Catalyst 4500X Transceiver Modules

Part Number	Description
SFP-10G-ZR=	Cisco 10GBASE-ZR SFP10G Module for SMF
SFP-10G-ZR	Cisco 10GBASE-ZR SFP10G Module for SMF Spare
SFP-10G-ZR-RF	Cisco 10GBASE-ZR SFP10G Module for SMF Spare REMANUFACTURED