Juniper QFX3500, Hardware Documentation

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QFX5110 Network Port LEDs
The Link/Activity LED configuration for QFX5110-48S uses bi-colored LEDs. The link LED indicates link
activity or a fault. See Table 74 on page 498 .
Table 74: QFX5110-48S Access Port and Uplink LED Locations
Location Indicators Port Type Model
g050236
Bi-colored LEDs
Link and
Activity
Status
See
Table75onpage498 .
QSFP28 QFX5110-48S
Link and
Activity
Status
See
Table76onpage499 ,
SFP+
As shown in Table 74 on page 498 and Table 77 on page 500 there are four bi-color LEDs for each QSFP+
access port. The first LED indicates link presence and activity, while the remaining LEDs indicate status.
Table 75 on page 498 describes how to interpret the Link/Activity QSFP28 port LEDs, counting from the
left-most position.
Table 75: Network Port LEDs on QSFP28 Ports on a QFX5110
Description State Color Position
The port is administratively disabled, there is no power, the link
is down, or there is a fault.
Off Unlit 1–4
A link is established (either 100-Gigabit or 40-Gigabit,
non-channelized) but there is no link activity. When this LED is
on, the LEDs in positions 2 to 4 are off.
On steadily Green 1
A link is established (either 100-Gigabit or 40-Gigabit,
non-channelized) and there is link activity.
Blinking
498