H3C Technologies H3C S10500 Series Switches - Manual (Page 97)

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RUN LED status ALM LED status Description
Flashing (0.5
Hz) Flashing (0.25
Hz) The card temperature exceeds the upper warning threshold or falls
below the lower warning threshold.
On On The card is booting or faulty.
On Off The MPU is starting up.
Off Off The card is not in position.
NOTE:
•
When the RUN LED flashes 4 times per second, the card is loading software. If the RUN LED flashes in
this state continuously, the card is not compatible with the switch software.
• Before the active MPU starts up, all card LEDs are off. The tables describe the card LED status after the
active MPU starts up.
• The ALM LED for an LPU lights for a period of time at the initial phase of the system startup.
MPU active/standby status LED
Each MPU has one ACTIVE LED to indicate the active or standby status of the MPU.
Table 44 MPU ACTIVE LED description
Status Description
On The MPU is active.
Off
• The MPU is in standby status.
• The MPU is faulty. Examine the card LED for an MPU problem.
LPU LEDs
RJ-45 Ethernet port LED
The LPUs provide RJ-45 Ethernet port LEDs to indicate the link status and data receiving/forwarding status
of the Ethernet ports.
Table 45 RJ-45 Ethernet port LED description
LED status Description
Flashing yellow The Ethernet port is receiving or sending data at 100/1000 Mbps.
Flashing green The Ethernet port is receiving or sending data at 10 Gbps.
Steady yellow A 100/1000 Mbps link is present.
Steady green A 10 Gbps link is present.
Off No link is present.
SFP port LED
The LPUs provide one SFP port LED for each SFP port to indicate the link status and data
receiving/forwarding status of the SFP ports.