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    Troubleshooting Using the T320 Component LEDs

    The following LEDs are located on various router components and display the status of those components:

    • SIB LEDs—Three LEDs on each SIB faceplate—ACTIVE, OK, and FAIL—indicate the status of that SIB.
    • T-CB LEDs—Three LEDs on each T-CB faceplate indicate the status of that T-CB. If no LEDs are lit, the T-CB is not receiving power.
    • PIC LEDs—Each port on each PIC has an LED that indicates the status of the port. For more information, see the T320 Core Router PIC Guide.
    • SCG LEDs—Three LEDs on each SCG faceplate indicate the status of that SCG.
    • Power supply LEDs—One LED on each power supply faceplate indicates the status of that power supply.

    Published: 2010-10-28