Juniper EX4300 Hardware Guide

Table 87: Parts and Tools Required for Connecting an EX Series Switch to Earth
Ground (continued)
Additional
InformationScrewdriver
Screws and
Washers
Grounding Lug
Specifications
Grounding Cable
Requirements
Earthing
Terminal
LocationSwitch
See “Special
Instructions
to Follow
Before
Connecting
Earth Ground
to a Switch”
on page 182.
Phillips (+)
number 2
•
Two ¼-20 x 0.5 in.
screws with #¼”
split-washer
—provided
•
Two #¼” flat
washers—
provided
Panduit
LCD2-14A-Q or
equivalent
—provided
2 AWG (33.6
mm²), minimum
60°C wire, or as
permitted by the
local code
Two
earthing
terminals:
•
Left side
of the
chassis
•
Rear
panel of
the
chassis
EX8216
See
Grounding
Cable and
Lug
Specifications
for EX9200
Switches.
Phillips (+)
number 2
•
Two ¼-20 x 0.5 in.
screws with #¼”
split-washer—
provided
•
Two #¼” flat
washers—
provided
Thomas&Betts
LCN6-14 or
equivalent—
provided
One 6 AWG (13.3
mm²), minimum
60°C wire, or one
thatcomplieswith
the local code
Rear panel
of the
chassis
EX9204
See
Grounding
Cable and
Lug
Specifications
for EX9200
Switches.
Phillips (+)
number 2
•
Two ¼-20 x 0.5 in.
screws with #¼”
split-washer—
provided
•
Two #¼” flat
washers—
provided
Thomas&Betts
LCN6-14 or
equivalent—
provided
One 6 AWG (13.3
mm²), minimum
60°C wire, or one
thatcomplieswith
the local code
Rear panel
of the
chassis
EX9208
See
Grounding
Cable and
Lug
Specifications
for EX9200
Switches.
Phillips (+)
number 2
•
Two ¼-20 x 0.5 in.
screws with #¼”
split-washer—
provided
•
Two #¼” flat
washers—
provided
Thomas&Betts
LCN6-14 or
equivalent—
provided
One 6 AWG (13.3
mm²), minimum
60°C wire, or one
thatcomplieswith
the local code
Rear panel
of the
chassis
EX9214
Special Instructions to Follow Before Connecting Earth Ground to a Switch
Table 88 on page 182 lists the special instructions that you might need to follow before
connecting earth ground to a switch.
Table 88: Special Instructions to Follow Before Connecting Earth Ground to a Switch
Special InstructionsSwitch
NOTE: Some early variants of EX3200 switches for which the Juniper Networks model number on the label
next to the protective earthing terminal is from 750-021xxx through750-030xxx require 10-24x.25 in. screws.
EX3200
Copyright © 2017, Juniper Networks, Inc.182
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