Currently we do not have that feature that would allow the creation of a time-based access-list. If this is something that you would like to see, you can always contact an Adtran sales representative to request this.
Please do not hesitate to reply to this post with any additional questions or information. I will be happy to help in any way I can.
I went ahead and flagged the "Correct Answer" on this post to make it more visible and help other members of the community find solutions more easily. If you don't feel like the answer I marked was correct, feel free to come back to this post and unmark it and select another in its place with the applicable buttons. If you still need assistance, we would be more than happy to continue working with you on this - just let us know in a reply.