GP-SFP2-1T-GSR
1000Base-T SFP Copper

GP-SFP2-1Y-GSR
1000Base-LX SFP SMF

GP-SFP2-1Z-GSR
1000Base-ZX SFP SMF

GP-SFP OC48-1IR1-GSR
1000Base-LX SFP SMF

GP-SFP OC48-LR2-GSR
1000Base-ZX SFP SMF

GP-SFP2-1S-GSR
1000Base-SX SFP MMF