... .RS485,RS232,WAN,USB,PS2 4.super micro size Winson WNL-2000 1D Laser Barcode ScannerFeatures: • 100% independent intellectual property rights, 32 ... /TTL,RS485), User Guide, DC power supply (RS232/TTL,RS485) WNL-2000 Stationary 1D Laser Barcode Scanner