The SFP1000SXST is an MSA compliant fiber SFP transceiver that\'s designed, programmed and tested to work with 1000BASE-SX compatible MSA switches and routers. The SFP transceiver module supports a maximum distance of up to 550 m (1804 ft) and delivers dependable 1 Gb E connectivity over fiber cabling. Technical Specifications: Wavelength: 850nm Maximum Data Transfer Rate: 1. 25 Gbps Type: Multi Mode Fiber Connection Type: LC Connector Maximum Transfer Distance: 550 m (1804 ft) Power Consumption: Less than 1 Watt DDM: Yes