Cisco 12416 Replacement Instructions Manual page 10

Removing and Installing the Chassis
Disconnect power from the power shelf. Refer to the Cisco 12016, Cisco 12416, and Cisco 12816 Router
Step 2
Installation and Configuration Guide for detailed procedures.
Step 3 Remove the front covers. Refer to the Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation
and Configuration Guide for detailed procedures.
Step 4 Disconnect the RP cables. You must disconnect any cables that are connected to the RP console port,
auxiliary port, or either of the Ethernet ports, RJ-45 or MII. Identify each of the RP cable connections
and write them down on a piece of paper before you disconnect the cables. After disconnecting the
cables, remove them from the chassis and place them safely aside.
Disconnect the alarm card cables. You must disconnect any cable that is connected to the external alarm
Step 5
port on either or both of the alarm cards. Identify the alarm cable connections and write them down on
a piece of paper before you disconnect the cables. After disconnecting the cables, remove them from the
chassis and place them safely aside.
Step 6 Disconnect the line card interface cables. Refer to the installation and configuration note for your
specific line card for detailed procedures.
Step 7 Remove the vertical cable-management troughs. One vertical cable-management trough is attached to
each side of the chassis by six Phillips screws. (See
must be removed from the chassis before the chassis can be removed from the equipment rack.
Insert a Phillips screwdriver through the access holes in the outer surface of the trough and remove
a.
the six Phillips screws that secure the trough to the chassis.
Set the trough and the screws safely aside. You will need to reinstall the trough on the replacement
b.
chassis after it has been installed in the equipment rack.
Repeat
c.
Cisco 12016, Cisco 12416, and Cisco 12816 Router Chassis Replacement Instructions
10
a. and b. for the remaining trough.
Figure 5.) Both vertical cable-management troughs
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