ABC 80 V24
Available at Luxor ABC 80.
Pinout

9 PIN D-SUB MALE at the Computer

9 PIN D-SUB FEMALE at the Modem/Printer Cable
| Pin | Name | Dir | RS-232C |
|---|---|---|---|
| 1 | DTR | → | 20 |
| 2 | TxD | → | 2 |
| 3 | RxD | ← | 3 |
| 4 | /RTS | → | 4 |
| 5 | /CTS | ← | 5 |
| 6 | +12V | → | (max 100mA) |
| 7 | SG | ─ | 7 |
| 8 | /DCD | ← | 8 |
| 9 | -12V | → | (max 100mA) |
Note: Direction is ABC 80 relative devices.
TTL levels?