i don't know how you searched (perhaps you were blocked because you are not from this side of pond) but this comes up as soon as I entered part number:
IB(NA)0800309E-A 377.14KB PDF
QnA Series Ethernet Interface Module AJ71QE71N3-T, A1SJ71QE71N3-T, AJ71QE71N-B5, A1SJ71QE71N-B5, AJ71QE71N-B2, A1SJ71QE71N-B2
this was of course only hardware manual.
related manuals are listed in it. here are the links:
SH(NA)080146-D 28.26MB PDF
QnA Ethernet Interface Module Users Manual AJ71QE71N-B2, AJ71QE71N-B5, AJ71QE71N-T, A1SJ71QE71N-B2, A1SJ71QE71N-B5, A1SJ71QE71N-T
SH(NA)080192-D 14.88MB PDF
A Ethernet Interface Module Users Manual AJ71E71N-T, AJ71E71N-B5, AJ71E71N-B2, A1SJ71E71N-T, A1SJ71E71N-B5, A1SJ71E71N-B2