In observance of our nation's independence, Comrex offices will be closed on Friday, July 4th. Comrex email and phone support will not be available on July 4th. Please plan accordingly. Our offices will reopen on Monday, July 7th at 8 a.m. EDT. Have a happy and safe Fourth of July!

Hotline

Resources

Hotline Manual

Technotes

POTS Basics

Fixing Bad POTS Lines

POTS Over ISDN

POTS vs ISDN

Using a POTS Codec on a Dry Pair

Modem Line Checklist

Notes on Business Telephone Systems

POTS Modems vs IP Telephony

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.