Juniper EX4200 Hardware Manual page 43

Table 9: Link/Activity LED on Network Ports
LED
Link/Activity
Table 10 on page 44 describes the Status LED. From the Idle menu of the LCD, use the Enter button on
the LCD panel to toggle between the ADM, DPX, POE, and SPD indicators.
Color
Green
State and Description
Blinking—The port and the link are active, and there is
link activity.
On steadily—The port and the link are active, but there
is no link activity.
Off—The port is not active.
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