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8 Rev. B Finisar Confidential Page Pr oduct Specification 100m Parallel MMF 100G QSFP28 Optical Transceiver FTLC955 REPM PRODUCT FEATURES Hot pluggable QSFP28 form factor Supports 103 Gb/s aggregate bit rate Power dissipation < W RoHS 6 compliant Commercial case temper ature range of 0 °C to 7 Single 3.3V power supply Maximum link length of 100m on OM4 Multimode Fiber (MMF) 4x25 Gb/s 850mm VCSEL based transmitter 4x25 G electrical interface Single MPO12 receptacle I2C management interface
APPLICATIONS
S R4 100G Ethernet Finisar’s FTLC955 REPM G QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links over multi mode fiber . They are compliant with the QSFP28 MSA and IEEE 802.3b m 100GBASE S and CAUI . Digital diagnostics functions are available via the I2C interf ace, as specified by the QSFP28 MSA and Finisar Application Note AN 141 The transceiver is RoHS 6 compliant per Directive 11/65/ E U and Finisar Application Note AN 2038 PRODUCT SELECTION FTLC9558 REPM R 100G Ethernet maximum bit rate (103.1Gb/s) G parallel optics P Pull tab release M MPO receptacle
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page Pin Descriptions Figure 1 QSFP28 compliant 38 pin connector (per SFF 8679) Pin Symbol Name/Description Notes GND Ground Tx2n Transmitter Inverted Data Input Tx2p Transmitter Non Inverted Data Input GND Ground Tx4n Transmitter Inverted Data Input Tx4p Transmitter Non Inverted Data Input GND Ground ModSelL Module Select ResetL Module Reset Vcc Rx +3.3 V Power supply receiver SCL wire serial interface clock SDA wire serial interface data GND Ground Rx3p Receiver Non Inverted Data Output Rx3n Receiver Inverted Data Output GND Ground Rx1p Receiver Non Inverted Data Output Rx1n Receiver Inverted Data Output GND Ground GND Ground Rx2n Receiver Inverted Data Output Rx2p Receiver Non Inverted Data Output GND Ground Rx4n Receiver Inverted Data Output Rx4p Receiver Non Inverted Data Output GND Ground ModPrsL Module Present IntL Interrupt Vcc Tx +3.3 V Power supply transmitter Vcc1 +3.3 V Power Supply
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page LPMode Low Power Mode GND Ground Tx3p Transmitter Non Inverted Data Input Tx3n Transmitter Inverted Data Input GND Ground Tx1p Transmitter Non Inverted Data Input Tx1n Transmitter Inverted Data Input GND Ground Notes Circuit ground is internally isolated from chassis ground. II. Absolute Maximum Ratings Module performance is not guaranteed beyond the operating range (see Section VI). Exceeding the limits below may damage the transceiver module permanently. Parameter Symbol Min Typ Max Unit Ref. Maximum Supply Voltage Vcc 0.5 4.0 V Storage Temperature T S C Case Operating Temperature T OP C Relative Humidity RH Receiver Damage Threshold , per Lane P Rdmg 3.4 dBm Notes Can support temporary excursions of case operating temperature from 5 to C not exceeding 72 hours. Non condensing. I II
Electrical Characteristics
EOL, T OP to C, V CC 3.135 to 3.465 Volts) Parameter Symbol Min Typ Max Unit Ref. Supply Voltage Vcc 135 3.4 V Supply Current Icc 0.8 A Module total power P W Transmitter Signaling rate per lane 25.78125 ± 100ppm Gb/s Differential pk pk input voltage tolerance Vin,pp ,diff 900 mV Single ended voltage tolerance Vin,pp +3.3 V Module stress input test Per Section 83E.3.4.1, IEEE 802.3bm Receiver Signaling rate per lane 25.78125 ± 100ppm Gb/s Differential data output swing Vout,pp 100 400 mVpp 300 600 400 600 800 600 1200 Eye width 0.57 UI Eye height, differential 228 mV Vertical eye closure VEC 5.5 dB Transition time (20% to 80%) t r t f ps
