Creating Channel-Groups For Sdh-Framed Interfaces - Cisco 10000 Series Configuration Manual

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Chapter 6
1-Port Channelized OC-12/STM-4 Line Card Configuration
Where:
Use the no form of the command to remove a logical channel group.
The following examples show how to use the t1 channel-group command:

Creating Channel-Groups for SDH-Framed Interfaces

Channel Limitations
There is a limit of 128 channels per SDH controller, and a maximum of 192 channels for the single
OC-12 port on the 1-Port Channelized OC-12/STM-4 line card. This limitation applies to both T1 and
E1 interfaces when you create channel groups for controllers.
For example, if you created 128 channels on T1 controller #1 on port 2, and 64 channels on T1 controller
#2 on port 2, then you could not create any additional channels on T1 controller #3 or T1 controller #4
because you have reached the maximum limit of 192 channels for a single port (port 2 in this example).
OL-8834-04
t1-number is T1 interface number 1 to 28.
channel-group channel-group-number identifies the channel group with any number from 0 to 23.
timeslots list-of-timeslots can be 1 to 24 or a combination of subranges within the 1 to 24 interval.
You can indicate a range using a hyphen, commas, or a combination of both. One timeslot equals
one DS0. (See the examples below.)
speed{56 | 64} is an optional argument that specifies the speed of a timeslot as either 56 or 64 kbps.
The default is 64. (The 56 kbps timeslots are generally used with older T1 equipment that does not
support B8ZS line coding and are associated with SF framing.)
In this example, T1 interface 3 includes channel group 20 and consists of 9 channelized timeslots:
Router(config)# controller t3 1/0/0.1
Router(config-controller)# t1 3 channel-group 20 timeslots 1-8, 10
To enter interface configuration mode for T1 interface 3 channel group 20, enter the following:
Router(config)# interface serial 1/0/0.1/3:20
In this example, t1 interface 4 includes channel group 18 and consist
creating a full T1 interface:
Router(config)# controller t3 1/0/0.1
Router(config-controller)# t1 4 channel-group 18 timeslots 1-24
To enter interface configuration mode for T1 interface 4 channel group 18, enter the following:
Router(config)# interface serial 1/0/0.1/4:18
In the following example, T1 interface number 5 is divided into three channel groups, which total
11 timeslots:
Router(config)# controller t3 1/0/0.1
Router(config-controller)# t1 5 channel-group 19 timeslots 1-6
Router(config-controller)# t1 5 channel-group 20 timeslots 10
Router(config-controller)# t1 5 channel-group 21 timeslots 7-9, 24
In the following example, channel group 20 on T1 1 is removed:
Router(config)# controller T3 1/0/0.1
Router(config-controller)# no t1 1 channel-group 20
Cisco 10000 Series Router Line Card Configuaration Guide
Creating a T3, VT, or AUG Controller
s of all 24 timeslots,
6-27

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