Plena Mixer Amplifier Installation and User Instructions Connections and settings
4.1.5.2Connecting telephone lines
Connect the telephone lines as shown in figure 4.7.
Caution
A connection to a telephone network must always be made via a telephone coupler that provides adequate isolation between the telephone network (PBX) and the Plena system. The telephone coupler must also meet all relevant requirements for this type of communication equipment as imposed by law and/or responsible telecommunication organizations in the country of use. Never try to make a direct connection between the telephone network and the mixer amplifier.
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figure 4.7: Connecting emergency telephone lines
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