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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
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The 4-Port Async/Sync Serial HWIC provides four serial async/sync ports using Smart Serial connectors and cabling. Each port can operate up to 256 Kbps in sync mode, or up to 230.4 Kbps in async.