The KDC-8 eight-door concentrator allows the mounting of up to four PXL-500 Tiger controllers and four SB-593 expansion boards for access control in a single cabinet. Individual controllers are connected to a backplane, which contains all external connections to the system. The unit was designed as a locking metal, IT rack-mountable enclosure with sufficient cable conduit knockouts for flexibility. When used with manufacturer Keri Systems’ KPS-11 10-amp, 10-output power supply, it can supply controller/reader power, isolated, combine lock power and lock control. Keri Systems

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