Juniper SRX5800 Hardware Manual page 307

To remove an SCB (see
NOTE: The SCB and Routing Engine are removed as a unit. You can also remove the Routing
Engine separately.
CAUTION:
handles properly to avoid damage to the equipment.
1. If you are removing an SCB from a chassis cluster, deactivate the fabric interfaces from any of the
nodes.
NOTE: The fabric interfaces should be deactivated to avoid failures in the chassis cluster.
user@host# deactivate interfaces fab0
user@host# deactivate interfaces fab1
user@host# commit
2. Power off the services gateway using the command request system power-off.
user@host# request system power-off
NOTE: Wait until a message appears on the console confirming that the services stopped.
3. Physically turn off the power and remove the power cables from the chassis.
4. Place an electrostatic bag or antistatic mat on a flat, stable surface.
5. Attach an ESD grounding strap to your bare wrist, and connect the strap to one of the ESD points on
the chassis.
6. Rotate the ejector handles simultaneously counterclockwise to unseat the SCB.
7. Grasp the ejector handles and slide the SCB about halfway out of the chassis.
Figure 131 on page 309):
Before removing an SCB, ensure that you know how to operate the ejector
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