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 = 64Some more clarification on T1 v2.0 (And M.2 support for Asus DTX motherboards when using C14s) ... The 6800XT isn't actually a full 2.5 slots, AMD just said that for simplicity sake