Solis Dual LAN dongle SOLIS RS485 communication for photovoltaic inverter Solis S2-WL-ST €55.83 The new generation of communication monitoring module from Solis adopts 4-pin RS485 port and plug-and-play connection method. Applicable to areas covered by LAN signals, data collection is faster, wider and more reliable, up to 10 inverters can be connected at the same time. Add to basket