Product Specification 100G Quadwire(R) QSFP28 Active Optical Cable FCBN425QE1Cxx PRODUCT FEATURES Four-channel full-duplex active optical cable Multirate capability: 10 Gb/s to 25 Gb/s per channel QSFP28 high-density form factor Reliable VCSEL array technology using multimode fiber Round OFNP-rated cable Hot Pluggable Low power dissipation: <3.5W per cable end (<2.5W with CDRs off) Commercial operating case temperature range: 0C to 70C RoHS-6 Compliant APPLICATIONS 10/25/40/100G Ethernet Compliant to RoHS Directive 2011/65/EU PRODUCT SELECTION (Standard Lengths*) FCBN425QE1C01 FCBN425QE1C03 FCBN425QE1C05 FCBN425QE1C10 FCBN425QE1C15 FCBN425QE1C20 FCBN425QE1C30 FCBN425QE1C50 FCBN425QE1CX0 1-meter cable 3-meter cable 5-meter cable 10-meter cable 15-meter cable 20-meter cable 30-meter cable 50-meter cable 100-meter cable *For availability of additional cable lengths or cable types, please contact Finisar. Finisar Corporation April 2017 B5 Page 1 FCBN425QE1Cxx Product Specification I. Pin Descriptions Figure 1 - QSFP28-compliant 38-pin connector (per SFF-8679) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Symbol GND Tx2n Tx2p GND Tx4n Tx4p GND ModSelL ResetL Vcc Rx SCL SDA GND Rx3p Rx3n GND Rx1p Rx1n GND GND Rx2n Rx2p GND Rx4n Rx4p Finisar Corporation April 2017 Name/Description Ground Transmitter Inverted Data Input Transmitter Non-Inverted Data Input Ground Transmitter Inverted Data Input Transmitter Non-Inverted Data Input Ground Module Select Module Reset +3.3 V Power supply receiver 2-wire serial interface clock 2-wire serial interface data Ground Receiver Non-Inverted Data Output Receiver Inverted Data Output Ground Receiver Non-Inverted Data Output Receiver Inverted Data Output Ground Ground Receiver Inverted Data Output Receiver Non-Inverted Data Output Ground Receiver Inverted Data Output Receiver Non-Inverted Data Output B5 Notes 1 1 1 1 1 1 1 1 Page 2 FCBN425QE1Cxx Product Specification 26 27 28 29 30 31 32 33 34 35 36 37 38 GND ModPrsL IntL Vcc Tx Vcc1 LPMode GND Tx3p Tx3n GND Tx1p Tx1n GND Ground Module Present Interrupt +3.3 V Power supply transmitter +3.3 V Power Supply Low Power Mode Ground Transmitter Non-Inverted Data Input Transmitter Inverted Data Input Ground Transmitter Non-Inverted Data Input Transmitter Inverted Data Input Ground 1 1 1 1 Notes 1. Circuit ground is internally isolated from chassis ground. II. General Product Characteristics Parameter Module Form Factor Number of Lanes Maximum Aggregate Data Rate Maximum Data Rate per Lane Standard Cable Lengths Protocols Supported Electrical Interface and Pin-out Standard Optical Cable Type Maximum Power Consumption per End Management Interface Value QSFP28 4 Tx and 4 Rx 103.125 25.781 1, 3, 5, 10, 15, 20, 30, 50, 100 Typical applications include 10/25/40G/100G Ethernet 38-pin edge connector Multimode round fiber cable, plenum-rated 3.5 (retimed Tx) 2.5 (unretimed) Serial, I2C-based, 450 kHz maximum frequency Data Rate Specifications Bit Rate per Lane Pre-FEC Bit Error Ratio Post-FEC Bit Error Ratio Symbol BR BER BER Min 10.00 Unit Notes As defined by SFF-8661 Gb/s Gb/s meters Watts Other lengths may be available upon request Pin-out as defined by SFF-8679 OFNP. Low Smoke Zero Halogen (LSZH), round fiber cable also available Varies with output voltage swing and pre-emphasis settings As defined by SFF-8636 Typ Max 25.78 5x10-5 10-12 Units Gb/sec Ref. 1 2 2, 3 Notes: 1. Supports 10/25/40/100 Gigabit Ethernet applications. 2. Tested with a PRBS 231-1 test pattern. 3. Assumes FEC provided by host system. III. Absolute Maximum Ratings Finisar Corporation April 2017 B5 Page 3 FCBN425QE1Cxx Product Specification Parameter Maximum Supply Voltage Storage Temperature Case Operating Temperature Relative Humidity Symbol Vcc1, VccTx, VccRx TS TOP RH Min -0.5 Typ -40 0 0 Max 3.6 Unit V Ref. 85 70 85 C C % 1 2 Notes: 1. Assumes no mechanical load force on the unit. Ensuring no mechanical load force requires a cable bend radius of >105 mm within 100 mm of either cable end module and >60 mm on the rest of the cable. 