H3C Technologies H3C S7500E Series Switches - Manual (Page 125)

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LED Status Description
PoE
Green The PoE power is output correctly.
Red
A PoE power output problem has occurred because the PoE output voltage is
out of the rated voltage range.
Off
No PoE power is output because one of the following conditions exists:
This status has occurred in the following cases:
• The power module is faulty.
• The power cord is disconnected.
• The external power supply is unavailable.
• The system power output switch is turned off.
PSR2800-ACV
The PSR2800-ACV power module provides five red-green status LEDs.
Table 69 PSR2800-ACV power module LED description
LED Status Description
INPUT
Green The power is input correctly.
Red
A power input problem has occurred because the input voltage is out of the
rated voltage range.
Off
No power is input because one of the following conditions exists:
• The power module is faulty.
• The system input power cord is disconnected.
• The external power supply is unavailable.
OUTPUT
Green The power is output correctly.
Red
A power output problem has occurred because one of the following
conditions exists:
• The power module generates an alarm and enters the protection state
because of input under-voltage, output short-circuit, output over-current,
output over-voltage, or over temperature.
• The system power switch is turned off.
Off
No power is output because one of the following conditions exists:
• The power module is faulty.
• The system input power cord is disconnected.
• The external power supply is unavailable.
FAN
Green The fans are operating correctly.
Red
The fans are operating incorrectly because one of the following conditions
exists:
• A fan failure has occurred.
• The system power switch is turned off.