Cisco GLC-LX-SM-RGD= 1-Port SFP Transceiver Module, Gigabit Ethernet, Single-mode, 10 Km Range
This product is Guaranteed 100% Compatible with the Manufacturer Original.
The industry-standard Compatible Cisco Small Form-Factor Pluggable (SFP) Gigabit Interface Converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network. SFP can be used and interchanged on a wide variety of Cisco products