Configuring Ports
Page 178 7750 SR OS Interface Configuration Guide
In the TDM context, configure DS0 channel groups parameters. 24 timeslots can be configured per 
channel group.
A:ALA-A>config>port>tdm# ds1 1.1.1
A:ALA-A>config>port>tdm>ds1# no shutdown
A:ALA-A>config>port>tdm>ds1# channel-group 1
A:ALA-A>config>port>tdm>ds1>channel-group# timeslots 1
A:ALA-A>config>port>tdm>ds1>channel-group# no shutdown
A:ALA-A>config>port>tdm>ds1>channel-group# exit
A:ALA-A>config>port>tdm>ds1# no shutdown
A:ALA-A>config>port>tdm>ds1# channel-group 2
A:ALA-A>config>port>tdm>tds1>channel-group# timeslots 2
A:ALA-A>config>port>tdm>ds1>channel-group# no shutdown
A:ALA-A>config>port>tdm>ds1>channel-group# exit
A:ALA-A>config>port>tdm>ds1# exit
A:ALA-A>config>port>tdm# info
----------------------------------------------
        sonet-sdh
            path sts12
                no shutdown
            exit
            path sts3-1
                no shutdown
            exit
            path sts1-1.1
                no shutdown
            exit
        exit
        tdm
            ds3 ds3-1.1
                channelized
                no shutdown
            exit
            ds1 ds1-1.1.1
                channel-group 1  (see SAP 5/2/1.1.1.1.1 below)
                    timeslots 1
                    no shutdown
                exit
                channel-group 2  (see SAP 5/2/1.1.1.1.2 below)
                    timeslots 2
                    no shutdown
                exit
                no shutdown
            exit
        exit
        no shutdown
----------------------------------------------
A:ALA-A>config>port>tdm#