The SF modules install horizontally into the front of the chassis. If any slots are empty, you must install a
cover panel.
The SF module has the following components:
• Chassis management Ethernet switch
• I2C bus logic, used for low-level communicaon with each component
• Component redundancy circuitry
• Control Board/Roung Engine primary-role mechanism
• Gigabit Ethernet switch that is connected to the embedded CPU complex on all components
• Control eld-programmable gate array (FPGA)—Provides the Peripheral Component Interconnect
(PCI) interface to the Roung Engine
• 1000Base-T Ethernet controller—Provides a 1-Gbps Ethernet link between the Roung Engines
• Ethernet switch—Provides 1-Gbps link speeds between the Roung Engine and the line cards
• External clock interface—Allows BITS or GPS clock source input to the centralized ming circuit, or
allows centralized ming to be output to BITS or GPS
• Circuits for chassis management and control
• Power circuits for the Roung Engine and the Switch Fabric
• SF module LEDs—Indicate system status. (See
Switch Fabric Module LEDs in an EX9200 Switch
).
• Ejector levers—Used for installing and removing the SF module
• Capve screws—Secure the SF module in place
SEE ALSO
Installing an SF Module in an EX9200 Switch
Removing an SF Module from an EX9200 Switch
Taking the Host Subsystem Oine in an EX9200 Switch
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