Cisco 3825 Software Configuration Guide - Page 70
Configuring T1 Controllers, speed {64}, channel-group, timeslots
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Configuration Sequence Chapter 4 Configuring the Cisco 3825 Mobile Wireless Edge Router in a RAN-O Solution with the Command-Line Step 3 Specify the channel-group and time slots to be mapped. Once you configure a channel-group, the serial interface is automatically created. Router(config-controller)# channel-group channel-no timeslots timeslot-list speed {64} Where: • channel-no-ID number to identify the channel group. The valid range is 0 to 30. • timeslot-list-Timeslots (DS0s) to include in this channel group. The valid timeslots are 1 to 31. • speed {64}-The speed of the DS0: 64 kbps. For example, the following command configures the channel-group and time slots for the E1 controller: Router(config-controller)# channel-group 0 timeslots 1-31 speed 64 Note When you are using the channel-group channel-no timeslots timeslot-list {64} command to change the configuration of an installed card, you must enter the no channel-group channel-no timeslots timeslot-list speed {64} command first. Then enter the channel-groupchannel-no timeslots timeslot-list {64} command for the new configuration information. Step 4 Step 5 Exit the controller configuration mode. Router(config-controller)# exit Configure the serial interface. Specify the E1 slot, subslot, port number, and channel-group. Router(config)# interface serial slot/subslot/port:channel Router(config-if)# Note To see a list of the configuration commands available to you, enter ? at the prompt or press the Help key while in the configuration mode. Step 6 Step 7 Step 8 Step 9 To configure PPP encapsulation, enter the following command: Router(config-if)# encapsulation ppp Enable keepalive packets on the interface and specify the number of times keepalive packets will be sent without a response before bringing down the interface: Router(config-if)# keepalive [period [retries]] Return to Step 1 to configure the second port on the Cisco 2-port T1/E1-RAN interface card and the ports on any additional Cisco 2-port T1/E1-RAN interface cards. Exit the interface configuration mode. Router(config-if)# exit Configuring T1 Controllers Use the following instructions to perform a basic T1 controller configuration: specifying the T1 controller, specifying the framing type, specifying the line code form, specifying the channel-group and time slots to be mapped, configuring the cable length, configuring the serial interface, configuring PPP 4-12 Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide OL-15667-03