NOTE:
Before the active MPU starts up, all card status LEDs are off. The tables describe the card LED
status after the active MPU starts up.
MPU active/standby state LED
The ACTIVE LED indicates the active or standby operating mode of the MPU.
Table 8-7 MPU active/standby state LED description
LED mark
ACTIVE
QSFP28 port LEDs
An LSUM1MPUS10XEB0 MPU provides a LED for each QSFP28 port to indicate their link status
and data sending and receiving status.
Table 8-8 QSFP28 port LED description
LED status
Flashing
On
Off
Service module LEDs
RJ-45 Ethernet port LEDs
The service modules provide a LED for each RJ-45 Ethernet port to indicate their link status and data
receiving/forwarding status.
Table 8-9 RJ-45 Ethernet port LED description
LED status
Flashing yellow
Flashing green
Steady yellow
Steady green
Off
LED Status
On
Off
Description
The QSFP28 port is sending or receiving data.
A link is present on the QSFP28 port.
No link is present on the QSFP28 port.
Description
The Ethernet port is receiving or sending data at 100/1000 Mbps.
The Ethernet port is receiving or sending data at 10 Gbps.
A 100/1000 Mbps link is present.
A 10 Gbps link is present.
No link is present.
8-4
Description
The MPU is operating in active mode.
•
The MPU is operating in standby mode.
•
The MPU is faulty. Examine also the status LED
for the MPU to determine whether a fault has
occurred.