The tBOX323-835-FL is a fanless computer system for use in railway environments. Designed to comply with EN50155, EN50121, EN45545 the system is ready to use on rolling stock. The tBOX323-835-FL is based around the Intel Quad Core E3845 processor offering great performance versus power consumption. The system features five isolated serial ports, two Ethernet ports, digital I/O and two SIM card slots for cellular communication. The system can be powered via DC voltages from 12V to 32V DC and offers a wide operating temperature of -40°C ~ +70°C to comply with EN50155 class TX.