www. m oxa. com Railway Computers > V2400 Series Expansion Modules Railway Computers 22-32 22 EPM-DK03 EPM-DK02 Connectors x 4 (reserved) Mini PCIe Socket 1 Mini PCIe Socket 2 SIM Card Holder 1 Top View Bottom View Side View SIM Card Holder 2 X1 X2 X3 X4 Mini PCIe Socket 1 Mini PCIe Socket 2 Top View Bottom View Side View Antenna Connectors x 4 GPS connector X1 X2 X3 X4 SIM Card Holder 1 SIM Card Holder 2 EPM-3032 Specifications Serial Interface Serial Standards: 2 RS-232/422/485 ports, software-selectable (DB9 male) Isolation: 2 kV digital isolation Serial Communication Parameters Data Bits: 5, 6, 7, 8 Stop Bits: 1, 1.5, 2 Parity: None, Even, Odd, Space, Mark Flow Control: RTS/CTS, XON/XOFF, ADDC® (automatic data direction control) for RS-485 Baudrate: 50 bps to 921.6 kbps (non-standard baudrates supported; see user’s manual for details) Serial Signals RS-232: TxD, RxD, DTR, DSR, RTS, CTS, DCD, GND RS-422: TxD+, TxD-, RxD+, RxD-, GND RS-485-4w: TxD+, TxD-, RxD+, RxD-, GND RS-485-2w: Data+, Data-, GND Physical Characteristics Weight: 137 g (0.30 lb) Dimensions: 104 x 121 x 34 mm (4.09 x 4.76 x 1.34 in) Environmental Limits Operating Temperature: -40 to 70°C (-40 to 158°F), EN 50155 Class TX