D-Link DI-1750 Reference Manual page 30

Interface bri <slot>/<group>
Input the command "interface", it will prompt:
(00)FastEthernet
(01)Ethernet
(02)BRI
......
Please Input the code of command to be excute(0-11): 2
Input 2, choose the item "BRI:, it will prompt:
Please input a interface name:
Input the interface type, slot number and group.
3.11 Configure DTU interface
This section describes how to configure the DTU interface. Detailed configurative steps are given
below:
1. Designating DTU interface
You can input the following command in global configurative mode to enter the DTU interface
configurative mode.
Interface bm <slot>/<port>
For example：
Input the command "interface", it will prompt:
(00)FastEthernet
(01)Ethernet
(02)Serial
(03)Async
(04)BM
.....
Please Input the code of command to be excute(0-10): 4
Input 4, choose the item "BM", it will prompt:
Please input a interface name: bm2/0
Input "bm2/0".
2. Configuring DTU interface's linemode
linemode nt
linemode lt
The DTU is in NT mode in default.
For example：configure the DTU interface working in LT mode.
Choose the item 21 of the interface-parameter prompt, it will display:
(00)nt nt mode
Command
FastEthernet interface
Ethernet interface
ISDN Basic Rate Interface
command
FastEthernet interface
Ethernet interface
Serial interface
Asynchronous interface
BM interface
Command
Model Name
Enter the ISDN BRI interface
Slot is the slot number of BRI controller
Group is the link number BRI controller
Configure the DTU interface
Set the DTU interface working in NT mode
Set the DTU interface working in LT mode
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Function
Function
Function