Channelized T1 and TE121

Could Anyone help me with the example settings for a channelized T1? (No D channel).
I know that the Verizon switch type is dms100… However I have only set up a Zaptel config for a pri T1.
I am using a TE121 card. dahdi_tools is not showing any alarms. However I get a error about both sides thinking they are the cpe…