Qfx5200 Environmental Requirements And Specifications - Juniper QFX5200 Hardware Manual

QFX5200 Environmental Requirements and Specifications

The switch must be installed in a rack or cabinet. It must be housed in a dry, clean, well-ventilated, and
temperature-controlled environment.
Follow these environmental guidelines:
• The site must be as dust-free as possible, because dust can clog air intake vents and filters, reducing
the efficiency of the switch cooling system.
• Maintain ambient airflow for normal switch operation. If the airflow is blocked or restricted, or if the
intake air is too warm, the switch might overheat, leading to the switch temperature monitor shutting
down the device to protect the hardware components.
Table 27 on page 66 provides the required environmental conditions for normal switch operation.
Table 27: QFX5200 Switch Environmental Tolerances
Description
Altitude
Relative humidity,
operating
Model
QFX5200-32C and
QFX5200-32C-L
QFX5200-48Y
QFX5200-32C and
QFX5200-32C-L
QFX5200-48Y
Tolerance
No performance degradation to 6,562 feet
(2000 meters)
No performance degradation to 13,000 feet
(3,962 meters)
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.
Normal operation ensured in relative humidity range
of 5% through 93%, noncondensing for airflow out
(AFO) models and 10% through 93%,
noncondensing for airflow in (AFI) models
66