Specification
Item
-40° to 167°F (-40° to 75°C)
Nonoperating and storage
temperature
Hot to cold—at a maximum rate of 86°F (30°C) per hour
Cold to hot—at maximum rate of 204.8°F (96°C) per hour
Thermal transition
Operating, nonoperating and storage —10 to 95 percent
Humidity (RH), ambient
(noncondensing)
-60 to 3000m
Altitude (operating and
nonoperating)
LpAD—57 dBA
LwAD—no greater than 7.2 Bels
This is with four power supply modules installed and delivering 50 percent of
rated output power; measured according to International Organization for
Standardization (ISO) 7779 and declared according to ISO 9296.
Sound pressure level
(LpAD) and sound power
level (LwAD)
• Chassis (airflow direction when facing the front of the chassis)
• Standard Rack Mount (With or without shelf brackets)—Right to left
• NEBS-Compliant Rack Mount—Front to back
• Power supply—Front to back
Airflow
Operating—5G 11ms (Half-sine)
Nonoperating and storage— 15G 11ms (Half-sine)
Shock
• Operating— 0.15G (10Hz-500Hz)
• Nonoperating and storage— 0.8G (10Hz-500Hz)
Sine Vibration
Slope
Acceleration Spectral
Density
Spectral Break Point
Frequencies
Random Vibration
(Operating)
6 db /octave
-
2.5 – 5 Hz
-
0.1 [(m/s²)²]/Hz
(0.001 g²/Hz)
5 – 100 Hz
24 db /octave
-
100 – 200 Hz
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
144
Specifications
Catalyst 9404R Switch Chassis Specifications
