
© MiMOMax Wireless Ltd
Pyxis Product Manual
3
TABLE OF CONTENTS
1ABBEVIATIONSANACRONYMS..................................................................................................................................................5
2PYXISSYSTEMOVERVIEW..........................................................................................................................................................7
2.1TYPICALTIER2PYXISNETWORK............................................................................................................................................................8
2.2MULTIPOINTDIGITALLINKS(MDL)......................................................................................................................................................8
3SAFETYWARNINGS...................................................................................................................................................................10
3.1MODIFICATIONS............................................................................................................................................................................10
3.2TRANSMITTERANTENNA..................................................................................................................................................................10
3.3SAFETYDISTANCE...........................................................................................................................................................................10
3.4FCCRFEXPOSURESTATEMENT........................................................................................................................................................10
3.5ELECTRICALSAFETYCABLESCREENING.................................................................................................................................................10
3.6MAINSCONNECTION.......................................................................................................................................................................10
3.7FCC15.19STATEMENT..................................................................................................................................................................11
3.8FCC15.105(B)STATEMENT............................................................................................................................................................11
4PYXISRADIOUNITOVERVIEW...................................................................................................................................................12
4.1DIGITALPROCESSINGSYSTEM...........................................................................................................................................................12
4.1.1Powersupply........................................................................................................................................................................12
4.1.2CentralProcessorUnit..........................................................................................................................................................12
4.1.3FPGA.....................................................................................................................................................................................12
4.1.4Reference&ClockSynthesisers............................................................................................................................................12
4.1.5DualEthernet.......................................................................................................................................................................12
4.1.6DualSerial............................................................................................................................................................................12
4.1.7GPIO.....................................................................................................................................................................................12
4.1.8Alarm....................................................................................................................................................................................13
4.1.9FrontPanelLEDs...................................................................................................................................................................13
4.2RECEIVERRF/IFSECTIONS...............................................................................................................................................................13
4.2.1FrontEnd..............................................................................................................................................................................13
4.2.2MixerandLOBuffer.............................................................................................................................................................13
4.2.3IFandBackendTransceiverIC..............................................................................................................................................13
4.2.4ReceiverLocalOscillator.......................................................................................................................................................13
4.3TRANSMITTERRF/IFSECTIONS.........................................................................................................................................................13
4.3.1ForwardSignalPath.............................................................................................................................................................13
4.3.2TransmitterLocalOscillator.................................................................................................................................................14
4.4POWERREQUIREMENTS...................................................................................................................................................................14
4.4.1VoltageRange......................................................................................................................................................................14
4.4.2StaticPowerPerInput..........................................................................................................................................................14
4.4.3StartingCurrent....................................................................................................................................................................15
4.4.4SupplyPolarity(IsolatedPowerSupply)...............................................................................................................................15
4.4.5Grounding.............................................................................................................................................................................15
4.4.6SupplyNoise.........................................................................................................................................................................15
4.4.7OperatingfromACMains:....................................................................................................................................................15
4.5ETHERNET1AND2.........................................................................................................................................................................15
4.6SERIAL1AND2.............................................................................................................................................................................15
4.6.1RS232pinoutisasperthetablebelow................................................................................................................................16
4.6.2RS485fullduplexpinoutisasperthetablebelow..............................................................................................................16
4.6.3RS485halfduplexpinoutisasperthetablebelow.............................................................................................................16
4.7GPIO/ALARM/REF.....................................................................................................................................................................16
4.7.1ConfigurationoftheGPIO....................................................................................................................................................16
4.7.2GPIOasanaloginput:...........................................................................................................................................................17
4.7.3GPIOasDigitalOutput:........................................................................................................................................................17
4.7.4GPIOPinOut.........................................................................................................................................................................17
4.8USB...........................................................................................................................................................................................18
4.9GPS...........................................................................................................................................................................................18
4.10LEDBEHAVIOUR.............................................................................................................................................................................18
5RADIOSETUPANDCONFIGURATION.........................................................................................................................................19
5.1TESTINGTHENETWORKSETUP..........................................................................................................................................................19