elevator floor
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Elevator Extension Board
1. Car call and register floor extension, cooperates with car call board or car instruction board, operation board. 2. Application Scope: simplex, duplex and group control (with a group control board). 3. Stops:<64
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Elevator Arrival Gong
1. Clear sound and graceful tone. 2. Easy installation and simple connection. 3. 15-24 VAC power input, no polarity requirment.
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