Serial Port Module Isolated 6-in-1 FT232 USB/485/422/232/TTL Converter YN4561I´
Model: YN4561I. 1kV isolation between USB, RS‑232, RS‑485/422, TLL, support mutual conversion between USB and RS‑232, USB and RS‑422/485, USB and TTL, TTL and RS‑S232, TTL and RS‑422/485, RS232 and RS‑422/485.