Removing An Mx960 Scb - Juniper MX960 Hardware Manual

Removing an MX960 SCB

To remove an SCB (see
NOTE: You can remove the SCB and Routing Engine as a unit, or remove the Routing Engine
separately.
CAUTION:
handles properly to avoid damage to the equipment.
NOTE: You do not need to offline the host subsystem in the following scenarios:
You are replacing an SCB installed in slot 2/6.
You are replacing an SCB that functions as a third SCB and no Routing Engine is installed.
1. Take the host subsystem offline.
NOTE: If there is only one host subsystem, taking the host subsystem offline shuts down
the router and you are not required to offline the SCB.
2. Take the SCB offline by issuing the following CLI command:
user@host>request chassis cb slot slot-number offline
3. Place an electrostatic bag or antistatic mat on a flat, stable surface.
4. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
5. Rotate the ejector handles simultaneously counterclockwise to unseat the SCB.
6. Grasp the ejector handles, and slide the SCB about halfway out of the chassis.
7. Place one hand underneath the SCB to support it, and slide it completely out of the chassis.
Figure 221 on page 563):
Before removing an SCB, ensure that you know how to operate the ejector
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