Removing An Mx2020 Cb-Re - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide
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Removing an MX2020 CB-RE

232
CAUTION: When you request a host subsystem halt, only one Routing
Engine will be halted. You must use the request chassis
both-routing-engines to halt both Routing Engines.
Wait until a message appears on the console confirming that the operating system
has halted.
For more information about the command, see the
Command Reference .
NOTE: The Routing Engine might continue forwarding traffic for
approximately 5 minutes after the
issued.
MX2020 Host Subsystem Description on page 25
Maintaining the MX2020 Host Subsystem on page 163
To remove a CB-RE (see Figure 102 on page
NOTE: You can remove the CB-RE as a unit.
CAUTION: Before removing a CB-RE, ensure that you know how to operate
the ejector handles properly to avoid damage to the equipment.
CAUTION: Before you replace a CB-RE, you must take the host subsystem
offline. If there is only one host subsystem, taking the host subsystem offline
shuts down the router.
Take the host subsystem offline.
1.
Place an electrostatic bag or antistatic mat on a flat, stable surface.
2.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
3.
the strap to one of the ESD points on the chassis.
Open the ejector handles outward simultaneously to unseat the CB-RE.
4.
Grasp the ejector handles, and slide the CB-RE about halfway out of the chassis.
5.
Place one hand underneath the CB-RE to support it, and slide it completely out of the
6.
chassis.
Junos OS System Basics and Services
command has been
request system halt
233):
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