Dell EMC PowerEdge C6420 Installation And Service Manual page 10

Table 3. QSFP port on OCP card indicator codes
Connection State
No link/Not Connected
InfiniBand Physical Link - No Logical Link Green
InfiniBand Logical Link - No Traffic
InfiniBand Logical Link - Traffic
InfiniBand Physical Link Issue
Ethernet Link - No Traffic
Ethernet - Traffic
NOTE: The LED blink speed varies according to the traffic bandwidth.
Figure 4. Ethernet port indicator codes
1. Speed indicator
2. Link and activity indicator
Table 4. Ethernet port indicator codes
Convention Status
A Link and activity indicators are off The NIC is not connected to the network.
B Link indicator is green
C Link indicator is amber
D Activity indicator is flashing green Network data is being sent or received.
10 Dell EMC PowerEdge C6420 overview
QSFP Upper green LED
Off
Green
Green
Blink
Green
Green
Condition
The NIC is connected to a valid network at its maximum port speed.
The NIC is connected to a valid network at less than its maximum port
speed.
QSFP Lower green LED
Off
Off
Green
Blink
Green
Green
Blink