D-Link | Single-mode Transceiver | DIS-S310LX | 9/125 SMF (Single-Mode Fiber) | Duplex LC Connector | 1250 Mbit/s | Wavelength 1310 nm | Maximum transfer distance 10000 m | Transceiver Type: SFP (Small Form-Factor Pluggable); Compliant to IEEE 802.3z Gigabit and 1000BASE-LX Standards; Hot Pluggable; MSA and RoHS Compliant