•
Keep the cable connections clean and free of dust and other particles, which can cause
drops in the received power level. Always inspect cables and clean them if necessary
before connecting an interface.
•
Label both ends of line card cables to identify them.
Related
Documentation
Handling and Storing Line Cards in EX9200 Switches on page 237•
• Maintaining Fiber-Optic Cables in Switches on page 265
Unpacking a Line Card Used in an EX9200 Switch
The line cards for EX9200 switches are rigid sheet-metal structures that house the line
card components including network ports. The line cards are shipped in a cardboard
carton, secured with foam packing material.
CAUTION: The line cards are maximally protectedinside the shipping carton.
Do not unpack the line cards until you are ready to install them in the switch
chassis.
Before you unpack a line card:
•
Ensure that you have taken the necessaryprecautions to prevent electrostatic discharge
(ESD) damage (see “Prevention of Electrostatic Discharge Damage” on page 351).
•
Ensure that you know how to handle and store the line card (see “Handling and Storing
Line Cards in EX9200 Switches” on page 237).
To unpack a line card (see Figure 44 on page 157):
1. Move the shipping carton to a staging area as close to the installation site as possible.
2. Position the carton so that the arrows are pointing up.
3. Open the top flaps on the shipping carton.
4. Pull out the packing material, which holds the line card in place.
5. Remove the line card from the antistatic bag.
6. Save the shipping carton and packing materials in case you need to move or ship the
line card later.
241Copyright © 2017, Juniper Networks, Inc.
Chapter 20: Maintaining and Replacing Line Card
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