Hello.
We use DS125DF111 this product needs to confirm the length problem with you. Please kindly reference on below.
Please kindly let me know if you have any suggestions. Thanks for kindly help~
GSMB-8101DMB : Main board
VEGA-7311FC : Transfer board
Example. Channel 1 (OUTA+) : CPU => 2645 mil => VIA => 542 mil => Connector => 2800 mil => DS125DF111 => 5000 mil => SFP+ Connector. Total is 10987 mil.