GLC-BX-D= Base/1000 BX SFP-1490NM
GLC-SX-MMD= Transceiver/1000BASE-SX SFP Module MMF
Cisco transceiver module compatibile
Cisco transceiver module
GLC-T-C Cisco transceiver module
Cisco transceiver module OEM
Cisco transceiver module OEM
Cisco transceiver module OEM