LED state definitions
The figures and tables in the following sections describe the LEDs on the Ethernet Routing Switch
3500 Series. The tables describe LED operation for a switch that finishes the power-on self-test.
Warning:
Fiber optic equipment can emit laser or infrared light that can injure your eyes. Never look into
an optical fiber or connector port. Always assume that fiber-optic cables are connected to a light
source.
Switch front panel LED views
The front-panel PWR LEDs are lit when the device powers on.
The following figures illustrate the switch series front panel LED indicators.
Figure 9: ERS 3510GT/3510GT-PWR+ Series Front Panel LEDs
Figure 10: ERS 3524 Front Panel LEDs
LED state definitions
December 2017
Installing Ethernet Routing Switch 3500 Series
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