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IP500 V2/V2A IP Office Basic Edition

This port is found on the rear of all IP Office control units. It is used for the input of an external music-on-hold sound source. Note that if the IP Office has loaded an internal music-on-hold sound file, any input from this socket is ignored.

The port is a 3.5mm stereo jack socket suitable for use with the most standard audio leads and connection to the 'headphone' output socket of most audio systems.

The use of a 'headphone' socket allows simple volume adjustment. Connection via a 'Line Out' socket may require additional equipment in order to adjust the volume level.

Pin No.





rxAudio In - Left Channel.


rxAudio In - Right - Channel.

Input impedance: 10k /channel. Maximum a.c. signal – 200mV rms.



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Issue 38.g.-
Tuesday, July 19, 2022