We bought SM chassis CSE-846BA-R1K28B and MB MBD-X9DR7-LN4F-O
We couldn't find a description for this specific backplane on your web site, and there isn't also any description in the chassis package we received.
Please send us a full description or manual for this exact product.
Based on the model, the chassis is located here
http://www.supermicro.com/products/chassis/4U/846/SC846BA-R1K28.cfm
On that page, under Components, click “See Parts List” and you can see the Backplane is a
BPN-SAS-846A
Now go to http://www.supermicro.com/support/manuals/
For “Select Category” choose Other
For “Select Product Type” choose SAS Backplane
Submit request.
Look at the list and for BPN-SAS-846A and download the User Guide.
Keywords: Documentation, Backplane Manual, BPN-SAS-846A