quick flashing RUN LED indicates that the card is in the process of startup rather than operating
correctly. The ALM LED will be on for a period of time at the initial phase of the system startup.
MPU active/standby status LED (ACTIVE)
The MPUs provide the active/standby status LED (ACTIVE) to indicate the status (active or standby) of the
MPUs.
Table 66 MPU active/standby status LED description
LED LED status Descri
ACTIVE
On The MPU is active.
Off
This status has occurred in the following cases:
• The MPU is in standby status.
• The MPU is faulty. Check the card LED to determine whether the MPU is faulty.
CF card status LED (CFS)
The MPUs provide a CF card status LED (CFS) to indicate the status of the CF card.
Table 67 CF card status LED description
LED LED status Descri
CFS
On The CF card is in position.
Off The CF card is absent or is damaged.
RJ-45 Ethernet port LED
The MPUs provide RJ-45 Ethernet port LEDs to indicate the link status and data receiving/forwarding
status of the corresponding Ethernet ports.
Table 68 RJ-45 Ethernet port LED description
LED LED status Descri
RJ-45 Ethernet port
LED
Flashing The Ethernet port is receiving or sending data.
On A link is present.
Off No link is present.
Combo interface status LED
A combo interface comprises an SFP port and an RJ-45 Ethernet port. Only one port of a combo
interface can work at a time. The MPUs provide a combo interface status LED to indicate the link status
and data receiving/forwarding status of the corresponding combo interface.
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