Command Reference Guide

3Com Router 5000 Family and Router 6000 Family frame-format ● 199
Command Reference
frame-format
Purpose Use the frame-format command to set the frame format of ATM OC-3c/STM-1
interface.
Use the undo frame-format command to restore the default setting.
Syntax frame-format { sdh | sonet }
undo frame-format
Parameters sdh
Sets the frame format to SDH STM-1.
sonet
Sets the frame format to SONET OC-3.
Example Set the frame format on the ATM OC-3c/STM-1 interface to SDH.
[3Com -Atm4/0/0] frame-format sdh
View This command can be used in the following views:
■ ATM Interface view
Description The frame format on the ATM OC-3c/STM-1 interface defaults to SONET.