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The UP-USB-4 is an industrial level USB to RS-232/485/422 converter with power supply from USB port that no need external power supply, which can be used to convert any standard USB port into a three-wire RS-232 port, a two-wire RS485 port, or a four-wire RS422/RS485 port and vice versa. Built-in 600W surge protection, 15kV static protection and circuit protection effectively avoid damage caused by lightning strikes, surges and other factors.
UP-USB-4 can be used to communicate with one loop of up to 128 units of RS485/RS422 devices, which supports serial data rates up to 115,200bps, auto-sensing and self-adjusting, no DIP switch or jumpers are required, which widely used in intelligent power management, power system automation, water conservancy monitoring, industrial automation, distributed data acquisition and other occasions.
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