MFR. Name: Cisco | MFR#: GLC-SX-MM-RGD=
CISCO SYSTEMS 1000MBPS MULTI-MODE RUGGED SFP
The industry-standard Cisco 1000BASE-SX SFP (mini-GBIC) 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.