■ Exquisite mini-sized with DB9 connector and wiring post connector.

■ Compatible with RS-232 and RS-485, RS-422 standards of EIA/TIA.

■ Automatic data transceiver without external volume control signal (RTS).

■ Power supply Unique adoption of serial charge pump without external

    power supply, and three-line (TXD, RXD and GND) communication

■ without necessity for initialization of the serial ports to obtain power supply.

■ A maximum connection of 32 pieces of network devices.

■ Communication distance: 1.2 KM

■ Communication rate: 300BPS-115.2KBPS

■ Transmission media: twisted-pair cable or shielded cable.

■ Working modes: applicable for both asynchronous half duplex (RS-485)

    and asynchronous full duplex (RS-422) without any jumper settings needed.

■ Plug-and-play and universally applicable on all the existing communication

    software.

■ Dimensions: 63mm×33mm×17mm.

■ Working environment: -25℃ to 70℃, relative humidity 5% to 95%.

■ Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc.