3Com 3031 Command Reference Manual page 211

ATM OC-3c/STM-1 Interface Configuration Commands 211
View
Any view
Parameter
interface-number: Interface number. If no interface has been specified, the
configuration and state information of all the ATM interfaces will be displayed.
Description
Using the display interface atm command, you can view the configuration and
state information of ATM OC-3c/STM-1 interface(s).
Example
View the configuration and state information of the ATM interface 4/0/0.
<3com> display interface atm 4/0/0
frame-format
Syntax
frame-format { sdh | sonet }
undo frame-format
View
ATM interface view
Parameter
sdh: Sets the frame format to SDH STM-1.
sonet: Sets the frame format to SONET OC-3.
Description
Using the frame-format command, you can set the frame format of ATM
OC-3c/STM-1 interface. Using the undo frame-format command, you can restore
the default setting.
The frame format on the ATM OC-3c/STM-1 interface defaults to SONET.
Example
Set the frame format on the ATM OC-3c/STM-1 interface to SDH.
[3com-Atm4/0/0] frame-format sdh
loopback
Syntax
loopback { cell | local | remote }
undo loopback