2. Non-condensing. IV. Electrical Characteristics (TOP = 0 to 70C, VCC = 3.3 5% Volts) NOTE: The 100G Quadwire requires an electrical connector compliant with SFF-8662 or SFF-8672 be used on the host board to guarantee its electrical interface specification. Please check with your connector supplier. Parameter Symbol Min Typ Max Unit Ref. Supply Voltage Vcc1, VccTx, 3.15 3.45 V VccRx Supply Current Icc 1010 mA Power Dissipation per cable end P 3.5 W 1, 2 Link Turn-On Time Transmit turn-on time 2000 ms 3 Input electrical specifications (per Lane) Differential Voltage pk-pk 900 mV Common Mode Noise RMS 17.5 mV Differential Termination Resistance Mismatch 10 % Differential Return Loss SDD22 dB Per OIF CEI-28G-VSR Common Mode to Differential conversion and SDC22, dB and CAUI-4 Differential to Common Mode Conversion SCD22 requirements -2 Common Mode Return Loss SCC22 dB Transition Time, 20 to 80% Tr, Tf 10 ps Common Mode Voltage Vcm -0.3 2.8 V UI Eye Width at 1E-15 probability EW15 0.46 Eye Height at 1E-15 probability Output electrical specifications (per Lane) Differential Voltage pk-pk Common Mode Voltage Common Mode Noise RMS Differential Termination Resistance Mismatch Differential Return Loss Common Mode to Differential conversion and Differential to Common Mode Conversion Common Mode Return Loss Transition Time, 20 to 80% Vertical Eye Closure Eye Width at 1E-15 probability Eye Height at 1E-15 probability EH15 SDD22 SDC22, SCD22 SCC22 Tr, Tf VEC EW15 EH15 Finisar Corporation April 2017 B5 Vcm 94 900 2850 17.5 10 Per OIF CEI-28G-VSR and CAUI-4 requirements -350 -2 9.5 5.5 0.57 228 mV mV mV mV % dB dB ps dB UI mV Page 4 FCBN425QE1Cxx Product Specification Notes: 1. Maximum total power value is specified across the full temperature and voltage range. 2. Settable in various discrete steps via the I2C interface. 3. From power-on and end of any fault conditions. V. Memory Map and Control Registers Compatible with SFF-8636. Please see Finisar Application Note AN-21507. VI. Environmental Specifications Finisar 100G Quadwire Active Optical Cables have an operating temperature range from 0C to +70C case temperature. Environmental Specifications Symbol Min Typ Max Units Ref. Case Operating Temperature Top 0 70 C Storage Temperature Tsto -40 85 C 1 Notes: 1. Assumes no mechanical load force on the unit. Ensuring no mechanical load force requires a cable bend radius of >105 mm within 100 mm of either cable end module and >60 mm on the rest of the cable. VII. Regulatory Compliance Finisar 100G Quadwire Active Optical Cables are RoHS-6 Compliant. Copies of certificates to be available at Finisar Corporation upon request. 100G Quadwire Active Optical Cables are Class 1 laser eye safety compliant per IEC 60825-1. Standard fiber cable type is round-section construction, plenum-rated. Other cable types can be supported upon request such as LSZH, round-section construction. VIII. Mechanical Specifications The 100G Quadwire mechanical specifications are compliant with the QSFP28 transceiver module specifications (as defined in SFF-8661), substituting the MPO12 receptacle with a fiber optics cable connecting both ends. Finisar Corporation April 2017 B5 Page 5 FCBN425QE1Cxx Product Specification Figure 2 - 100G Quadwire mechanical drawing Insertion, Extraction and Retention Forces Cable Proof (Tensile) Test (0) Cable Proof (Tensile) Test (90) Impact Flex Twist Module retention Host Connector Retention Finisar Corporation April 2017 Min Max Units 90 180 44.0 33.0 8 8.9 13.0 N/A N/A Newtons Newtons Cycles Newtons Newtons Newtons Newtons B5 Notes 1.5m drop No damage below 90N No damage below 180N Page 6 FCBN425QE1Cxx Product Specification IX. X. References 1. InfiniBandTM Architecture Release, Vol. 2 - Physical Specifications, Rev. 1.3, November 2012. 2. SFF-8665 - QSFP+ 28Gb/s 4X Pluggable Transceiver Solution (QSFP28), Rev 1.8, May, 2013. 3. SFF-8636 - Specification for Common Management Interface, Rev 1.7, January 2014. 4. "CAUI-4" Retimed 4x25G electrical interface, to be defined by IEEE 802.3 5. CEI-28G-VSR Implementation Agreement, per OIF 2012.290.00 6. Directive 2011/65/EU of the European Council Parliament and of the Council, "on the restriction of the use of certain hazardous substances in electrical and electronic equipment." Certain products may use one or more exemptions as allowed by the Directive. 7. "Application Note AN-2150: EDR Quadwire EEPROM Mapping." For More Information Finisar Corporation 1389 Moffett Park Drive Sunnyvale, CA 94089-1133 Tel. 1-408-548-1000 Fax 1-408-541-6138 sales@finisar.com www.finisar.com Finisar Corporation April 2017 B5 Page 7