| SN65176B | RS 232, 422, 485, 644, X21, V35 |
| SN65175 | RS 232, 422, 485, 644, X21, V35 |
| SN65173 | RS 232, 422, 485, 644, X21, V35 |
| SN65176B | RS 232, 422, 485, 644, X21, V35 |
| SN65176B | RS 232, 422, 485, 644, X21, V35 |
| SN65173 | RS 232, 422, 485, 644, X21, V35 |
| SN65173 | RS 232, 422, 485, 644, X21, V35 |
| SN65175 | RS 232, 422, 485, 644, X21, V35 |