The nROK 6222, based on Intel Atom® quad core processor x7-E3950 (1.60 GHz), is specifically comply with stringent EN 50155 standard in rugged, fanless and compact mechanism. The nROK 6222 provides complete communication capability between train and computer with build-in CAN bus 2.0B interface. Equipped with intelligent power management, the nROK 6222 can be waked on by ignition, RTC timer or SMS message remotely. The nROK 6222 supports four 802.3af/at PoE ports (up to 60W) to connect with IP cameras. The design of 2.5" removable SSD and SD memory card helps to access storage easily. The nROK 6222 keeps the flexibility to meet the demand for video surveillance in train application. Moreover, The nROK 6222 is protected against sudden power surges through an attachable VTK-6222-PK power isolation kit.