EBOX-3362 RS-485 x3, x4 Types features RS-485 x 3 or RS-485 x 4, LAN x 1 and Audio includes Line out and Mic in, integrates ultra low power 1GHz Vortex86DX3 CPU and 2GB DDR3 RAM into a All-in-One Module. This is a durable and reliable device that has passed extensive tests and certifications under tough conditions in permanent operation...