Juniper QFX5120 Series Hardware Manual page 36

Table 8: Link/Activity LED on the Management Port on QFX5120 Switches (continued)
LED Color
Status Green/Amber
Network Port LEDs on QFX5120 Switches
Each network port and QSFP28 port have two LEDs that show the link activity and status of the port.
Each QSFP28 on a QFX5120-32C switch has four LEDs. The first LED is for non-channelized ports and
the other three are for channelized ports.The built-in QSFP28 port on a QFX5120-48Y switch has four
LEDs that shows both the link activity and status of the port in a QFX5120-48Y switch.
Figure 17 on page 38 shows the LEDs on the QSFP28 network ports on QFX5120-32C.
Figure 17: LEDs on the QSFP28 Network Ports (QFX5120-32C)
Bi-colored LEDs
Figure 18 on page 39 shows the LEDs on the SFP+ network ports on QFX5120-32C.
State and Description
Indicates the speed. The speed indicators are:
Off— Either the port speed is 10 M or the link is down.
Amber— Link speed is 100 Mbps.
Green— Link speed is 1000 Mbps.
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