Juniper EX Series Complete Hardware Guide

Chapter 2
Preparing the Site for Switch Installation
■ Site Preparation Checklist on page 49
■ Rack or Cabinet Requirements on page 50
■ Clearance Requirements on page 52
■ Electrical and Power Requirements on page 54
■ Network Cable Specifications on page 57
■ Virtual Chassis Requirements on page 58
Site Preparation Checklist
■ Site Preparation Checklist for EX-series Switches on page 49
Site Preparation Checklist for EX-series Switches
The checklist in Table 24 on page 49 summarizes the tasks you need to perform
when preparing a site for switch installation.
Table 24: Site Preparation Checklist
DatePerformed ByFor More InformationItem or Task
Environment
Environmental Requirements
and Specifications for EX-series
Switches.
Verify that environmental factors such as
temperature and humidity do not exceed
switch tolerances.
Power
Measure distance between external power
sources and switch installation site.
Locate sites for connection of system
grounding.
“Power Specifications and
Requirements for an EX-series
Switch” on page 54
Calculate the power consumption and
requirements.
Hardware Configuration
Site Preparation Checklist ■ 49

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