to 10 members
Layer 3 Routing	Yes
10GBASE SFP+ Ports	4
Jumbo Frames	9216 bytes
MAC Address Table Size	32, 000
Operating System	Junos OS
Uplink Ports	4 x 10GBASE SFP+
Power Supply	AC or DC options
Operating Temperature	0°C to 45°C (32°F to 113°F)
Input Voltage	100-240V AC
Operating Relative Humidity	5 to 90% RH, non-condensing
Management Options	CLI, Web UI, Junos Space
Redundancy	Yes, power supply and fans
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Ports	24 or 48