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1000 will arrive on 2021-07-26

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    Doorbell Communication Module, 3 output (Doorbell, DND, SVC)

    At the PDM, the L3-DBCM Doorbell Communication Module sends power to the L2-HSCT service control touchpad inside the room.  Do Not Disturb, Service Room, and doorbell button signals from the HSCT are provided at the DBCM in three open collector outputs and via the PDM Comm Bus as serial data events.  The DBCM physically fits in ports 1 and 2 at the left of the PDM.

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