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The USB-485-1 is a port-powered, bi-directional, integrated USB to RS485 adapter / converter that can be used to convert any standard full-duplex USB port into a two-wire balanced half-duplex RS485 port and vice versa. The unit can be used to communicate with one loop of up to 256 units of RS485 devices and it comes with a built-in selectable 120-Ohm terminator for system reliability and easy installation (see Application Note). This USB to RS485 adapter / converter is powered from the USB port and it supports data auto-sensing & self-adjusting, therefore, no baud rate setting is required. And with the data direction auto-turnaround technology, no external power or flow control is required for RS485 communications. The USB to RS485 adapter / converter uses the latest FTDI chipset and is fully compatible with Windows 10 / 8 / 7 / Vista
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Supports up to 256 units of RS485 devices 300 to 3M Baud operation (auto-sensing and self-adjusting) Built-in selectable 120Ω end-of-line terminator
USB to 2-Wire RS485 Adapter, FTDI Chipset, Built-in 120-Ohm Terminator, Supports All Major Windows, Mac, and Linux
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