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Small form-factor (SFF) transceivers are designed to support Fibre Channel、Gigabit Ethernet、SONET/SDH, and many other communications standards, it is a kind of compact optical transceiver used in the multi optical communications industry, not only used in data communications but also used in telecommunication applications.
The evolution of GBIC towards miniaturization is the SFF (Small Form Factor) optical module, which uses LC (Lucent Connector) heads and is directly solidified on the circuit board. Because of the fixed application requirements on the ONU side, it is mainly used on the ONU side of EPON.
SFF Optical modules are commonly available in four different categories:
850 nm (SX)
1310 nm (LX)
1550 nm (ZX)
CWDM, WDM/BiDi versions
compliant with STM-1/OC-3, STM-4/OC-12, and STM-16/OC-48, 100BASE & 1000BASE, Fibre Channel 4x/2x/1x, 18-wavelength CWDM Transceiver Compliant with ITU-T G.694.2. RoHS Compliant.
