Juniper EX Series Complete Hardware Guide

■ Cooling System in an EX 3200 Switch on page 30
■ Power Supply in EX 3200 and EX 4200 Switches on page 27
■ Preventing Electrostatic Discharge Damage on page 138
■ Connecting Earth Ground to an EX-series Switch on page 78
■ Installing and Removing EX-series Switch Hardware Components on page 100
EX 4200 Switch—Front-Panel Description
The front panel of the EX 4200 switch consists of the following components:
■ Network ports—depending on the switch model, either of:
■ 10/100/1000 Base-T Gigabit Ethernet ports, some or all of which are enabled
for Power over Ethernet (PoE)
■ 100Base-FX/1000Base-X SFP transceivers for use with fiber-optic connections
■ Optional uplink module provides SFP or XFP ports
■ LCD panel and the LCD navigation buttons
■ Front-panel LEDs
Figure 4 on page 11 shows the front panel of an EX 4200 switch with 48 Gigabit
Ethernet ports. Figure 5 on page 11 shows the front panel of an EX 4200 switch with
24 Gigabit Ethernet ports. Figure 6 on page 12 shows the front panel of an
EX 4200-24F switch with 24 SFP ports for use with fiber-optic connectors.
Figure 4: EX 4200 Switch with 48 Gigabit Ethernet Ports
Figure 5: EX 4200 Switch with 24 Gigabit Ethernet Ports
EX 3200
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Network ports
LCD panel
Uplink module
Menu button
Enter button
LEDs
ALM
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EX 4200 Switch—Front-Panel Description ■ 11
Chapter 1: Switch Overview

Juniper EX Series Specifications

General

Series	EX Series
Category	Switch
Layer	Layer 2/3
Operating System	Junos OS
Managed	Yes
ACLs	Yes
Port Density	Varies by model
Power over Ethernet (PoE)	Available on some models
Virtual Chassis	Supported on some models
Form Factor	Fixed configuration, Modular
Switching Capacity	Varies by model
Forwarding Rate	Varies by model
Power Supply	Varies by model (AC or DC, redundant options available)
Management	CLI, Web UI, SNMP
Redundancy	Power supply, fan, Virtual Chassis
Latency	Varies by model
Jumbo Frames	Supported
VLAN Support	Yes
MAC Address Table Size	Varies by model
QoS	Yes
Energy Efficiency	EEE (802.3az)
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	0° to 45° C
Storage Temperature	-40° to 70° C
Humidity	5% to 90% non-condensing
MTBF	Varies by model
Warranty	Limited Lifetime