USB-4COMi
Specifications & Features
- Serial connector : four DB9
male connector
- Power Supply: requires an external
power adapter (DC5V, 1.6A)
- Adds high speed RS-422 /
485 port via USB connection
- 384 byte receive buffer
- 128 byte transmit buffer for high
speed data throughput
- Requires no IRQ, DMA, I/O port
- Serial transmission speed up to
921.6 Kbps
- Suitable for 4-wire RS-422/485
and 2-wire RS-485 applications
- Auto receive/transmit control for
2-wire RS-485 half-duplex operation
- RS-422
data signals : Tx-, Tx+, Rx+, Rx-, GND, RTS-, RTS+, CTS+, CTS-
- RS-485
data signals : Tx-, Tx+, Rx+, Rx-(4 wire), and data-, data+(2 wire)
- Monitor LEDs of TxD, RxD of each
port indicating port status
- Virtual COM port drivers available
for Windows 2000/XP/2003/Vista