GLC-LH-SM

GE SFP, LC connector LX/LH transceiver

GLC-SX-MM

GE SFP, LC connector SX transceiver

GLC-ZX-SM

1000BASE-ZX SFP

GLC-BX-D

1000BASE-BX SFP, 1490NM

GLC-BX-U

1000BASE-BX SFP, 1310NM

GLC-GE-100FX

100BASE-FX SFP for GE SFP port on 3750,3560,2970,2960