Digi NS9210 - Manual (Page 36)

36 NS9210 Processor Module Hardware Reference
C h a p t e r 2
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+9/30VDC power supply
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Current measurement option
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Development board + Module, and module alone
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3.3V coincell battery with socket
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PoE connectors for optional application kit (IEEE 802.3af)
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Prototyping area (15 x 28 holes) with +3.3V and GND connections