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Chapter 4
Configuring the Unchannelized Mode
Replacing an Existing Port Adapter
Before you remove or replace a port adapter, use the shutdown command to disable the port adapter to
prevent anomalies when you remove and reinstall the port adapter. When you shut down an interface, it
is designated administratively down in the show command displays.
Follow these steps to shut down an interface:
Step 1
Enter the privileged level of the EXEC command interpreter (also called enable mode). (See the
the EXEC Command Interpreter" section on page 4-2
At the privileged-level prompt, enter configuration mode and specify that the console terminal is the
Step 2
source of the configuration subcommands, as follows:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#
Shut down the T3 controller on the PA-MC-T3-EC with the controller shutdown command.
Step 3
This command sends a DS3 idle signal toward the network. You can bring the T3 controller back up with
the no shutdown controller command.
The example that follows is for a port adapter in slot 1 of a Cisco 7200VXR router:
Router(config)# controller T3 1/0
Router(config-controller)# shutdown
Router(config)# controller T3 1/1
Router(config-controller)# shutdown
Note
Verify that the two T3 ports are now shut down using the show controller T3 command:
Step 4
The following example is for a PA-MC-T3-EC in port adapter slot 6 of a Cisco 7200 VXR router:
Router(config-controller)# end
Router# show controller T3 6/0
T3 6/0 is administratively down.
Router# show controller T3 6/1
T3 6/1 is administratively down.
Step 5
Save the shutdown configuration to nonvolatile memory.
Router# copy running-config startup-config
Replace the port adapter in the slot. See the
Step 6
for more information.
Step 7
Re-enable the port adapter by doing the following:
a.
b.
OL-10589-02
Both T3 ports of the PA-MC-T3-EC should be shut down before removing the port adapter.
Repeat Step 3 to re-enable an interface, but substitute the no shutdown command for the shutdown
command.
Repeat Step 4 to verify that the interfaces are in the correct state and no longer shut down. Use the
show controller T3 command.
for instructions.)
"Port Adapter Removal and Installation" section on page 3-4
PA-MC-T3-EC Port Adapter Installation and Configuration
Replacing an Existing Port Adapter
"Using
4-3
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