t1 slotFramed E1 T1 with no. of Time Slots greater than or equal 4 -> Payload = 2 x no. of time slots. Unframed T1, C11 –> Payload = 48 (2 x 24 (all slots)). Unframed E1, C12 –> Payload = 64Hey everyone, I received my T1 in the mail (absolutely fantastic) and am getting itchy feet to put it together. Before all my remaining custom loop items arrive, I wanted to build it on air,