Juniper EX9200 Manual page 28

Hardware Topics for Aloha Line Card
12
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see Prevention of Electrostatic Discharge Damage).
Ensure that you know how to handle and store the line card (see Handling and Storing
Line Cards in EX9200 Switches).
Ensure that you have the following parts and tools available:
A septum if it is not installed in the line card, if you plan to replace the MIC with an
EX9200-10XS-MIC or EX9200-20F-M-MIC and screws to secure the septum
A blank cover panel if you are installing only one EX9200-10XS-MIC or
EX9200-20F-M-MIC and screws to secure the cover panel
A pin that fits the opening to the online/offline button on the MIC if you plan to take
the MIC offline by using this button
Rubber safety caps to cover transceivers
ESD grounding strap
Phillips (+) screwdriver, number 2
To remove a MIC from an EX9200-MPC line card:
Place the antistatic bag or antistatic mat on a flat, stable surface.
1.
Attach the ESD grounding strap to your bare wrist and connect the strap to the ESD
2.
point on the rear panel of EX9200 switches.
Label the cables connected to the MIC so that you can reconnect them correctly.
3.
If there are transceivers installed in the MIC, remove them (see Removing a Transceiver
4.
from a Switch).
Take the MIC offline by using one of the following methods:
5.
Press the online/offline button on the MIC by using a pin that fits inside the opening
to the button until the
Issue the following CLI command:
user@host> request chassis mic fpc-slot slot-number mic-slot slot-number offline
If you are removing an EX9200-10XS-MIC or EX9200-20F-M-MIC, grasp the MIC
6.
ejector lever on the faceplate of the line card that is adjacent to the MIC and pull it
outward until the MIC is fully unseated (see
an EX9200-40T-MIC, grasp the MIC ejector levers on either side of the faceplate of
the line card and pull them outward simultaneously until the MIC is fully unseated
(see Figure 10 on page
Grasp the handles on the MIC faceplate and slide the MIC out of the line card.
7.
CAUTION: Do not stack MICs on top of one another or on top of any other
component. Place each MIC separately in the antistatic bag or on the
antistatic mat placed on a flat, stable surface.
OK/FAIL LED on the MIC is unlit.
Figure 9 on page
14).
13). If you are removing
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