Led Activity - Juniper E SERIES BROADBAND SERVICES ROUTERS 11.3.X - ERX HARDWARE GUIDE REV 26-9-2010 Hardware Manual

ERX 11.3.x Hardware Guide

LED Activity

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Figure 50: FE2 Module LEDs
Figure 51: E3 and T3 Module LEDs
When the system boots, it runs a series of tests for each module installed in the system,
and the LEDs display various configurations. See Table 11 on page 101 and Table 12 on
page 101 to understand normal and abnormal LED activity.
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