D-Link DI-1750 Reference Manual page 22

3.8.2 Configuring E1 interface
To configure E1 interface, command config-controller E1 must be inputed firstly in the status of global
configuring.
Command
controller
<slot>/<config-group>
Input the command "controller", it will prompt:
(00)E1
Please Input the code of command to be excute(0-0): 0
Input 0, choose the item "E1", it will prompt:
(00)<2-2>
(01)<cr>
Please Input the code of command to be excute(0-1):
Choose the corresponding item and input the slot number and group.
Example:
Router_config#config-controller E1 2/0
Router_config_controller_E1_2/0#
Configuring tasks of E1 interface include:
Configure physical parameters of E1 interface that include frame check mode, line code/decode format
and line clock, loop-back transmission mode, etc. Default parameter is required.
Channelized E1 interface requires the configuring of parameter about set-channel-group and confirm
the binding mode of time-slot.
Unchannelized E1 interface has no need of configure the parameter of set-channel-group.
Configure the parameter of interface:
1. Configuring Operation Mode of E1 Interface
The default mode of E1 interface is channelized mode. It is able to set as unchannelized mode by the
command of unframed.
Command
unframed
Unframed (undo)
Choose item 30 of the prompt of interface parameters, then the interface will be configured as
unchannelized mode.
If you input U or u before you do the action above, it will be configured as channelized mode.
Example:
Router_config#config-controller E1 2/0
Router_config_controller_E1_2/0# unframed
Router_config_controller_E1_2/0# no unframed
2. Configuring Frame Check Mode of E1 Interface
E1 interface support CRC32 check for physical frame, default setting is unchecking.
Model Name
Configure E1 interface
E1
slot is number of solt that controller located in,
config-group is link number of E1 controller
Configure as unchannelized mode
Configure as channelized mode
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Function
Function