100 Series Intercom Stations
Page 4
Document IM- ICM-100-2.2
Talkback Kit Microphone Installed
The circuit board of the talkback kit is encased in a non-conductive heat shrunk case with two strips of Velcro
mounted on the back. Remove the exposed adhesive protective strip from the Velcro and gently press the
talkback kit on to a convenient mounting location on the loudspeaker cone frame as in the following illustration.
Talkback Kit Installation Complete
Finally, make the electrical connections to the talkback kit for the loudspeaker and optional switches. The
loudspeaker connection must be made through a 25 volt matching transformer at a power tap not exceeding one
watt. The following table gives the wire colors and signals for the ICB-100 Intercom Talkback kit.
