■ Compatible with RS-232 and RS-485 standards of EIA/TIA.
■ Automatic data transceiver without external volume control signal (RTS) and three-line (TXD, RXD and GND)communication.
■ Input interface: RS-232 and RS-485 interfaces.
■ Output interface: 4-port, RS-485 interfaces.
■ Communication rate: 300BPS-115.2KBPS
■ A maximum connection of 128 pieces of RS-485 interface devices.
■ Communication distance: 5 KM(9,600BPS).
■ Power indicator light, data traffic indicator light and malfunction indicator light available.
■ Working mode: asynchronous half-duplex (RS-485).
■ Enhanced photoelectric isolation (an isolation voltage as high as 2.5KVrms /500VDC isolation), dedicated DC/DC module, 600W lightning strike and surge protection and +/-15KV ESD protection and grounding interference protection for each RS-485 line.
■ Electric interface: double 10-bit wiring terminal (HY-8314)
■ Transmission media: twisted-pair cable or shielded cable.
■ Dimensions: 120mmX72mmX25mm
■ Working environment: -40℃ to 85℃, relative humidity 5% to 95%.
■ Plug-and-play and universally applicable on all the existing communication software.
■ Supporting DOS/WIN95/WIN98/WIN2000/NT/XP and Linux, etc.