Juniper EX4200 User Manual

Table 58: 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 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
that complies with
the local code
Rear panel
of 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
that complies with
the local code
Rear panel
of 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
that complies with
the local code
Rear panel
of chassis
EX9214
Special Instructions to Follow Before Connecting Earth Ground to a Switch
Table 59 on page 174 lists the special instructions that you might need to follow before
connecting earth ground to a switch.
Table 59: 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 through 750-030xxx require 10-24x.25 in. screws.
EX3200
Copyright © 2015, Juniper Networks, Inc.174
EX4200 Switch Hardware Guide

Juniper EX4200 Specifications

General

Model	EX4200
Switching Capacity	128 Gbps
Layer	Layer 2 and Layer 3
Form Factor	1U
Throughput	96 Mpps
Maximum VLANs	4096
MAC Address Table Size	16, 000
DRAM	1 GB
Flash Memory	1 GB
Forwarding Rate	96 Mpps
JUNOS Software	Yes
Ports	24 or 48
Stacking	Up to 10 switches in a Virtual Chassis configuration
Power Supply	AC or DC
Management	CLI, SNMP, J-Web
Input Voltage	100-240 VAC or -48 VDC
Operating Temperature	0°C to 45°C
Redundancy	Redundant power supplies
Virtual Chassis Technology	Yes
Storage Temperature	-40°C to 70°C
Humidity	5% to 90% non-condensing