Lenovo Flex System EN4023, User Manual, Page: 35 / 74

Introduction 23
Locating the information panel, LEDs, and external ports
2
FIGURE 13
QSFP port LEDs
Table 5 identifies the SFP+ and QSFP port status LED information.
Ethernet port status LEDs
Two LEDs are integrated with the RJ-45 connector to indicate management port status. The upper
LED is the Tx/Rx (transmit and receive activity) indicator; the lower LED is the Link indicator, as
shown in
Figure 14 .
When a link is established, the Link LED appears as a steady green light. When there is activity, the
Link LED appears as a flashing green light.
The Tx/Rx LED appears as a steady green light when lit, which indicates a port speed of
100/1000 Mbps. If the Tx/Rx LED is not lit, port speed is 10 Mbps.
NOTE
Do not attach any devices to the RJ-45 connector other than a compatible cable.
1 Tx/Rx LED 2 Fault (!) LED
TABLE 5
SFP+ and QSFP port status LEDs
Tx/Rx LED Fault (!) LED Port status
Off Off Offline (no link)
Steady green Off Online (link up)
Flickering green Off Active (link activity)
N/A Steady amber Port fault