Cisco Catalyst 9600 Series Installation Note page 17

Figure 12: Removing a Line Card from the Slot
Step 8
Place the line card on an antistatic mat or in an antistatic bag.
Step 9 Install a replacement line card after a 15-second wait. Alternatively, if the chassis slot is to remain empty,
install a blank slot cover (C9606-SLOT-BLANK).
Remove slot blanks only when installing a line card. If a line card is removed, ensure that you replace it with
a slot blank immediately. Also, keep the line card in ESD-protective bags when they are not installed in a
chassis.
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous
Caution
voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might
disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not operate
the system unless all cards, faceplates, front covers, and rear covers are in place. Statement 1029
Cisco Catalyst 9600 Series Line Card Installation Note
Removing a Line Card
17