Inside the chamber there are two 26-pin connectors, the A-connector has the cables
1 and 2.
The B-connector has the cables 3 and 4.
The pictures show the standard numbering for rectangular flatcable connectors.
| outside | Inside 14pin | Inside 26pin | outside | Inside 14pin | Inside 26pin | |||||||
| cable | pin | cable | pin | cable | pin | cable | pin | cable | pin | cable | pin | |
| 1 | 1 | 2 | 2 | A | X | 2 | 1 | 1 | 2 | A | 1 | |
| 1 | 2 | 2 | 1 | A | 14 | 2 | 4 | 1 | 3 | A | 2 | |
| 1 | 3 | 2 | 4 | A | 16 | 2 | 3 | 1 | 4 | A | 3 | |
| 1 | 4 | 2 | 3 | A | 15 | 2 | 6 | 1 | 5 | A | 4 | |
| 1 | 5 | 2 | 6 | A | 18 | 2 | 5 | 1 | 6 | A | 5 | |
| 1 | 6 | 2 | 5 | A | 17 | 2 | 8 | 1 | 7 | A | 6 | |
| 1 | 7 | 2 | 8 | A | 20 | 2 | 7 | 1 | 8 | A | 7 | |
| 1 | 8 | 2 | 7 | A | 19 | 2 | 10 | 1 | 9 | A | 8 | |
| 1 | 9 | 2 | 10 | A | 22 | 2 | 9 | 1 | 10 | A | 9 | |
| 1 | 10 | 2 | 9 | A | 21 | 2 | 12 | 1 | 11 | A | 10 | |
| 1 | 11 | 2 | 12 | A | 24 | 2 | 11 | 1 | 12 | A | 11 | |
| 1 | 12 | 2 | 11 | A | 23 | 2 | 14 | 1 | 13 | A | 12 | |
| 1 | 13 | 2 | 14 | A | 26 | 2 | 13 | 1 | 14 | A | 13 | |
| 1 | 14 | 2 | 13 | A | 25 | 1 | 2 | 2 | 1 | A | 14 | |
| 2 | 1 | 1 | 2 | A | 1 | 1 | 4 | 2 | 3 | A | 15 | |
| 2 | 2 | 1 | 1 | A | X | 1 | 3 | 2 | 4 | A | 16 | |
| 2 | 3 | 1 | 4 | A | 3 | 1 | 6 | 2 | 5 | A | 17 | |
| 2 | 4 | 1 | 3 | A | 2 | 1 | 5 | 2 | 6 | A | 18 | |
| 2 | 5 | 1 | 6 | A | 5 | 1 | 8 | 2 | 7 | A | 19 | |
| 2 | 6 | 1 | 5 | A | 4 | 1 | 7 | 2 | 8 | A | 20 | |
| 2 | 7 | 1 | 8 | A | 7 | 1 | 10 | 2 | 9 | A | 21 | |
| 2 | 8 | 1 | 7 | A | 6 | 1 | 9 | 2 | 10 | A | 22 | |
| 2 | 9 | 1 | 10 | A | 9 | 1 | 12 | 2 | 11 | A | 23 | |
| 2 | 10 | 1 | 9 | A | 8 | 1 | 11 | 2 | 12 | A | 24 | |
| 2 | 11 | 1 | 12 | A | 11 | 1 | 14 | 2 | 13 | A | 25 | |
| 2 | 12 | 1 | 11 | A | 10 | 1 | 13 | 2 | 14 | A | 26 | |
| 2 | 13 | 1 | 14 | A | 13 | 1 | 1 | 2 | 2 | A | X | |
| 2 | 14 | 1 | 13 | A | 12 | 2 | 2 | 1 | 1 | A | X | |
| 3 | 1 | 4 | 2 | B | 15 | 4 | 2 | 3 | 1 | B | 1 | |
| 3 | 2 | 4 | 1 | B | 14 | 4 | 1 | 3 | 2 | B | 2 | |
| 3 | 3 | 4 | 4 | B | X | 4 | 3 | 3 | 4 | B | 3 | |
| 3 | 4 | 4 | 3 | B | 16 | 4 | 6 | 3 | 5 | B | 4 | |
| 3 | 5 | 4 | 6 | B | 18 | 4 | 5 | 3 | 6 | B | 5 | |
| 3 | 6 | 4 | 5 | B | 17 | 4 | 8 | 3 | 7 | B | 6 | |
| 3 | 7 | 4 | 8 | B | 20 | 4 | 7 | 3 | 8 | B | 7 | |
| 3 | 8 | 4 | 7 | B | 19 | 4 | 10 | 3 | 9 | B | 8 | |
| 3 | 9 | 4 | 10 | B | 22 | 4 | 9 | 3 | 10 | B | 9 | |
| 3 | 10 | 4 | 9 | B | 21 | 4 | 12 | 3 | 11 | B | 10 | |
| 3 | 11 | 4 | 12 | B | 24 | 4 | 11 | 3 | 12 | B | 11 | |
| 3 | 12 | 4 | 11 | B | 23 | 4 | 14 | 3 | 13 | B | 12 | |
| 3 | 13 | 4 | 14 | B | 26 | 4 | 13 | 3 | 14 | B | 13 | |
| 3 | 14 | 4 | 13 | B | 25 | 3 | 2 | 4 | 1 | B | 14 | |
| 4 | 1 | 3 | 2 | B | 2 | 3 | 1 | 4 | 2 | B | 15 | |
| 4 | 2 | 3 | 1 | B | 1 | 3 | 4 | 4 | 3 | B | 16 | |
| 4 | 3 | 3 | 4 | B | 3 | 3 | 6 | 4 | 5 | B | 17 | |
| 4 | 4 | 3 | 3 | B | X | 3 | 5 | 4 | 6 | B | 18 | |
| 4 | 5 | 3 | 6 | B | 5 | 3 | 8 | 4 | 7 | B | 19 | |
| 4 | 6 | 3 | 5 | B | 4 | 3 | 7 | 4 | 8 | B | 20 | |
| 4 | 7 | 3 | 8 | B | 7 | 3 | 10 | 4 | 9 | B | 21 | |
| 4 | 8 | 3 | 7 | B | 6 | 3 | 9 | 4 | 10 | B | 22 | |
| 4 | 9 | 3 | 10 | B | 9 | 3 | 12 | 4 | 11 | B | 23 | |
| 4 | 10 | 3 | 9 | B | 8 | 3 | 11 | 4 | 12 | B | 24 | |
| 4 | 11 | 3 | 12 | B | 11 | 3 | 14 | 4 | 13 | B | 25 | |
| 4 | 12 | 3 | 11 | B | 10 | 3 | 13 | 4 | 14 | B | 26 | |
| 4 | 13 | 3 | 14 | B | 13 | 3 | 3 | 4 | 4 | B | X | |
| 4 | 14 | 3 | 13 | B | 12 | 4 | 4 | 3 | 3 | B | X |