Installation Manual
H3C S7500E Series Ethernet Switches
Chapter 7 Troubleshooting
7-4
Table 7-2
Description of LEDs on the PSR1400-D
Case
LED
Color
Status
INPUT
OFF
The power input is normal.
OUTPUT
OFF
No power is output.
FAN
OFF
A fan does not rotate.
The power module is
connected but the
SYSTEM power switch is
turned off.
PoE
OFF
No PoE is output.
INPUT
Green
The power input is normal.
OUTPUT
Green
The power output is normal.
FAN Green
The power module fan works
normally.
The power module is
connected and the
SYSTEM power switch is
turned on, but the PoE
switch is turned off.
PoE
OFF
No PoE is output.
INPUT
Green
The power input is normal.
OUTPUT
Green
The power output is normal.
FAN Green
The power module fan works
normally.
The power module is
connected, and the
SYSTEM power switch
and PoE switch are
turned on.
PoE
Green
PoE is output.
INPUT
Green
The power input is normal.
OUTPUT Red
The power module goes into the
self-protection state.
FAN
Green
The power module fan works
normally.
There is a short circuit,
over-current, or
over-voltage on the
output circuit.
PoE
OFF
No PoE is output.
INPUT
Green
The power input is normal.
OUTPUT Red
The power module goes into the
self-protection state.
FAN
Green
The power module fan works
normally.
The power module is
over-temperature
protected.
PoE
OFF
No PoE is output.
INPUT
Green
The power input is normal.
OUTPUT
Green
The power output is normal.
FAN
Red
The power module fan is faulty.
The fan tray is faulty.
PoE
OFF
No PoE is output.
On the SRPUs, there are also LEDs indicating the working status of the power modules.
For details, refer to related description about the power LEDs on the SRPUs other than
the LSQ1MPUA0 in Chapter 1 “Product Overview”.