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    T4000 Connector Interface Panel (CIP) LEDs

    Two small LEDs on the left edge of the ETHERNET port indicate activity and the speed of the connection in use. Table 1 describes the functions of the LEDs.

    Note: For routers with RE-C1800 Routing Engines, see the release notes for your router regarding more information about the LED behavior for the ETHERNET port.

    Table 1: CIP LEDs

    LED

    Color

    State

    Description

    ACT 0 and ACT 1

    Green

    On steadliy

    Traffic is passing through the port.

    --

    Off

    No traffic is passing through the port.

    GRN = 100M

    YEL= 10M

    Green

    On steadily

    100-Mbps connection

    Yellow

    On steadily

    10-Mbps connection

    Note: When RE-C1800 Routing Engines are installed, the yellow LED indicates a 100-Mbps connection.

    --

    Off

    Control board is offline.

     
     

    Published: 2013-08-28