| style="text-align: center;" | Phoenix 1755749 MSTBVA2.5/3-G5.08
| style="text-align: center;" | UART8
| style="text-align: center;" | See [[#RS485 on Phoenix 1755749 MSTBVA2.5/3-G5.08 (vertical; J38, J39)|this section]].
| style="text-align: center;" | RS485
| style="text-align: center;" | not populated