Juniper EX4300 Hardware Guide

Connecting Earth Ground to an EX Series Switch
To connect earth ground to a switch:
1. Connect one end of the grounding cable to a proper earth ground, such as the rack in
which the switch is mounted.
2. Place the grounding lug attached to the grounding cable over the protective earthing
terminal. See Figure 49 on page 184.
Figure 49: Connecting a Grounding Cable to an EX Series Switch
3. Secure the grounding lug to the protective earthing terminal with the washers and
screws.
4. Dress the grounding cable and ensure that it does not touch or block access to other
switch components.
WARNING: Ensure that the cable does not drape where people could trip
over it.
Related
Documentation
Connecting AC Power to an EX2200 Switch•
• Connecting DC Power to an EX2200 Switch
• Connecting AC Power to an EX2300 Switch
• Connecting AC Power to an EX3200 Switch
• Connecting DC Power to an EX3200 Switch
• Connecting AC Power to an EX3300 Switch
• Connecting DC Power to an EX3300 Switch
• Connecting AC Power to an EX3400 Switch
• Connecting AC Power to an EX4200 Switch
• Connecting DC Power to an EX4200 Switch
Copyright © 2017, Juniper Networks, Inc.184
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