TABLE OF CONTENTS
1. INTRODUCTION .................................................................................................. 7
1.1. Purpose of Document ................................................................................................................... 7
1.2. Applicable Documents ................................................................................................................. 7
1.3. NX35 Usage ................................................................................................................................... 7
2. SYSTEM OVERVIEW ........................................................................................... 8
2.1. Hardware Sub-systems ................................................................................................................ 8
2.2. High-level System Overview ........................................................................................................ 9
2.3. Block Diagram ............................................................................................................................... 10
2.4. Identification and Options ............................................................................................................ 11
3. EXTERNAL INTERFACES ................................................................................... 12
3.1. Wiring Connections and Connectors.......................................................................................... 12
3.2. Signal Description – Main/Secondary Connector ...................................................................... 15
3.3. Environmental ............................................................................................................................... 16
3.4. Power ............................................................................................................................................. 16
3.5. Mechanical ..................................................................................................................................... 17
3.6. LEDS ............................................................................................................................................... 17
3.7. GNSS .............................................................................................................................................. 18
3.8. Cellular ........................................................................................................................................... 18
3.8.1. Option 1 - u-blox SARA-G350 Cellular Module ....................................................................... 18
3.8.2. Option 2 - u-blox LISA-U200 Cellular Module ......................................................................... 19
3.8.3. Option 3 - u-blox TOBY-L200 Cellular Module ........................................................................ 19
3.8.4. Option 4 - u-blox LISA-C200 Cellular Module ......................................................................... 20
3.8.5. Option 5 – Sierra Wireless WP7504 Cellular Module .............................................................. 20
3.9. Bluetooth® ...................................................................................................................................... 20
4. INTERNAL COMPONENTS ................................................................................. 21
4.1. Accelerometer ............................................................................................................................... 21
4.2. On-Board Memory ......................................................................................................................... 21
4.3. SIM Card Interface......................................................................................................................... 21