RS-232 to 2/4-wire RS-485 or RS-422 conversion Ideal for industrial environments Supports RS-422 and RS-485 auto detect and manual switching ± 15 kV ESD protection on all signal pins Supports baud rates up to 921.6 kb/s Bidirectional LED indicator Wall-mountable Supports a maximum connection distance of 1200 m Connectors: 1 x DB9 male - 1 x DB9 female Includes: AC adapter (NA/EU/GB)