- Baud rates from 1,200 up to 115,200 bps
- Built-in Self-Tuner (Auto-direction control)
- 2500 VDC Isolation
- Internal 128-byte Hardware FIFO for each Port
X511i is a RS-485 port expansion board for use with I-7188XB, I-7188EX and uPAC-7186EX series controllers. X511i provides 3 isolated RS-485 serial ports that have 128-byte FIFO buffers and support communication speeds up to 115,200 bps.