D-Link DI-1750 Reference Manual page 25

The binding time-slot of channel-group will be cleared by no channel-group. The corresponding
interface will be cleared too.
Channel
{
number
[,number | number1-number2 ... ]
Channel(undo) channel-group
Choose the item 2 of interface-parameter prompt, it will display:
(00)<0-30>
Please Input the code of command to be excute(0-1): 0
Choose 0 and input the channel number, it will prompt：
(00)timeslots
Please Input the code of command to be excute(0-1): 0
Input 0， choose the item "timeslots"， it will prompt：
(00)<1-31>
Please Input the code of command to be excute(0-1): 0
Choose 0, the configuration is correct.
Example
Router_config#config-controller E1 2/0
Router_config_controller_E1_2/0#channel 5 timeslots 18,11-13,20,22,30-28,24-25
Router_config_controller_E1_2/0#config-interface s2/0:5
Router_config_interface_s2/0:5#
9. Configuring Interface Parameter of E1 Interface
While the E1 interface in the Channelized mode, system will generate new interface after configure the
channel-group parameter with the same logical characteristic of synchronous serial interface. The
name is serial<slot>/<group>:<channel-group>. The <slot> and <group> is the same as controller E1
<slot>/<group>.
While the E1 interface in the Unchannelized mode, system will generate new interface with the name is
serial<slot>/<group>:0. it is able to encapsulate the data-link-layer protocol to the interface, which
include PPP, frame relay, HDLC and X.25, etc.
Example:
In Channelized mode:
Router_config#config-controller E1 2/0
Router_config_controller_E1_2/0#channel 1 timeslots 1-31
Router_config_controller_E1_2/0#int s2/0:1
Router_config_controller_s2/0:1#enca fr
Router_config_controller_s2/0:1#ip add 130.130.0.1 255.255.255.0
In Unchannelized mode:
Router_config# controller E1 2/0
Router_config_controller_E1_2/0#unframed
Router_config_controller_E1_2/0#int s2/0:0
Router_config_controller_s2/0:0#enca fr
Router_config_controller_s2/0:0#ip add 130.130.0.1 255.255.255.0
Command
channel-group timeslots
| }
number1-number2
Channel number
List of timeslots which comprise the channel
Model Name
Bind the time-slot of E1 interface to set-channel-group
Cancel the time-slot binding of channel-group
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Function