The power supply and signal are fully isolated, with stronger anti-interference ability and safer use!_x000D_ USB To RS485 converter allows PC users to connect their RS-485 devices to systems that use USB interface._x000D_ By attaching the converter to a PC, it will no longer be necessary to open the chassis or turn off the PC to install the hub._x000D_ With the converter, the user instantly gets one extra high-speed RS-485 ports._x000D_ In addition, since the power is derived from the USB port, there are not any cumbersome power adapters. This makes the converter especially suitable for PLCs, printers, POS system and industrial control devices._x000D_ _x000D_ Power supply: USB 5V_x000D_ Transmission distance: up to 1200 meters (9600bps)_x000D_ Chip solution: CH340E_x000D_ Communication protocol: pure hardware device, not subject to agreement_x000D_ Baud rate: up to 256000bps, supporting mutual transmission to support higher baud rate_x000D_ The power supply and signal are completely isolated, and the anti-interference ability is stronger_x000D_ Protection: TVS transient suppression protection, electrostatic ESD protection, surge protection, short AB signal line and short-circuit protection with power supply (short-circuit without burning)_x000D_ Temperature range: -40 C - 80 C_x000D_ Support system: support hot swap, support for win98 for CE for 2000 for 2003 for 2008 for XP for WIN7 for WIN8 for WIN10 for VISTA for LINUX for MAC OS X system, USB interface can be hot swapped_x000D_ Automatically identify and control the data transmission direction, without any handshake signals (such as RTS, DTR, etc.) without jumper settings to achieve mode conversion, to ensure compliance with the existing communication software and interface hardware._x000D_ Different batches, the color of the PCB board inside the converter is random, don't accept the specified color; computer display Different, the color of the converter may be different._x000D_ Colour: blue_x000D_ Material: PCB + plastic + metal_x000D_ Size: 70x27x13mm_x000D_ _x000D_ Package Contents:_x000D_ 2 * USB to RS485 Communication Module_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_