5-3
Item
Specifications
Operating humidity
5% to 90%
Maximum altitude
5000 m (16404.20 ft)
Redundancy
Yes
Cold backup
Yes
4
LEDs
Table4-1 Power supply LED description
LED status
Description
Steady green
The power supply is operating correctly.
Flashing green (1 Hz)
Power is being input correctly but the system is not powered on.
Flashing green (0.33 Hz)
The power supply is in standby state and does not output power.
Flashing green (2 Hz)
The power supply is updating its firmware.
Steady amber
•
The power supply is faulty.
•
The power supply does not have power input, but the other
power supply has correct power input.
Flashing amber (1 Hz)
An alarm has occurred on the power supply.
Off
No power supplies have power input, which can be caused by an
incorrect power cord connection or power source shutdown.
5
Installing and removing the power
supply
For information about installing and removing the power supply, see the user guide for the device.
