Juniper EX3300 Complete Hardware Guide

Table 32: 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 102.
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
chassis
•
Rear
panel of
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
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 33 on page 102 lists the special instructions that you might need to follow before
connecting earth ground to a switch.
Table 33: 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.102
Complete Hardware Guide for EX3300 Ethernet Switches

Juniper EX3300 Specifications

General

Ethernet LAN	Yes
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Ethernet interface type	Gigabit Ethernet
Number of VLANs	4096
Networking standards	IEEE 802.1ab, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3x, IEEE 802.3z
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Console port	-
ExpressCard slot	No
Fiber ports quantity	4
USB 2.0 ports quantity	0
Basic switching RJ-45 Ethernet ports quantity	48
Throughput	130 Mpps
Number of queues	8
MAC address table	16000 entries
Maximum data transfer rate	176 Gbit/s
Supported data transfer rates	10, 100, 1000Mbps
Switch type	Managed
Switch layer	L2
Security algorithms	SSH-2
Power source	AC
AC input voltage	100 - 240 V
Power consumption (typical)	100 W
Form factor	1U
Product color	Black
Flash memory	1024 MB
Processor frequency	1000 MHz
Compatible operating systems	Junos
Operating altitude	0 - 3049 m
Non-operating altitude	0 - 4877 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 85 %
Supported network protocols	IPv6

Weight and Dimensions

Depth	310 mm
Width	437 mm
Height	44 mm
Weight	4900 g