Qtech-data-systems Q71 External 1200bps Modem User Manual download pdf (Page 2)

Q71B–QuickStartGuide–v1.1–April2013

www.qtech.co.nz Tel:033663713

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Overview

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TheQ71BmodemallowsyoutoconnectaDATRANRTUviaanRS232serialporttoa

DATRAN1200bpsradiocommunicationssystemusingtheV.23FSKprotocolbutwithout

the backward channel. This allows 1200bps in both directions as the modem is uses a

specialturnaroundfeature.

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The Q71B interfaces to either a Tait TM81xx radio (fitted with a Q82 interface), or a

DATRANQ80telemetryradio.

TheradiotypeneedstobespecifiedsoQTechcansupplythecorrectcable.

EachQ71Bissuppliedcompletewitha1mRadiocableanda400mmRS232serialcable.

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The Q71B can also simplify radio network upgrades from 300bps to 1200bps as it

removestheneedtochangetheinternalmodemhardware.

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Prerequisites

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TheDATRANIIeXcelmusthaveQ03firmwarev5.21orlater.

TheQ90softwarerequiredisv3.27orlater.

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IfusingtheDATRANXL4RTU,allversionsarecompatible.

AllversionsofWorkbenchsoftwarearecompatible.

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Qtech-data-systems Q71 External 1200bps Modem User Manual Page 2