Figure 43: Switch Control Board SRX5K-SCB
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.
•
Gigabit Ethernet switch that is connected to the embedded CPU complex on all
components.
•
Switch fabric—Provides the switching functions for the IOCs.
•
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.
•
SCB with slot for Routing Engine
•
Maximum throughput: 75 Gbps per slot
Description
•
Junos OS Release 9.2 and later
Software release
Slot for Routing Engine
Cables and connectors
Copyright © 2017, Juniper Networks, Inc.
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SRX5400 Services Gateway Hardware Guide
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