| Pin | I/O | video/Ctrl_S |
|---|---|---|
1 | RS-2 RX | D2 IN-2 |
2 | RS-4 DTR | D4 IN-4 |
3 | RS-6 DSR | C2 OUT B |
4 | RS-8 CTS | C4 |
5 | KBDATA | B2 VCR6 |
6 | B4 VCR8 | |
7 | 6.3VAC | A2 VCR2 |
8 | +12 | A4 VCR4 |
9 | -12 | A3 VCR3 |
10 | A1 VCR1 | |
11 | KBCLK | B3 VCR7 |
12 | RS-9 RI | B1 VCR5 |
13 | RS-7 RTS | C3 OUT FX |
14 | RS-5 GND | C1 OUT A |
15 | RS-3 TX | D3 IN-3 |
16 | RS-1 DCD | D1 IN-1 |
| board | ||
| socket |
| A | B | C | D | |
|---|---|---|---|---|
| 1 | Ctrl_S VCR 1 | Ctrl_S VCR 5 | video "A" out | video 1 in |
| 2 | Ctrl_S VCR 2 | Ctrl_S VCR 6 | video "B" out | video 2 in |
| 3 | Ctrl_S VCR 3 | Ctrl_S VCR 7 | video "FX" out | video 3 in |
| 4 | Ctrl_S VCR 4 | Ctrl_S VCR 8 | video 4 in |