Okay so I finally figured it out.
Install a U-03R module in the TOA 900. Mount and connect the WMT-1A(600 ohms) to an analog port set to paging. Adjust the cut filters on the U-03R until there is no hum.
Hello,
I am attempting to interface our new IP Office with our existing TOA Amp that handles our over head music/paging.
I have a UPAM, have a port set to IVR(Loop Start?). On the back end I have a TOA 900 with U-11, U-01, U-03 Modules.
TOA 900 modules
I have configured the UPAM according...
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