This part is the field replaceable power supply for the Mainstreet family of IAD's. The power supply is for connecting to AC mains in either 3612, 3624, or 3630 rackmount, wallmount, desk top systems. The product comes with an integral ringer. The ringer

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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 AC mains in either 3612, 3624, or 3630 rackmount, wallmount, desk top systems. The product comes with an integral ringer. The ringer *

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