H3C Technologies H3C S10500 Series Switches - Manual (Page 95)

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The LEDs on the LSUM1MPU06B0 and LSUM1MPU10C0 MPUs are similar. Figure 69 uses the
LSUM1MPU06B0 MPU as an example.
Figure 69 LEDs on the LSUM1MPU06B0 MPU
(1) Management Ethernet port LEDs (2) Fan tray status LEDs
(3) Power module status LEDs (4) LPU status LEDs
(5) MPU active/standby status LED
Management Ethernet port LEDs
The LSU1SUPB0 MPU uses the LINK and ACT LEDs to indicate the link status and data forwarding status
of the management Ethernet port.
Table 38 Management Ethernet port LED description for the LSU1SUPB0 MPU
LINK LED status ACT LED status Description
On Flashing
A link is present, and the management Ethernet port is receiving
or sending data.
On Off A link is present.
Off Off No link is present.
The LSUM1MPU06B0 and LSUM1MPU10C0 MPUs use the LINK/ACT LED to indicate the link status and
data forwarding status of the management Ethernet port.
Table 39 Management Ethernet port LED description for the LSUM1MPU06B0 and LSUM1MPU10C0
MPUs
LINK/ACT LED Status Description
Flashing green
A link is present, and the management Ethernet port is receiving or
sending data.
Steady green A link is present.
Off No link is present.
Fan tray status LEDs
The LSU1SUPB0 MPU provides a set of LEDs (OK and FAIL) for each of the two fan trays (FAN0 and
FAN1).
The LSUM1MPU06B0 and LSUM1MPU10C0 MPUs each provide one set of LEDs (OK and FAIL) to
indicate the status of the fan tray (FAN).