Cavo Adattatore 3M USB a RS485 RS422 con Morsettiera Chip FTDI-FT23+SP213 c
1 x USB to RS-422 RS-485 Adapter Cable(3M). 3 Signal light, red is power indicator light, green is send signal, orange is receive signal. Watch Balances Wheels Tack Holder Watchmakers Tool Watch Repairing Accessory.