Hi,
I'm using CCR1009-8G-1S-1S+ with a pair of Cisco GLC-T 1000BASE-T SFP transceiver modules, works great. Gives me 2 addtional RJ45 gbit ports
On a secondary site om using GLC-LX modules, also works.
So I would say yes, the SFP+ port supports the 'only SFP' transcievers.
Regards