Description:
4 Port usb rs422/485m software configurable VScom USB-2 COM PROTransfer Speed up to 1 Mbps RS422/RS485.USB-4COMi-SI-M 4-Port RS-422/485 USB-to-Serial Adapterwith Optical-isolation and Surge Protection Performanceparameter:
1, Standard: Conforms to USBV1.1 1.0, 2.0 standard EIARS-485,the RS-422 standard.
2, USB signal: VCC, DATA , DATA-, GND, FG.
3, RS-485 signal: T/R , T/R-, GND.
4, RS-422 signal: T/R , T/R-, RXD , RXD-, GND.
5, Working: Asynchronous work, point-to-point or multi-spots, 2half-duplexes, 4 full-duplexes.
6, Directional control: Uses the data to flow to the automaticcontrol technology automatic distinction and the control datadirection of transmission
7, The baudrate: 300-128000bps, detects the serial port signalspeed automatically.
8, Load capacity: Supports the point-multipoint each switch tobe possible to allow to connect 128 RS-422 or the RS-485 interfaceequipment.
9, Transmitting range: RS-485/422 carries 5000 meters (when9600bps), the USB mouth does not surpass 5 meters.
10, Connection protection: 600W thunderstroke, surge protection,±15KV static electricity protection.
11, Connection form: USB carries B kind of connection femalehead, the DB9 male head coupling connection.
12, The signal instructed that, Nine signal indicating lamppower source (PWR) transmits (TXD) to receive (RXD).
13, Transmission medium: Twisted pair line or shielded wire.
14, Transmission speed: 128000bps to 300M
38400bps to 2.4KM
9600bps to 5KM
15, External dimensions: 159mmX130mmX33mm.
16, Use environment: - 40°C arrives 85°C, the relative humidityis 5% to 95%.
17, Transmitting range: 0-5, 000 meter (128000bps-9600bps).
18, Supports Windows95/98/2000/xp, IMAG.
