100GBASE-SR4 with Limited or No FEC QSFP28 Optical Transceiver
F-tone Networks¡¯s QSFP-SR4-Limited 100G QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links over multimode fiber. They are compliant with the QSFP28 MSA. They are capable of operating (a) without forward error correction (FEC) provided by the host, (b) with reduced Firecode 74 FEC present per IEEE 802.3by2 25GBASE-SR and Clause 74, or (c) with full RS FEC present per IEEE 802.3bm3 100GBASE-SR4, Clause 91, and CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html". The optical transceiver is compliant per the RoHS Directive 2010. See F-tone Networks Application Note "http://www.f-tone.com/qsfp28-reference.html" for more details.
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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 Networksbefore 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.