SD+

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  Are all SD+ devices, even older ones, eligible for updates? How is it done?
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  Can the SD+ have two Ethernet inputs, allowing for two IPs on the SD+?
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  Can the SD+ replace a terminal server?
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  Do the SD+ contact outputs require an intermediate component to connect a motor?

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  About the SD+
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  SD+ - Device profile
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  SD+ Block
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  Smart Device Gateway Self-Diagnosis (SD+ version 3.02 r4)