To delete OUN from OLT on EPON 2 interface go to config and use interface EPON0/2:
enable config interface EPON0/2
To delete ONU use command (note, that adter delete ONU will register on OLT again):
no epon bind-onu mac e067.b37d.d3d3
To add ONU to Black List use command:
epon onu-blacklist mac e067.b37d.d3d3
To remove ONU from Black List use command:
no epon onu-blacklist mac e067.b37d.d3d3