From Keri Systems, San Jose, Calif., the KDC-8 Eight Door Concentrator allows customers to mount up to four PXL-500 Tiger Controllers and four SB-593 Expansion Boards for access control in a single cabinet, saving valuable space in a utility closet, IT Rack, or wherever the access controllers are located. Individual controllers are connected to a backplane, which then contains all external connections to the system.

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