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Hotline

Resources

Technotes

POTS Basics

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Fixing Bad POTS Lines

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POTS Over ISDN

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POTS vs ISDN

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Using a POTS Codec on a Dry Pair

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Modem Line Checklist

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Notes on Business Telephone Systems

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POTS Modems vs IP Telephony

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Parts

Hotline Power Supply with Barrel Connector

$75

If you are unsure which connector type you have, please contact Comrex.

IEC power cord not included.