Manufacturer: Cisco Systems Model/Part #: GLC-ZX-SM Other Model/Part #: GLC-ZX-SM= Category: Network & Telecommunication » Transceivers (GBIC/SFP) | Cisco Systems GLC-ZX-SM Gigabit Ethernet SFP (mini-GBIC) Transceiver Module for SMF, dual LC/PC connector, 1000BASE-ZX 1550-nm wavelength extended distance. |