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Which fiber port in an NMS25102 switch is TX

Issue
The fiber optic ports in this switch are unlabeled. Which is TX and which is RX?

Product Line
ConneXium switch

Environment
499NMS25102

Resolution
The upper connection is TX the lower one RX.

Released for: Schneider Electric USA
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Range:
ConneXium - Ethernet
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ConneXium - Ethernet
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