| SBus Printer Card 501-1540 Video Port SBus Printer Card 501-1910 Video Port 20-Pin to 25-Pin Cable 370-1365 20-Pin Hi-Density Female |
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| PIN | SIGNAL | PIN | SIGNAL |
| 1 | VCLK+ | 11 | VCLK- |
| 2 | LSYNC+ | 12 | LSYNC- |
| 3 | STATUS+ | 13 | STATUS- |
| 4 | PSYNC+ | 14 | PSYNC- |
| 5 | Do not use | 15 | Do not use |
| 6 | Do not use | 16 | Do not use |
| 7 | Do not use | 17 | Do not use |
| 8 | CBUSY- | 18 | CBUSY+ |
| 9 | CMD+ | 19 | CMD- |
| 10 | VDATA+ | 20 | VDATA- |
| SBus Printer Card 501-1540 Parallel Port SBus Printer Card 501-1910 Parallel Port 28-Pin to 28-Pin Cable 530-1694 28-Pin to 36-Pin Cable 530-1680 28-Pin Hi-Density Female |
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| PIN | SIGNAL | PIN | SIGNAL |
| 1 | DATA 0 | 15 | Do not use |
| 2 | DATA 1 | 16 | Do not use |
| 3 | DATA 2 | 17 | Do not use |
| 4 | DATA 3 | 18 | Do not use |
| 5 | DATA 4 | 19 | Do not use |
| 6 | DATA 5 | 20 | GND |
| 7 | DATA 6 | 21 | GND |
| 8 | DATA 7 | 22 | Do not use |
| 9 | GND | 23 | GND |
| 10 | DS | 24 | GND |
| 11 | BUSY | 25 | ACK |
| 12 | RESET | 26 | OUT/IN |
| 13 | AFXT | 27 | PE |
| 14 | SELECT | 28 | ERROR |