Juniper SRX5400 Manual page 21

Figure 2: Services Processing Card SRX5K-SPC-2-10-40
Each SPC consists of the following components:
SPC cover, which functions as a ground plane and a stiffener.
Two small form-factor pluggable (SFP) chassis cluster control ports for connecting multiple devices into
a redundant chassis cluster. See
about connecting and configuring redundant chassis clusters.
CAUTION:
third-party optic or cable, the Juniper Networks Technical Assistance Center (JTAC)
can help you diagnose the source of the problem. Your JTAC engineer might
recommend that you check the third-party optic or cable and potentially replace
it with an equivalent Juniper Networks optic or cable that is qualified for the device.
Fabric interfaces.
Two Gigabit Ethernet interfaces that allow control information, route information, and statistics to be
sent between the Routing Engine and the CPU on the SPCs.
Two interfaces from the SCBs that enable the boards to be powered on and controlled.
Physical SPC connectors.
Midplane connectors and power circuitry.
Chassis Cluster User Guide for SRX Series Devices
If you face a problem running a Juniper Networks device that uses a
for more information
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