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Button Modules
Button modules for apartments
Button modules are relatively simple. Old 840 button panels from the 3000 system are compatible with 8840 numbers, though button shape and panel finish will be different. When ordering modules, check the finishes that are available.
There are two 4000 system types. 484x have screw terminals while 480x used on newer models have plug in connectors. Double density panels have two buttons per row. There is also an alternate row pattern. VR120 and VR130 panels with stainless steel panels use discrete buttons.
