User guide

Appendix A: Electrical Pin Descriptions

INSTALLATION AND USER GUIDE 38

ISA module: IR Port

Thefollowingfigureshowsthe3.5mm(1/8”)IRconnections.

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Figure 9. IR-port connector (IR-receiver version)

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ThefollowingtabledescribestheIRinterfacepinsandtheircorrespondingsignals.



Table18.IR‐portPinsandSignals

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Pin

SignalDescription

(IRinputmode)

SignalDescription

(IRoutputmode)

Tip IRdatainput. IR‐LEDemitteroutput.

Ring Signalground. Signalground.

Sleeve +12VDCpowerforIRreceiver.



ImportantNote:

AnIR‐receiverusuallyconnectswithastereo‐phonoplug(3contacts:TIP,RING,SLEEVE).Thisisthe

connectorshownabove.

However,anIR‐LEDemittertypicallyusesamono‐phonoplug(2contact:TIP,SLEEVE).Thistypeofconnector

issimilartothepictureabove,exceptthere

isnoseparateRINGcontact.TheSLEEVEcontactissimplylonger.



Note:TheIRcapabilityisdesignedintothehardware,butnotcurrentlysupportedbythefirmware.Check

withMagentaResearchforapplicablefirmwareupdates.

3.5mm

IR jac