Cisco WS-C4003-RF Hardware Maintenance Manual - Page 72

Making T1 Connections, followed

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Making Network Connections Making T1 Connections If you installed a new CT1 or if you want to change the configuration of an existing controller, you must enter the configuration mode. If you replaced the CT1 that was previously configured, the system will recognize the new CT1 and bring it up in the existing configuration. After you verify that the new CT1 is recognized by the Cisco 4000 series, use the privileged-level configure command to configure the new CT1 module. Be prepared with the information you will need, such as the following: • T1 information, for example clock source, line code, and framing type • Channel-group information and timeslot mapping • Protocols and encapsulations you plan to use on the new interfaces • Internet protocol (IP) addresses if you will configure the interfaces for IP routing • Whether the new interface will use bridging The following steps describe a basic T1 configuration. Press the Return key after each configuration step. Step 1 At the privileged-mode prompt, enter the configuration mode and specify that the console terminal will be the source of the configuration subcommands as follows: Router# conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)# Step 2 At the prompt, specify the controller to configure by entering the subcommand cont, followed by t1, and unit number . The example that follows is for the T1 interface unit number 1: Router(config)# cont t1 1 Step 3 At the prompt, specify the clock source for the controller. The clock source command will determine which end of the circuit provides the clocking. Router(config-controller)# clock source line Note The clock source should only be set to use the internal clocking for testing the network or if the full T1 line is used as the channel-group. Only one end of the T1 line should be set to internal. Step 4 At the prompt, specify the framing type. Router(config-controller)# framing esf Step 5 At the prompt, specify the linecode format. Router(config-controller)# linecode b8zs Router(config-controller)# %CONTROLLER-3-UPDOWN: Controller T1 1, changed state to up Router(config-controller)# 3-14 Cisco 4000 Series Hardware Installation and Maintenance

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3-14
Cisco 4000 Series Hardware Installation and Maintenance
Making Network Connections
Making T1 Connections
If you installed a new CT1 or if you want to change the configuration of an existing controller, you
must enter the configuration mode. If you replaced the CT1 that was previously configured, the
system will recognize the new CT1 and bring it up in the existing configuration.
After you verify that the new CT1 is recognized by the Cisco 4000 series, use the privileged-level
configure
command to configure the new CT1 module. Be prepared with the information you will
need, such as the following:
•
T1 information, for example clock source, line code, and framing type
•
Channel-group information and timeslot mapping
•
Protocols and encapsulations you plan to use on the new interfaces
•
Internet protocol (IP) addresses if you will configure the interfaces for IP routing
•
Whether the new interface will use bridging
The following steps describe a basic T1 configuration. Press the Return key after each configuration
step.
Step 1
At the privileged-mode prompt, enter the configuration mode and specify that the console
terminal will be the source of the configuration subcommands as follows:
Router#
conf t
Enter configuration commands, one per line. End with CNTL/Z. Router(config)#
Step 2
At the prompt, specify the controller to configure by entering the subcommand
cont
,
followed by
t1
,
and unit number . The example that follows is for the T1 interface unit
number 1:
Router(config)#
cont t1 1
Step 3
At the prompt, specify the clock source for the controller. The
clock source
command will
determine which end of the circuit provides the clocking.
Router(config-controller)#
clock source line
Note
The clock source should only be set to use the internal clocking for testing the network or if
the full T1 line is used as the channel-group. Only one end of the T1 line should be set to internal.
Step 4
At the prompt, specify the
framing
type.
Router(config-controller)#
framing esf
Step 5
At the prompt, specify the
linecode
format.
Router(config-controller)#
linecode b8zs
Router(config-controller)#
%CONTROLLER-3-UPDOWN: Controller T1 1, changed state to up
Router(config-controller)#