Figure 43: Switch Control Board Srx5K-Scb - Juniper SRX5400 Hardware Manual

SRX5400 Services Gateway Hardware Guide
Description
Software release
Cables and connectors
68

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
Junos OS Release 9.2 and later
Slot for Routing Engine
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