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    SRX5800 Services Gateway Switch Control Board Components

    Each SCB consists of the following components:

    • Chassis management Ethernet switch.
    • I2C bus logic, used for low-level communication with each component.
    • Component redundancy circuitry.
    • Control Board/Routing Engine mastership mechanism.
    • Gigabit Ethernet switch that is connected to the embedded CPU complex on all components.
    • Switch fabric—Provides the switching functions for the I/O Cards (IOC)s.
    • Control FPGA—Provides the Peripheral Component Interconnect (PCI) interface to the Routing Engine.
    • 1000Base-T Ethernet controller—Provides a 1-Gbps Ethernet link between the Routing Engines.
    • Ethernet switch—Provides 1-Gbps link speeds between the Routing Engine and the IOCs.
    • Circuits for chassis management and control.
    • Power circuits for the Routing Engine and SCB.
    • LEDs—Provide status.

    Published: 2012-08-23