Pinit Victron RS485-USB Interface; 1.8m SKU: VN-RS485-USB-1.8M For connections between Venus GX (or Color Control GX) controllers and RS485 Energy Meters. Login for pricing DESCRIPTION SPECIFICATIONS PDFS, DOWNLOADS & VIDEOS RS485-USB Interface cables are available in 1.8m and 5.0m lengths. They connect a separated Energy Meter (i.e. Carla Gavazzi 1? and 3? consumption meters) to the Victron Venus GX and Color Control GX communications platforms.