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ADTRAN What is the difference between the first generation and second generation Smart 16 Owner's manual

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Article ID: 1237
What is the difference between the first
generation and second generation Smart 16
shelves?
Q: I have a Smart 16/16e shelf. How can I tell if it is a first or second generation unit?
A:
The second generation shelf was designed to provide dual power inputs as an option for the user
that required higher reliability upon a single point of failure.
The shelf backplane was redesigned
A new plastic backplane shield was keyed for dual power interface cards
New rear power interface cards allow dual input functionality
Silkscreen was added to identify power supply #1 and #2 on the front of the shelf
Q&A
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