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MODEL 2452


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The Expander Card is designed for plug-in compatibility with Wescom 400 Series and Tellabs Type 10 mounting shelves. They are optional accessories and use additional slots adjacent to Signalcrafters cards which control them. They are controlled by either Model 5212 or 2109 cards. The Relay Expanders are addressable: up to 64 Relay may be driven by one 5212 or 2109 card with appropriate software. The 2452 has 8 2-Form C relays on board.