This part is the field replaceable power supply for the Mainstreet family of IAD's. The power supply is for connecting to DC power in either 3612,3624, or 3630 rackmount, wallmount, desk top systems. The ringer is a seperate part.

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Please specify your question about This part is the field replaceable power supply for the Mainstreet family of IAD's. The power supply is for connecting to DC power in either 3612,3624, or 3630 rackmount, wallmount, desk top systems. The ringer is a seperate part. *

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