Power Consumption; 8520-48Y - Extreme Networks 8520 Series Hardware Installation Manual

Power Consumption

higher speed. One fan can run at medium speed while the other can spin at high speed if one is close to
the temperature boundary.
Table 20: Fan Tray and Speed Variation
Description
Tray 1 Fan 1
Tray 1 Fan 2
Tray 2 Fan 1
Tray 2 Fan 2
Tray 3 Fan 1
Tray 3 Fan 2
Tray 4 Fan 1
Tray 4 Fan 2
Tray 5 Fan 1
Tray 5 Fan 2
Tray 6 Fan 1
Tray 6 Fan 2
* - The color of the tab on the fan tray indicates the airflow direction:
•
Red = Front-to-Back
•
Blue = Back-to-Front
Power Consumption
The following tables include power consumption information for the 8520 Series switches.

8520-48Y

The following tables provide AC and DC power consumption information for the 8520-48Y switch
models.
Table 21: AC IN: 220V
Item Test Mode Consumption (W)
1 Empty
Model
2 Standby
Model
64 Extreme 8520 Series Hardware Installation Guide
Operation Status
up
up
up
up
up
up
up
up
up
up
up
up
Dual Power
PSU1 PSU2
109 104
114 108
Operation Speed
high speed
medium speed
high speed
medium speed
high speed
medium speed
high speed
medium speed
high speed
medium speed
high speed
medium speed
Notes
Single Power
207
1. No fiber transceivers inserted
2. No port up link
3. 85% fan duty
216
1. All ports up link
2. 85% fan duty
Technical Specifications
Airflow Direction
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*
Unknown*