Juniper EX Series Complete Hardware Guide

5. Using both hands, place the power supply in the power supply slot on the rear
panel of the switch and slide it in until it is fully seated.
NOTE: The handle on the 320 W power supply used in an EX-series switch is at the
bottom while the handle on the 600 W or 930 W power supply used in an EX-series
switch is at the top.
6. Push the locking lever up to its highest position (this action might pull the power
supply in).
7. Tighten the locking lever screw by using a Phillips (+) screwdriver, number 2.
Figure 61: Installing a Power Supply in an EX-series Switch
NOTE: Each power supply must be connected to a dedicated power source outlet.
Related Topics ■ Removing a Power Supply from an EX-series Switch on page 108
■ Installing and Removing EX-series Switch Hardware Components on page 100
■ Power Supply in EX 3200 and EX 4200 Switches on page 27
■ Field-Replaceable Units in EX-series Switches on page 99
■ AC Power, Connection, and Power Cord Specifications on page 56
■ EX 3200 Switch—Rear-Panel Description on page 10
■ EX 4200 Switch—Rear-Panel Description on page 12
Removing a Power Supply from an EX-series Switch
The power supply in EX-series switches is a hot-removable and hot-insertable
field-replaceable unit (FRU) located on the rear panel.
108 ■ Removing a Power Supply from an EX-series Switch
Complete Hardware Guide for EX 3200 and EX 4200 Switches

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