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Eight independent RS-422/485 serial ports
Automatic RS-485 data flow control
Transmission speeds up to 921.6 Kbps
Shared IRQ settings for each port
Windows® 95/98/NT/ME/2000/XP, Windows® CE driver
Built-in termination resistors
LED indicators: TX, RX
Standard PC ports: COM1, COM2, COM3, COM4 compatible