Spectrum digitizerNETBOX DN2.44 Series Hardware Manual page 8

Option Star-Hub (M3i and M4i only) .............................................................................. 164
Star-Hub introduction ........................................................................................................................................................ 164
Star-Hub trigger engine ............................................................................................................................................... 164
Star-Hub clock engine ................................................................................................................................................. 164
Software Interface ............................................................................................................................................................ 164
Star-Hub Initialization.................................................................................................................................................. 164
Setup of Synchronization ............................................................................................................................................. 166
Setup of Trigger ......................................................................................................................................................... 166
Run the synchronized cards ......................................................................................................................................... 167
SH-Direct: using the Star-Hub clock directly without synchronization .................................................................................. 168
Error Handling ........................................................................................................................................................... 168
Mode Block Average (Firmware Option) ........................................................................ 169
Overview ........................................................................................................................................................................ 169
General Information.................................................................................................................................................... 169
Principle of operation.................................................................................................................................................. 169
Simplified Block Diagram ............................................................................................................................................ 170
Setting up the Acquisition ............................................................................................................................................ 170
Recording modes ............................................................................................................................................................. 170
Standard Mode.......................................................................................................................................................... 170
FIFO Mode ................................................................................................................................................................ 171
Limits of pre trigger, post trigger, memory size ..................................................................................................................... 172
For cards with 12bit, 14bit and 16bit ADC resolution (firmware V14 and above): ............................................................. 172
For cards with 8bit ADC resolution, 32 bit data mode (firmware V14 and above): ............................................................. 172
For cards with 8bit ADC resolution, 16 bit data mode (firmware V14 and above): ............................................................. 172
Trigger Modes ................................................................................................................................................................. 172
Output Data Format.......................................................................................................................................................... 172
Data organization ............................................................................................................................................................ 173
Programming examples..................................................................................................................................................... 173
Mode Block Statistics (Firmware Option) ........................................................................ 175
Overview ........................................................................................................................................................................ 175
General Information.................................................................................................................................................... 175
Waveform Block Statistics............................................................................................................................................ 175
Simplified Block Diagram ............................................................................................................................................ 176
Setting up the Acquisition ............................................................................................................................................ 176
Recording modes ............................................................................................................................................................. 176
Standard Mode.......................................................................................................................................................... 176
FIFO Mode ................................................................................................................................................................ 177
Limits of pre trigger, post trigger, memory size ..................................................................................................................... 177
For cards with 12bit, 14bit and 16bit ADC resolution:.................................................................................................... 177
For cards with 8bit ADC resolution: .............................................................................................................................. 177
Trigger Modes ................................................................................................................................................................. 177
Information Set Format ...................................................................................................................................................... 178
Data organization ............................................................................................................................................................ 178
Programming examples..................................................................................................................................................... 179
Option Embedded Server ............................................................................................... 180
Acessing the Embedded Server .......................................................................................................................................... 180
SSH Connection ......................................................................................................................................................... 180
Login ........................................................................................................................................................................ 180
Mounting network folders ............................................................................................................................................ 180
Access to NTP (Network Time Protocol) ......................................................................................................................... 180
Editors....................................................................................................................................................................... 181
Installing packages ..................................................................................................................................................... 181
Programming ................................................................................................................................................................... 181
Accessing the cards .................................................................................................................................................... 181
Examples................................................................................................................................................................... 181
Autostart.................................................................................................................................................................... 181
LEDs.......................................................................................................................................................................... 182
Appendix ...................................................................................................................... 183
Error Codes ..................................................................................................................................................................... 183
Spectrum Knowledge Base .......................................................................................................................................... 184
Temperature sensors ......................................................................................................................................................... 185
Temperature read-out registers ..................................................................................................................................... 185
Temperature hints ....................................................................................................................................................... 185
44xx temperatures and limits ....................................................................................................................................... 185
Details on M4i/M4x cards I/O lines .................................................................................................................................. 186
Multi Purpose I/O Lines............................................................................................................................................... 186
Interfacing with clock input .......................................................................................................................................... 186
Interfacing with clock output......................................................................................................................................... 186
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