Aten UC4854 Download Drivers and Manual

To compile the module
1) make

To load & unload the module dynamically (ie, after system boot up)
1) make load
2) make unload

To load & unload the module statically (ie, with system boot up)
1) make install
2) make uninstall

To switch between RS232 & RS485 modes use the flag "RS485mode" defined in ATEN2011.c
1) set Rs485mode = 1 for Rs485 mode.
2) set Rs485mode = 0 for Rs232 mode.

Features
?? Easy way to add 2 or 4 RS-232/RS-422/RS-485 serial ports
?? Fully compliant with USB 1.1; USB 2.0 compatible
?? Supports RS-232 (UC2322 / UC2324) or RS-422/485
(UC4852 / UC4854) serial interface
?? Each port can independently switch between RS-422 and
RS-485 (UC4852 / UC4854)
?? Supports automatic handshake mode
?? Up to 115.2 Kbps data transfer rate for each serial port
?? Dual data buffers for each upstream and downstream data
transfer
?? No IRQ, DMA, I/O address resources required
?? Supports hot-swapping and plug-and-play
?? Built-in 16KV ESD protection
?? Supports both bus power and external power
?? Works with cellular phones, PDAs, digital cameras, modems
and ISDN terminal adapters