8
mFi
™
mPort
™
Serial
Serial TB
The Serial TB port is labeled for RS485 pinout. The table
lists the pinouts for RS232, RS422, and RS485. For more
information, refer to the mFi User Guide available at
www.ubnt.com/mfi
Function
RX
TX
Ground
Pinout
R-
R+
T-
T+
G
RS232
✓
✓
✓
RS422
✓
✓
✓
✓
*
RS485
✓
✓
✓
✓
*
* Technically not needed.
1. Wire one end of the serial cable to an industrial
networking device.
Note:
Wiring will vary depending on your device.
