The CasaTunes trigger card provides one trigger input and four trigger outputs. The CasaTunes trigger card is not included with your CasaTunes Music System. It must be purchased separately.
The input trigger can be used to mute, page, or play a custom chime in all rooms that are configured for paging. You can configure the input trigger in CasaSetup to trigger when the signal goes either from low to high, or high to low. If you are using the trigger for paging, you must specify the input source on the CasaTunes 6X6 matrix amplifier to use for the page audio. You connect the audio from your paging hardware to this source. If you are using the trigger to play a custom doorbell chime, you must specify the CasaTunes media player source to use to play the custom chime. This source is dedicated to playing the custom chime, which means there will be one less media player source available for general music playback.
For doorbell integration we recommend using the ELK 930, which supports 2 x doorbell and 1 x telephone line. The ELK 930 pulls the signal from high to low when the doorbell is pressed or the telephone is ringing.
Each of the four trigger outputs can be assigned to one or more rooms, such that, whenever any of the rooms are powered, the trigger output will be switched from low to high, or 0 to 12V. This signal can be used to trigger external equipment when a room is powered on, for example, a trigger could be used to control a speaker A/B switch when sharing speakers between 2 different amplifiers, or it could be used to turn a secondary amplifier in and out of standby mode (refer to the tech note Adding an alternate power amplifier).
The jack labeled Mute on the back panel of the trigger card is used for triggering the muting/paging/custom chime.The trigger signal applied to the Mute input must be 5-12 volt DC signal. The trigger signal can go either from low to high, or high to low.
Figure 1 shows how the input trigger 3.5 mm jack should be wired. The sleeve is the GND input, and the tip is the trigger signal. The trigger signal can be 5-12V.
To enable the input trigger functionality, follow these steps:
If you selected mute rooms, then:
If you selected page rooms, then:
If you selected play doorbell chime, then:
Once you have enabled muting, paging or playing a custom doorbell chime, then the next step is to configure which rooms should be included (by default all rooms are), and configure the paging volume level for each configured room.
If you are using a doorbell, you might need additional hardware to generate the 12V DC signal to the CasaTunes trigger input. We recommend using the Elk 930. Most doorbells operate off of a doorbell transformer that supplies an AC voltage. The Elk 930 simply throws a relay when it detects the doorbell AC voltage.