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page Notes Maximum total power value is specified across the full operational temperature and voltage range when CDRs are locked or a lack of input signal results in squelch being activated If incorrect frequencies cause the CDRs to continuously attempt to lock, maximum power dissipation may reach .5 W Output voltage is settable in 4 discrete ranges via I2 C. Default range is Range 2 (400 800 mV). I Optical Characteristics EOL, T OP to V CC 3.135 to 3.465 Volts Parameter Symbol Min Typ Max Unit Ref. Transmitter Signaling Speed per Lane 25.78125 ± 100ppm Gb/s Center wavelength 840 850 860 nm RMS Spectral Width SW 0.6 nm Average Launch Power per Lane TXP x 8.4 2.4 dBm Transmit OMA per Lane TxOMA 6.4 dBm Launch Power [OMA] minus TD EC per Lane P TD EC 7.3 dBm TD EC per Lane TD EC 4.3 dBm Optical Extinction Ratio ER dB Optical Return Loss Tolerance ORL dB Encircled Flux FLX >86% at 19 um <30% at 4.5 um Average Launch Power of OFF T ransmitter, per L ane dBm Transmitter E ye mask definition {X1, X2, X3, Y1, Y2, Y3} Receiver Signaling Speed per Lane 25.78125 ± 100ppm GBd Center wavelength 840 860 nm Damage Threshold DT 3.4 dBm Average Receive Power per Lane RXP x 10.3 2.4 dBm Receive Power (OMA) per Lane RxOMA dBm Receiver Reflectance Rfl dB Stressed Receiver Sensitivity (OMA) per Lane SRS 5.2 dBm Stressed Conditions: Stressed Eye Closure SEC 4.3 dB Stressed Eye J2 Jitter 0.39 UI Stressed Eye J4 Jitter 0.53 UI OMA of each aggressor lane dBm Stressed Receiver Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} LOS De Assert LOS D dBm LOS Assert LOS A dBm LOS Hysteresis 0.5 dB Notes Transmitter consists of 4 lasers operating at a maximum speed of 5.78 125 Gb/s ±100ppm each. Hit Ratio 1.5 x 10 hits/sample. Receiver consists of 4 photodetectors operating at a maximum speed of 25.78 125 Gb/s ±100ppm each. Minimum value is informative only and not the principal indicator of signal strength Hit Ratio 5 x 10 hits/sample.
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page General Specifications Parameter Symbol Min Typ Max Units Ref. Bit Rate (all wavelengths combined) BR 103.1 Gb/s Bit Error Ratio (pre FEC) BER 5x10 Maximum Supported Distances Fiber Type OM3 MMF Lmax1 m OM4 MMF Lmax2 100 m Notes Supports 100GBASE SR4 per IEEE 802.3 bm Tested with a 2
1 PRBS
Requires FEC on the host to support maximum distance , per 100GBASE SR4 VI. Environmental Specifications Finisar FTLC955 QSFP28 transceivers have a commercial operating case temperature range of °C to +7 They can support temporary excursions to case temperatures of 5°C and +75°C without permanent damage (see Section II). Parameter Symbol Min Typ Max Units Ref. Case Operating Temperature T op Storage Temperature T sto V I Regulatory Compliance Finisar FTLC955 QSFP28 transceivers are Class 1 Laser Products. They are certified per the following standards: Feature Agency Standard Laser Eye Safety FDA/CDRH CDRH 21 CFR 1040 and Laser Notice 50 Laser Eye Safety TÜV EN 60825 1:2014 EN 60825 2:2004+A1+A2 Electrical Safety TÜV EN 60950 1:2006+A11+A1+A12+A2 Electrical Safety UL/CSA CAN/CSA C22.2 No. 60950 07+A2:2014 ANSI/UL Std. No. 60950 1:2014 Copies of the referenced certificates will be available at Finisar upon request. Complies with FDA performance standards for laser products except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007. CAUTION Use of Co ntrols or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page VIII Digital Diagnostics Functions FTLC9558 QSFP28 transceivers support the I2C based d iagnostics interface specified by the QSFP28 MSA See Finisar Application Note AN IX. Memory Contents Per the QSFP28 MSA . Se e Finisar Application Note AN 2141 X I Mechanical Specifications Finisar FTL C 955 QSFP28 transceivers are compatible w ith th e QSFP28 MSA specification Figure 2 FTLC955 REPM Mechanical Dimensions Figure Standard Product Label
F TLC9558 REPM Product Specification December 2018 Finisar Corporation Dec 8 Rev. B Finisar Confidential Page X I References SFF 8665: “QSFP+ 28Gb/s 4X Pluggable Transceiver Solution (QSFP28)”, Rev 1.9 June 29, 2015 (and associated SFF documents) SFF 8661 ii. SFF 8679 iii. SFF 8636 iv. SFF 8662 SFF 8663 vi. SFF 8672 vii. SFF 8683 IEEE 802.3 bm , PMD Type 10 0GBASE S and CAUI Application Note AN 2141 , “100G QSFP28 SR4 NVR Application Note” , Finisar Corporation Directive 20 11/65/EU of the European Parliament and of the Council, “on the restriction of the use of certain hazardous substances in electrical and electronic equipment July 1, 2011. “Application Note AN 2038: Finisar Implementation Of RoHS Compliant Transceivers”, Finis ar Corporation, January 21, 2005. For More Information Finisar Corporation Moffett Park Drive Sunnyvale, CA 94089 1133 Tel. 1 408 548 1000 Fax 1 408 541 6138 sales@finisar.com www.finisar.com