3M 478BA (D15) Intracom 78-9236-2650-7 (Cores Required) Item Code P9E.

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3M D20 VOX Board 78-8028-9256-8 (Cores Required) Item Code P8E.

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3M D20 Logic Board 78-8028-9161-0 (Cores Required) Item Code P7E.

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3M D20 Analog Board 78-8028-9241-0 (Cores Required) Item Code P6E.

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3M 495AA (D30V) Intracom Main Station 78-9236-3127-5 (Cores Required) Item Code P5E.

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3M Station Controller C5116 - 3M Part # 78-9236-6384-9 Rebuilt / Exchange (Cores Required) Item Code P56E

Used with 3M Station Selector D2475AA Item Code P24E

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See Item Code 7122 for power supply used with this controller up to 16 stations.