Light Emitting Diode (LED) display
The Avaya Ethernet Routing Switch 4000 Series displays diagnostic and operation information
through the LEDs on the unit. Familiarize yourself with the interpretation of the LEDs on the
4000 series device. See the technical document Installing Avaya Ethernet Routing Switch 4000
Series, NN47205-300 for detailed information regarding the interpretation of the LEDs.
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Light Emitting Diode (LED) display
Troubleshooting Avaya ERS 4000 Series April 2014 47
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