Add-on module for the Jetway NF9D, NF99, NF92, and NF96-series mainboards. Provides 4 additional RS-232 COM ports, two RS-232 are externally accessible and two RS-232/422/485 are accessible via pin headers (cables included). Includes backplate (I/O shield).
- Supports 4 x DB-9 ports: 2 x RS-232 (externally accessible) and 2 x RS-232/422/485 from onboard pin headers
- Supports auto RTS RS-485 flow control
- Supports powered RS-232 selectable