Gigabit Speed and FlexibilityZyXEL's Small Form-factor Pluggable (SFP) transceiver family provides performance and flexibility with full duplex Gigabit speeds and hot-pluggable into Gigabit Ethernet port. Small Size and High Port DensityZyXEL's SFP transceiver's compact design provides high port density. For example, ZyXEL GS-3012F switch can connect up to 12 fiber links – all at an affordable price. Industry Standards-based ComplianceZyXEL's SFP transceiver family is compliant with IEEE 802.3z and SFP MSA allowing easy interoperability with all standard compliance devices from different vendors. Certificates Class 1 Laser Other Featuress Power requirements 3.15 - 3.45 V Connector(s) LC Compliance industry standards 802.3z, SFP MSA Product dimensions (WxDxH) 56 x 13.4 x 12.46 mm Operational conditions Operating temperature (T-T) 0 - 70 °C Storage temperature (T-T) -40 - 85 °C Operating relative humidity (H-H) 5 - 95 % Performance Wavelength 850 nm Maximum transfer distance 550 m Networking 1000 Mbit/s