3onedata Make network communication more reliable DIN-Rail Mounting 4-port RS-485 HUB with Isolation • Support 1 RS-232/485 upper computer port, and 4 RS-485 lower computer port • Each lower computer port can connect to 32 standard RS-485 devices(nodes) • Support cascading of multiple SW4485I, up to 256 RS-485 buses • Automatic serial port signal rate detection, support 300bps~115200bps serial port baud rate, zero-delay conversion • Serial port provides 15kV electrostatic protection and 2kVAC isolation protection • Unique automatic detection and alarm of RS-485 signal reverse connection Your Reliable Industrial Communication Expert

Your Reliable Industrial Communication Expert SW4485I is a RS-485 bus split HUB designed for addressing RS-485 large scale system needs in complex electromagnetic field. It supports up to 115.2kbps transmission rate and adopts bidirectional transparent transmission that could split 1 RS-485 bus into 4 RS-485 buses or transparently transmit any RS-485 signal to the RS-485 bus or RS-232 of the upper computer. Each RS-485 port of this product’s lower computer is equipped with reverse connection fault alarm and protection function, which has improved the reliability of current RS-485 network remarkably...

RS-485 signal: D+, D-, GND Baud rate: 300bps~115200bps Data bit: 5bit, 6bit, 7bit, 8bit Stop bit: 1bit, 1.5bit, 2bit Check bit: None, Odd, Even, Mask, Space Interface form: upper computer port (RS-232/485), adopts 5-pin 5.08mm pitch terminal blocks ; lower computer port(RS-485), adopts 10-pin 5.08mm pitch terminal blocks Transmission distance: RS-232 serial port, 15m; RS-485 serial port, 1200m Direction control: RS-485 adopts automatic data flow control technology, which could detect and control the direction of data flow Load capacity: RS-485 supports 32-point polling environment Interface protection:...

Shock: IEC 60068-2-27 Free fall: IEC 60068-2-32 Vibration: IEC 60068-2-6

Your Reliable Industrial Communication Expert Address: 3/B, Zone 1, Baiwangxin High Technology Industrial Park, Song Bai Road, Nanshan District, Shenzhen, 518108, China TEL.: +86-755-26702668 ext 835 FAX: +86-755-26703485 E-mail: [email protected] Website: www.3onedata.com Please scan our QR code for more details *Product pictures and technical data in this datasheet are only for reference. Updates are subject to change without prior notice. The final interpretation right is reserved by 3onedata.