CHAPTER 6
Preparation Overview
•
Site Preparation Checklist for EX4550 Switches on page 71
•
Environmental Requirements and Specifications for EX Series Switches on page 72
•
General Site Guidelines on page 76
•
Site Electrical Wiring Guidelines on page 77
•
Chassis Physical Specifications for EX4550 Switches on page 79
•
Rack Requirements for EX4550 Switches on page 79
•
Cabinet Requirements for EX4550 Switches on page 80
•
Clearance Requirements for Airflow and Hardware Maintenance for EX4550
Switches on page 81
Site Preparation Checklist for EX4550 Switches
The checklist in Table 39 on page 71 summarizes the tasks you need to perform when
preparing a site for EX4550 switch installation.
Table 39: Site Preparation Checklist
DatePerformed byFor More InformationItem or Task
Environment
“Environmental Requirements and
Specifications for EX Series
Switches” on page 72
Verify that environmental factors such as
temperature and humidity do not exceed switch
tolerances.
Power
Measure the distance between external power
sources and the switch installation site.
Locate sites for connection of system
grounding.
•
AC Power Supply Specifications
for EX4550 Switches on page 85
•
DC Power Supply Specifications
for EX4550 Switches on page 88
Calculate the power consumption and
requirements.
71Copyright © 2015, Juniper Networks, Inc.