| TDIF Pinout 25-pin Sub-D Connector | |
| 1 | data out 1 (audio track 1 and 2) |
| 2 | data out 2 (audio track 3 and 4) |
| 3 | data out 3 (audio track 5 and 6) |
| 4 | data out 4 (audio track 7 and 8) |
| 5 | out LACK |
| 6 | out fs 0 |
| 7 | Ground |
| 8 | in fs 0 |
| 9 | in LACK |
| 10 | data in 4 (audio track 7 and 8) |
| 11 | data in 3 (audio track 5 and 6) |
| 12 | data in 2 (audio track 3 and 4) |
| 13 | data in 1 (audio track 1 and 2) |
| 14 | Ground |
| 15 | Ground |
| 16 | Ground |
| 17 | Ground |
| 18 | out EMPH |
| 19 | out fs 1 |
| 20 | in fs 1 |
| 21 | in EMPH |
| 22 | Ground |
| 23 | Ground |
| 24 | Ground |
| 25 | Ground |