FTLC9555FEPM Finisar

Product Specification 128G Fibre Channel Parallel 100m MMF QSFP28 Optical Transceiver FTLC9555FEPM PRODUCT FEATURES Hot-pluggable QSFP28 form factor Supports up to 112.2Gb/s aggregate bit rates Power dissipation < 2.5W RoHS-6 compliant Commercial case temperature range of 0C to 70C APPLICATIONS Single 3.3V power supply 8/16/32/128G Fibre Channel* Maximum link length of 100m on OM4 Multimode Fiber (MMF) 4x28Gb/s 850mm VCSEL-based transmitter 4x25G electrical interface Single MPO12 receptacle I2C management interface Finisars FTLC9555FEPM 128G QSFP28 transceiver modules are designed for use in 16/32/128G Fibre Channel links over multimode fiber. They are compliant with the 1 2 3 QSFP28 MSA , 128GFC and IEEE 802.3bm CAUI-4 . Digital diagnostics functions are 1 available via the I2C interface, as specified by the QSFP28 MSA and Finisar 4 Application Note AN-2041 . The transceiver is RoHS-6 compliant per Directive 5 6 2011/65/EU and Finisar Application Note AN-2038 . *See section V for compliance information. PRODUCT SELECTION FTLC9555FEPM F: 128G FC maximum bit rate (112.2 Gb/s) E: 4x28G parallel optics P: Pull tab release M: MPO receptacle Finisar Corporation 14-May-19 Rev. B2 Finisar Page 1 FTLC9555FEPM Product Specification May 2019 I. Pin Descriptions Figure 1 QSFP28-compliant 38-pin connector (per SFF-8679) Pin Symbol Name/Description Notes 1 GND Ground 1 2 Tx2n Transmitter Inverted Data Input 3 Tx2p Transmitter Non-Inverted Data Input 4 GND Ground 1 5 Tx4n Transmitter Inverted Data Input 6 Tx4p Transmitter Non-Inverted Data Input 7 GND Ground 1 8 ModSelL Module Select 9 ResetL Module Reset 10 Vcc Rx +3.3 V Power supply receiver 11 SCL 2-wire serial interface clock 12 SDA 2-wire serial interface data 13 GND Ground 1 14 Rx3p Receiver Non-Inverted Data Output 15 Rx3n Receiver Inverted Data Output 16 GND Ground 1 17 Rx1p Receiver Non-Inverted Data Output 18 Rx1n Receiver Inverted Data Output 19 GND Ground 1 20 GND Ground 1 21 Rx2n Receiver Inverted Data Output 22 Rx2p Receiver Non-Inverted Data Output 23 GND Ground 1 24 Rx4n Receiver Inverted Data Output 25 Rx4p Receiver Non-Inverted Data Output 26 GND Ground 1 27 ModPrsL Module Present 28 IntL Interrupt 29 Vcc Tx +3.3 V Power supply transmitter Finisar Corporation 14-May-19 Rev. B2 Finisar Page 2