QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet and 4x28G OTN client interfaces  over 10km of single mode fiber.  They are compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4, and OTU4 4I1-9D1F requirements specified in ITU-T Recommendations G.959.1/G.709 and Supplement 39 (G.sup39). Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA. The optical transceiver is RoHS compliant as described in Application Note AN-2038.

Features
¡ñ Hot-pluggable QSFP28 form factor
¡ñ Supports 103.1Gb/s aggregate bit rate
¡ñ 3.5W maximum power dissipation
¡ñ RoHS compliant
¡ñ Single 3.3V power supply
¡ñ Maximum link length of 10km on Single Mode Fiber (SMF)
¡ñ 4x25Gb/s 1310nm DFB-based transmitter
¡ñ 4x25G electrical interface
¡ñ Full digital diagnostics functions
¡ñ Integrated 4-channel WDM mux/demux for duplex LC operation
¡ñ Duplex LC receptacles

Applications
¡ñ 100GBASE-LR4 100G Ethernet
¡ñ OTN OTU4 4I1-9D1F

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Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.