Connection Pin Assignments
Analog Computer 1 and 2 Signal Input Ports:
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| Computer Input |
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| Analog |
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| 1. | Video input (red) | 9. | Not connected |
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| 2. | Video input | 10. | GND |
| 1 |
| (green/sync on green) | 11. | GND |
5 | 3. | Video input (blue) | 12. | ||
10 | 6 | 4. | Reserve input 1 | 13. | Horizontal sync signal |
15 | 11 | 5. | Composite sync | 14. | Vertical sync signal |
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| 6. | Earth (red) | 15. | Data clock |
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| 7. | Earth (green/sync on green) |
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| 8. | Earth (blue) |
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| Pin No. | Signal | Name | I/O | Reference |
1 |
| 5 | 1 | CD |
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| Not connected | |||
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| 2 | RD | Receive Data | Input | Connected to internal circuit |
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| 3 | SD | Send Data | Output | Connected to internal circuit |
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| 4 | ER |
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| Not connected |
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| 5 | SG | Signal Ground |
| Connected to internal circuit |
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| 6 | DR | Data Set Ready | Output | Not connected |
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| 7 | RS | Request to Send | Output | Connected to internal circuit |
6 | 9 |
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| 8 | CS | Clear to Send | Input | Connected to internal circuit | |||||
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| 9 | CI |
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| Not connected |
RS-232C Terminal: 9-pin Mini DIN female connector
| 8 | Pin No. | Signal | Name | I/O | Reference | |
| 1 | VCC | 3.3V (Reserved) | Output | Not connected | ||
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9 | 7 | 2 | RD | Receive Data | Input | Connected to internal circuit | |
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| 3 | SD | Send Data | Output | Connected to internal circuit | |
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| 4 | EXIR | Detector of Option Unit | Input | Not connected | |
6 | 3 |
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| (Reserved) |
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5 | SG | Signal Ground |
| Connected to internal circuit | |||
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| 6 | ERX | IR Receive Signal from | Input | Not connected | |
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| IR Amplifier (Reserved) |
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5 | 4 | 7 | RS | Request to Send | Output | Connected to internal circuit | |
8 | CS | Clear to Send | Input | Connected to internal circuit | |||
2 | 1 | ||||||
9 | ETX | IR Transmit Signal | Output | Not connected |
(Reserved)
Appendix