Cisco GLC-SX-MM Compatible 1000BASE-SX SFP Transceiver Module (MMF, 850nm, 550m, LC, DOM) Product Details Cisco Genuine GLC-SX-MM Vendor Name FS.COM Form Type SFP Max Data Rate 1000Mbps Wavelength 850nm Max Cable Distance 550m over OM2 MMF Interface LC duplex Optical Components VCSEL 850nm Cable Type MMF DOM Support Yes TX Power -9.5 ~ - 3dBm Receiver Sensitivity < -17dBm Commercial Temperature Range 0 to 70°C (32 to 158°F) Protocols MSA Compliant, IEEE 802.3z