Chapter 5 Maintaining the Router
Removing and Installing a Chassis
Step 8 Disconnect any cables connected to the external alarm port on the alarm display.
Label each of the alarm display cables before you disconnect the cables.
Step 9 Disconnect the line card interface cables:
a.Identify the type of line card and its slot number. Write this information on a piece of paper before you disconnect the cables. You’ll need this information when you reinstall the line cards.
b.Identify the line card cable and its port connection. Label the cable with this information.
c.Starting with the bottom port of the line card (on line cards with multiple ports), disconnect the interface cable connectors from each of the line card ports.
d.Loosen the captive screw at each end of the line card
e.Carefully remove the cables from the horizontal cable tray and carefully place the cable bundle out of the way.
f.Repeat steps a through e for each line card.
Step 10 Remove cards from the line card and RP card cage (see Removing and Replacing Cards from the Line Card and RP Card Cage, page
Step 11 Remove cards from the switch fabric and alarm card cage (see Removing and Replacing Cards from the Switch Fabric and Alarm Card Cage, page
Step 12 Remove the chassis air filter (see Cleaning or Replacing the Chassis Air Filter, page
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