Juniper QFX5100, Hardware Manual

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Table 14: QFX5100 Switch Environmental Tolerances (continued)
Tolerance Description
Normal operation ensured in relative humidity range of 5% through 90%,
noncondensing
• Short-term operation ensured in relative humidity range of 5% through 93%,
noncondensing
NOTE: As defined in NEBS GR-63-CORE, Issue 3, short-term events can be
up to 96 hours in duration but not more than 15 days per year.
Relative humidity
•
Normal operation ensured in temperature range of 32° F through 104° F (0° C
through 40° C)
• Nonoperating storage temperature in shipping container: –40° F through 158° F
(–40° C through 70° C)
Temperature
Designed to comply with Zone 4 earthquake requirements per NEBS GR-63-CORE,
Issue 3. Seismic
NOTE: Install QFX Series devices only in restricted areas, such as dedicated
equipment rooms and equipment closets, in accordance with Articles 110-16,
110-17, and 110-18 of the National Electrical Code, ANSI/NFPA 70.
Related
Documentation
Clearance Requirements for Airflow and Hardware Maintenance for a QFX5100 Switch
on page 53
•
•
Installing and Connecting a QFX5100 Switch on page 161
Planning a Virtual Chassis Fabric Deployment
A Virtual Chassis Fabric (VCF) architecture supports up to 20 interconnected devices
that are managed as a logical single device. Although the architecture has a powerful
auto-provisioning option, which allows you to plug and play the devices, careful planning
of the deployment can avoid unexpected results.
For example, if you perform any configuration level commands on one of the devices
(including assigning IP addresses or host names) you no longer can use auto-provisioning.
Use the following checklist to plan your deployment:
Table 15: Deployment Checklist
Date Performed By For More Information Item or Task
Components
Copyright © 2014, Juniper Networks, Inc. 48
QFX5100 Switch Hardware Guide