Juniper EX4200 Series User Manual

CHAPTER 4
Site Preparation
•
Site Preparation Checklist for EX3200 and EX4200 Switches on page 87
•
General Site Guidelines for EX Series Switches on page 89
•
Site Electrical Wiring Guidelines for EX Series Switches on page 89
•
Environmental Requirements and Specifications for EX Series Switches on page 90
Site Preparation Checklist for EX3200 and EX4200 Switches
The checklist in Table 25 on page 87 summarizes the tasks you need to perform when
preparing a site for EX3200 or EX4200 switch installation.
Table 25: Site Preparation Checklist
DatePerformed ByFor More InformationItem or Task
Environment
“Environmental Requirements and
Specifications forEX Series Switches”
on page 90
Verify that environmental factors such as
temperatureand 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 for EX3200
and EX4200 Switches” on page 101
Calculate the power consumption and
requirements.
Hardware Configuration
“EX3200 and EX4200 Switches
Hardware Overview” on page 3
Choose the number and types of switches you
want to install.
Rack or Cabinet
87Copyright © 2010, Juniper Networks, Inc.

Juniper EX4200 Series Specifications

General

Switching Capacity	128 Gbps
Ports	24 or 48 10/100/1000BASE-T ports
Virtual Chassis	Up to 10 switches
Layer 3 Routing	Yes
Maximum VLANs	4096
DRAM	1 GB
Flash Memory	1 GB
Humidity	5% to 90% non-condensing
Power Supply	AC or DC options
MAC Address Table Size	32, 000 entries
Operating Temperature	0°C to 45°C
Layer 2 Features	VLAN, STP, RSTP, MSTP, LACP
Management	CLI, Web UI, SNMP
Storage Temperature	-40°C to 70°C
Input Voltage	AC: 100-240V; DC: -48V