IBM 728

The IBM 728 magnetic tape drive was used on the SAGE AN/FSQ-7 computer. It was physically similar to the IBM 727, but with significantly different specifications.
This is one of several IBM 7 track tape drives.
 Tape Word Bit Positions
 -----------------------------> Tape travel
 LS L6 L12 R2 R8 R14
 L1 L7 L13 R3 R9 R15
 L2 L8 L14 R4 R10 P
 SYN SYN SYN SYN SYN SYN
 L3 L9 L15 R5 R11 EOF
 L4 L10 RS R6 R12 EOF
 L5 L11 R1 R7 R13 EOF
 -----------------------------> Tape travel