www. m oxa. com Railway Computers > UC-8481 Series Railway Computers 22-36 22 Rear View 200 (7.87) 57 (2.24) 120 (4.72) Serial Ports x 2, DB9 (RS-232/422/485) USB 2.0 Ports x 2 Reset Button Wireless Antenna Connectors x 7 (Wi-Fi, 3G, GPS) LED Indicators x 4 (Tx, Rx) Configuration Switch Dimensions Unit: mm (inch)