Preparing The Ex9200 Switch For An Ex9200-Sf3 Upgrade; Powering Off The Switch; Removing A Routing Engine From An Sf Module; Replacing The Ex9200-Sf Or Ex9200-Sf2 With The Ex9200-Sf3 - Juniper EX9214 Hardware Manual

Preparing the EX9200 Switch for an EX9200-SF3 Upgrade

To prepare the switch for the upgrade:
1. Verify that the system runs Junos OS Release 20.3R1 or later by issuing the show version command
on the switch.
user@switch> show version
Model: ex9208
Junos Base OS Software Suite [20.3-yyyymmdd];
...
NOT running Junos OS Release 20.3R1 or later, upgrade the software now.
2. If the system is
For information about how to verify and upgrade Junos OS, see the
Upgrade Guide .

Powering Off the Switch

You must power off the switch before you install EX9200-SF3. See
page 277.

Removing a Routing Engine from an SF Module

To remove a Routing Engine from an SF Module:
1. Remove the cables connected to the Routing Engine.
2. Place an electrostatic bag or antistatic mat on a flat, stable surface.
3. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
4. Loosen the captive screws on the top and bottom of the Routing Engine.
5. Flip the ejector handles outward to unseat the Routing Engine.
6. Grasp the Routing Engine by the ejector handles, and slide it about halfway out of the chassis.
7. Place one hand underneath the Routing Engine to support it, and slide it completely out of the
chassis.
8. Place the Routing Engine on the antistatic mat.

Replacing the EX9200-SF or EX9200-SF2 with the EX9200-SF3

To replace the existing SF module with the EX9200-SF3:
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to
one of the ESD points on the chassis.
2. Remove and replace the offline SF module with the EX9200-SF3.
Junos OS Installation and
"Powering Off an EX9200 Switch" on
234