You can browse the above products or from the product selection guide below. 

USBPort/x & USB400 products for USB bus offer performance, simplicity of installation, security, robustness and high reliability at affordable prices. Products exist in 1, 2 and 4 ports with 3 in 1 serial interface RS232, RS422 & RS485 and galvanic isolation depending to models to cover all technical requirements of industrial environments.

Installation is quite simple as the product is instantly plug & play, it doesn't require any IRQ, DMA or I/O port resources. Installed serial ports are considered by Windows 9x, Windows 2000, Windows XP, Linux operating systems as computer's standard COM ports.

	USBPort2 or USBPort4	USB400
Applications	IA, PLC, CNC, SCADA	IA, PLC, CNC, SCADA, POS
Format	Table sace	Dongle
Number of channels	2 or 4	1
RS type	RS232, RS422/RS485 (2/4 wires)	RS422/RS485 (2/4 wires)
RS485 self line turn-around
Maximum speed	921 Kb/s Full duplex	921 Kb/s Full duplex
Serial connection	Female Sub D9 (RS232), screw-in terminal block	5-point screw-in terminal block
Power supply	From USB bus or external (+9VDC to +36VDC)	USB bus powered
USB bus type	2.0, 1.1 compatible	1.1, 2.0 compatible
Galvanic isolation	2500 Veff for RS422 / RS485 link	-
Signalling LEDs

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