QSC-200/300 Pinout: DB-37 Female Optional Cable: 4 Port DB-9 Male or DB-25 Male
SIGNAL |
PORT 1 |
PORT 2 |
PORT 3 |
PORT 4 |
| Data Output+ | PIN 24 | PIN 10 | PIN 33 | PIN 19 |
| Data Output- | PIN 5 | PIN 28 | PIN 14 | PIN 37 |
| Data Input+ | PIN 23 | PIN 9 | PIN 32 | PIN 18 |
| Data Input- | PIN 4 | PIN 27 | PIN 13 | PIN 36 |
| Auxiliary Output+ | PIN 21 | PIN 7 | PIN 30 | PIN 16 |
| Auxiliary Output- | PIN 22 | PIN 8 | PIN 31 | PIN 17 |
| Auxiliary Input+ | PIN 20 | PIN 6 | PIN 29 | PIN 15 |
| Auxiliary Input- | PIN 2 | PIN 25 | PIN 11 | PIN 34 |
| Ground | PIN 3 | PIN 26 | PIN 12 | PIN 35 |
