Random triples
| Subject | Object |
|---|---|
| gptkb:RS-232_interface | +3 to +15 V (mark), -3 to -15 V (space) |
| gptkb:EIA_RS-232 | +3 to +15 V (mark), -3 to -15 V (space) |
| Subject | Object |
|---|---|
| gptkb:RS-232_interface | +3 to +15 V (mark), -3 to -15 V (space) |
| gptkb:EIA_RS-232 | +3 to +15 V (mark), -3 to -15 V (space) |