ANDROMEDAManual Page16of56
3 RearPanelConnections
RF
GND RFearthingstud
ANT1‐3 3independentTX&RX1Antennaconnectors
RFBypass RXinputbypassingRXfiltering.PuresignalfeedbackinputforanexternalPA
EXT1 RXinputbypassingtheT/Rswitch
XVTRIn TransverterRFinput
ADC2 RX2Antenna
XVTR LowpowerTXsignaltoTransverter
10MHzin 10MHzreferenceinput
Power
ExtFan DONOTUSE
13.8VDC PowerPole®13.8VDC,30Apowersupplyinput
PC
3.5mmAudio PC3.5mm“TRRS”audioconnector
USB3,USB‐Cand
Thunderbolt
PCUSB3.1TypeAandTypeCconnectors.Akeyboardandmousecanbe
connected.AUSB3hubwillprovideHDMIforanexternaldisplay
Wi‐Fi Wi‐Fiantennaconnection
Aux
Radio
OCOut 7userconfigurableOpenCollectorOutputs
DigIn1 Userdigitalinput1
DigIn2 Userdigitalinput2
LLinein LeftTXaudiolineinput
RLinein RightTXaudiolineinput
PTTIn PTTInput:shortthissignaltogroundtoinitiatePTT
PTTOut PTToutput:groundedifTXactive(egtokeyexternalequipment)
LSPK Connectionforleftspeaker
RSPK Connectionforrightspeaker
Bootloaderswitch
(topleft)
Whensetto“On”theDSPboardwillbootupafterpowerupintothe“BOOT
Loading”state,andbereadytoreceivefirmwareupdatesusingtheHPSDR
bootloader.Setto“Off”fornormaloperation.
Opencollector
pinouts:
1:GND
2:REF
3:OC7
4:OC6
5:OC5
6:OC4
7:OC3
8:OC2
9:OC1
GND=0V
OC1‐OC7areseparateopencollector
outputs.Eachconnectsto0Vwhenactive.
REFshouldbeconnectedtothehighest
supplyvoltageusedbyOC1‐OC7(typically
5Vor12V)