Cozlink produces Cisco compatible 4.25G SFP Transceivers that consist of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. 4.25G SFP transceivers enable connectivity up to 80km and are functional at 850nm MMF,1310nm and 1550nm SMF. The Cozlink transceivers are compatible with regulations of the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) 1.They simultaneously complement Fiber Channel per FC-PI-2 Rev. 10.0 and also Gigabit Ethernet as approved by IEEE Std 802.3. All 4.25G SFP transceivers deliver class I laser safety requirements and support DDM function. Cozlink 4.25G SFP Transceivers are interchangeable with all transceiver producing brands such as Brocade, CISCO, Finisar, Dell, D-link and others and come to you only after passing the stringent quality checks for power load tolerance and other parameters. Cozlink also provides the best quality pigtails, patch chords and cables, ports and switches compatible with 4.25G SFP Transceivers.