Which uplink port on a WS-SUP720-3B is the selectable SFP/RJ-45 port - Gi x/1 or x/2? Requiring an RJ-45 uplink to a vendor C3925 router? Thanks in advance.                

Which uplink port on a WS-SUP720-3B card is the interchangeable SFP/RJ-45? Gig x/1 or Gig x/2?  I am requiring an RJ-45 uplink installed on a 6509-E to a C3925 vendor router? Thanks in advance.