Cisco 12410 Installation And Configuration Manual page 351

Chapter 7 Maintaining the Router
Disconnect any cables connected to the external alarm port on the alarm display.
Step 9
Label each of the alarm display cables before you disconnect the cables.
Step 10 Disconnect the line card interface cables:
a.
b.
c.
d.
e.
f.
Remove cards from the line card and RP card cage (see
Step 11
Cards from the Line Card and RP Card Cage, page
Remove cards from the switch fabric and alarm card cage (see
Step 12
Replacing Cards from the Switch Fabric and Alarm Card Cage, page
Remove the chassis air filter (see
Step 13
page
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
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.
Identify the line card cable and its port connection. Label the cable with this
information.
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.
Loosen the captive screw at each end of the line card cable-management
bracket and pull the cable-management bracket away from the line card.
Carefully remove the cables from the horizontal cable tray and carefully place
the cable bundle out of the way.
Repeat steps a through e for each line card.
7-16).
Removing and Installing a Chassis
Removing and Replacing
7-62).
Cleaning or Replacing the Chassis Air Filter,
Removing and
7-64).
7-69