OverviewUT-885 is a universal USB to RS485 RS422 converter. It complies with USB, RS485 and RS422 standards. UT-885 converter provides connection for point to point, point to multipoint communication. For point to multipoint mode, each converter is allowed to connect 32 sets RS422 or RS485 devices with baudrate 300- 921.6K bps. SpecificationsUSB 2.0; compliable USB 1.1, 1.0; TIA/EIA RS-485, RS-422USB
Signals: VCC, DATA+, DATA-, GND, FGRS-485
Signals: T/R+, T/R-, GNDRS-422
Signals: TXD+, TXD-, RXD+, RXD-, GND
Working mode: Asynchronous, P2P, Point to multipoint, 2 lines half duplex, 4
lines all duplexDirectional control: Automatically determine and control the data transmission direction.
Baud rate: 300-921, 600bps, Automatically adapt serial port signal speed.
Load capacity: Point to multipoint, Max=32 RS-422 or
RS-485 interface devicesTransmission distance: RS-485/422 port 1.2KM (at 9, 600bps), USB&<5
metersInterface protection: 600W lightning strike, surge protection and 15KV
ESD protectionInterface types: USB port A-class males, and
RS-485/422 port 5Pin postsSignal indicators: PWR, TXD, RXD
Transmission medium: STP, UTP
External dimension: 62mm
x 33mm x 19mmEnvironment: -40 to 85, relative humidity 5%-95%Original Packing Included1x UT-885 USB to RS485 RS422 Converter1x CD Driver