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Power LEDs
© Copyright Lenovo 2017
On the front of the switch, the Power LED on the management panel indicates the
general status of the power supplies. The LED flashes when only one power cord is
connected, and is steady when both power cords are connected (see "System Status
LEDs" on page
24).
Additional LED indicators are located on the rear panel of the switch, on the
individual power supply modules. The following table describes the power supply
module LED behavior.
Table 7.
Power supply module status LED behavior
LED
State
Power
Off
Blink Green
Solid Green
Blink Amber
Solid Amber
Functional Meaning
No AC power is present.
Power supply has AC power and is in standby mode.
Power supply is on and operational.
Power supply warning event (continuing operation): high
temperature, high power, high current, or slow power
supply fan.
Power supply shutdown from critical event: power supply
failure, over‐voltage, over‐current, over‐temperature,
power supply fan failure, AC cord unplugged.
Chapter 2: Switch Components
31
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