iSMA-B-CVT-RS485 Qty: -+ SKU: iSMABCVTRS485 $115.97 Quantity discounts available QuantityPrice Add to Cart Call for Availability - (510) 636-7900 DetailsDetailsUSB to RS485 Converter, USB 1.0 and 2.0 compatibile, built-in status LEDs, switchable terminating resistor, EEPROM memory. Communication over 3-wire bus. The miniUSB to USB cable is not included.