Alcatel-Lucent 7750 Configuration Manual page 254

Interfaces
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ALA-A>config>port>tdm#
Services can now be applied to the configured channelized ports.
Page 254
channel-group 3
encap-type cisco-hdlc
cisco-hdlc
exit
timeslots 11,12
no shutdown
exit
no shutdown
exit
e1 1.2
channel-group 1
encap-type atm
atm
exit
no shutdown
exit
no shutdown
exit
no shutdown
7750 SR Interface Configuration Guide