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For extended use, please buy two.
1. This product is a Wigan signal extender. It is recommended to use it in pairs
2. Each module will automatically realize the conversion between WG and 485
3. The maximum Wigan number is 80 bits
A box of 300m copper-clad aluminum 8-core 0.52mm network cable, 8-core can be connected from two ends into 1200m 2-core cable, the two ends are connected to the AB end of two converters, the WG end of one converter is connected to the card reader, the WG end of one converter is connected to the WG to serial tool, swipe the card, the data indicators of two converters flash respectively, and the serial tool software displays the correct data and normal communication.