•
SRX5K-RE-13-20–from Junos OS Release 9.2 to 12.3X48
•
SRX5K-RE-1800X4–from Junos OS Release 12.1X47-D15 and later
•
SRX5K-RE3-128G–from Junos OS Release 19.3R1 and later
NOTE: You can only configure the following combination of Routing Engine and SCB within a
host subsystem:
•
SRX5K-RE-13-20 and SRX5K-SCB
•
SRX5K-RE-1800X4 and SRX5K-SCBE
•
SRX5K-RE-1800X4 and SRX5K-SCB3
•
SRX5K-RE-1800X4 and SRX5K-SCB4
•
SRX5K-RE3-128G and SRX5K-SCB3 or SRX5K-SCB4
The host subsystem has three LEDs that display its status. The host subsystem LEDs are located in the
middle of the craft interface.
Switch Control Board SRX5K-SCB Overview
The Switch Control Board (SCB) provides the following functions:
•
Powers on and powers off MPCs and SPC
•
Controls clocking, system resets, and booting
•
Monitors and controls system functions, including fan speed, board power status, PDM status and
control, and the system front panel
•
Provides interconnections to all the MPCs within the chassis through the switch fabrics integrated into
the SCB
When the SCB is part of a host subsystem, the Routing Engine installs directly into a slot on the SCB (see
Figure 16 on page 61).
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