Manual

TECHNICAL NOTES
TECHNICAL NOTESTECHNICAL NOTES
TECHNICAL NOTES
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
www.qtech.co.nzTel033663713
TheremotepowerON/OFFcontrollineturnstheNMOSFETtransistorQ1onandoffviatransistorQ2.Thepower
willbeON when 12 volts is applied to the remote powerON/OFF controlline and OFF when the remote power
ON/OFFcontrollineisgrounded.JumperJ1,wheninstalled,disablestheremotepowerON/OFFcontrol.
TheremotepowerON/OFFcontrollineshouldbeconnectedtothe
‘+’ terminaloftheQ22DATRANeXcelModule
powerconnector.InmostotherapplicationstheremotepowerON/OFFcontrollineisleftopenandjumperJ1is
installed.
Radio Interface
Radio InterfaceRadio Interface
Radio Interface
The embedded Maxon Radio interface on the Q80 Motherboard provides a simple and versatile half duplex
interfacebetweentheQ80Moduleand
QTech RTUmodulesorcustomerspecificequipment.
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
LocationofRadioInterfacecircuitry.
TheabovediagramshowsthelocationoftheQ80Moduleradiointerfacecircuitlocatedatthebottommiddleleft
handsideoftheQ80MotherboardasviewedwiththefrontpanelBNCRFconnectortotheright.
TheconnectionstoP3,the6wayDINModemsocketare:
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RadioPatchCordConnections
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PinNo.

Function
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1 Audioinput/output
2 Audioinput/output
3 +12voltsinterfacesupply
4 Transmitkeyline
5 Ground&cablescreen
6 Busyoutput
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ThediagrambelowshowstheRadiointerfacecircuitry.