| 1 | Configurable I/O functionality | TTL | 1 | | 26 | Ground |
| 2 | Configurable I/O functionality | TTL | 27 | Ground |
| 3 | Configurable I/O functionality | TTL | 28 | Ground |
| 4 | Configurable I/O functionality | TTL | 29 | Ground |
| 5 | Configurable I/O functionality | TTL | 30 | Ground |
| 6 | Configurable I/O functionality | TTL | 31 | Ground |
| 7 | Configurable I/O functionality | TTL | 32 | Ground |
| 8 | Configurable I/O functionality | TTL | 33 | Ground |
| 9 | Configurable I/O functionality | TTL | 34 | Ground |
| 10 | Configurable I/O functionality | TTL | 35 | Ground |
| 11 | Configurable I/O functionality | TTL | 36 | Ground |
| 12 | Configurable I/O functionality | TTL | 37 | Ground |
| 13 | Configurable I/O functionality | TTL | 38 | Ground |
| 14 | Configurable I/O functionality | TTL | 39 | Ground |
| 15 | Configurable I/O functionality | TTL | 40 | Ground |
| 16 | Configurable I/O functionality | TTL | 41 | Ground |
| 17 | Configurable I/O functionality | TTL or RS422 | 2 | 42 | Configurable I/O functionality | TTL or RS422 | 2 |
| 18 | Configurable I/O functionality | TTL or RS422 | 43 | Configurable I/O functionality | TTL or RS422 |
| 19 | Configurable I/O functionality | TTL or RS422 | 44 | Configurable I/O functionality | TTL or RS422 |
| 20 | Configurable I/O functionality | TTL or RS422 | 45 | Configurable I/O functionality | TTL or RS422 |
| 21 | Configurable I/O functionality | TTL or RS422 | 46 | Configurable I/O functionality | TTL or RS422 |
| 22 | Configurable I/O functionality | TTL or RS422 | 47 | Configurable I/O functionality | TTL or RS422 |
| 23 | Configurable I/O functionality | TTL or RS422 | 48 | Configurable I/O functionality | TTL or RS422 |
| 24 | Configurable I/O functionality | TTL or RS422 | 49 | Configurable I/O functionality | TTL or RS422 |
| 25 | Ground | 50 | Ground |