The SI-485PB-NR retrofit kit enables the establishment of RS485 communication. The off-grid inverter can communicate with SMA communication products and SMA inverters via RS485. RS485 communication interface as a retrofit kit for Sunny Island SI 5048, including: 1 x white adapter cable (from RJ45 to 3 open wires with wire end sleeves for clamping), 1 x terminating resistor, assembly instructions
