<http://schema.org/item>
<http://www.pc-canada.com/p/go/go.asp?CATID=10005&amp;ATTID=1100,1557313&amp;SS_Manufacturer=ENET+COMPONENTS>
<http://www.pc-canada.com/item/DWDM%2DXFP%2D38%2E98%2D40K%2DENC.html>