FCBN850QE2C10-1Y COHERENT | Alldatasheet
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Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 1 Product Specification 400G QSFP-DD Active Optical Cable FCBR850QE2Cyy-1Y FCBN850QE2Cyy-1Y
9 B PRODUCT FEATURES
Hot-pluggable QSFP-DD Type 2 form factor Parallel active optical cable with Eight independent channels Multirate capability: 50 Gb/s PAM4 or 25 Gb/s NRZ per channel 8x50G PAM4 retimed 400GAUI-8 electrical interface Reliable VCSEL array technology using multimode fiber Low power dissipation: Typical ~8W Single 3.3V power supply Commercial operating case temperature range: 0ºC to 70ºC RoHS Compliant
APPLICATIONS
400G Ethernet (8x50Gbps) 200G Ethernet (8x25Gbps) PRODUCT SELECTION (Standard Lengths*) FCBx850QE2Cyy-1Y x: N for OFNP cable; R for OFNR/LSZH cable E: Ethernet datarate C: Commercial temperature range yy: cable length from 0.5 to 100 meters *For availability of additional cable lengths or cable types, please contact Coherent.
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 2 I. Pin Descriptions Figure 1 – QSFP-DD -compliant 76-pin connector (per QSFP-DD MSA)
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 3
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 4 II. Absolute Maximum Ratings Module performance is not guaranteed beyond the operating range (see Section V). 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 -40 +85 C 1 Case Operating Temperature T OP 0 +70 C Relative Humidity RH 15 85 % 2 Notes: 1. Assumes no mechanical load force on the unit. Ensuri ng no mechanical load force requires a cable bend radius of >74 mm. 2. Non-condensing.
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 5 III. Electrical Characteristics (EOL, TOP = 0 to +70 C, VCC = 3.135 to 3.465 Volts) NOTE: The Active Optical Cable requires an electrical connector compliant with the QSFP-DD MSA 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 Vcc 3.135 3.3 3.465 V Supply Current Icc 2.711 A Module total power P 8.5 W 1 Transmitter Signaling rate per lane 26.5625± 100 ppm. Gb d Differential data input voltage per lane Vin,pp,diff 900 mV 2 Differential input return loss Per equation (83E–5) IEEE802.3bm dB Differential to common mode input return loss Per equation (83E–6) IEEE802.3bm dB Differential termination mismatch 10 % Module stress input test Per 120E.3.4.1 IEEE802.3bs 3 Single-ended voltage tolerance range -0.4 3.3 V DC common mode voltage -350 2850 mV 4 Receiver Signaling rate per lane 26.5625± 100 ppm. Gb d AC common-mode output voltage (RMS) 17.5 mV Differential output voltage 900 mV Near-end ESMW (Eye symmetry mask width) 0.265 UI Near-end Eye height, differential (min) 70 mV Far-end ESMW (Eye symmetry mask width) 0.2 UI Far-end Eye height, differential (min) 30 mV Far-end pre-cursor ISI ratio -4.5 2.5 % Differential output return loss Per equation 83E-2 IEEE802.3bm Common to differential mode conversion return loss Per equation 83E-3 IEEE802.3bm Differential termination mismatch 10 % Transition time (min, 20% to 80%) 9.5 ps DC common mode voltage (min) -350 2850 mV 4 Notes: 1. Maximum total power value is specified across the full temperature and voltage range. 3. Meets specified BER 4. DC common mode voltage generated by the host. Specification includes effects of ground offset voltage.
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 6 IV. General Specifications Parameter Value Unit Notes Module Form Factor QSFP-DD As defined b y QSFP-DD Number of Lanes 8 Tx and 8 Rx Maximum Aggregate Data Rate 425 Gb/s Maximum Data Rate per Lane 26.5625 ± 100 pp m GB d Standard Cable Lengths 1, 2, 3, 5, 7, 10, 15, 20, 30, 50, 70 meters Other lengths may be available upon request Protocols supported 200/400G Etherne t Electrical Interface and Pin-out 76- pin edge connector Pin-out as defined b y QSFP-DD Standard Optical Cable Type Multimode round fiber cable, OM3/OM4 Two options available: OFNR and Low Smoke Zero Halogen (LSZH), or OFNP Maximum Power Consumption per End 8.5 (retimed Tx) Watts Maximum total power value is specified across the full temperature and voltage ran ge Management Interface Serial, I2C-based, 1 MHz maximum frequency As defined in CMIS 4.0 Data Rate Specifications Symbol Min Typ Max Units Ref. Bit Rate per Lane BR 26.5625 ± 100 ppm GBd 1 Pre-FEC Bit Error Ratio BER 2.4E -4 2 Notes: 1. Supports Ethernet 2. Tested with a PRBS 231-1 test pattern. V. Environmental Specifications Coherent FCBx850QE2Cyy-1Y QSFP-DD Active Optical Cables have an operating case temperature range of 0°C to +70°C. Parameter Symbol Min Typ Max Units Ref. Case Operating Temperature T op 0 +70 °C Storage Temperature T sto -40 +85 °C 1 1. Assumes no mechanical load force on the unit. Ensuring no mechanical load force requires a cable bend radius of >74 mm on the rest of the cable. VI. Regulatory Compliance The Coherent FCBx850QE2Cyy-1Y QSFP-DD Active Optical Cables are RoHS compliant. Copies of certificates are available from Coherent upon request. Coherent FCBx850QE2Cyy-1Y QSFP-DD Active Optical Cables are Class 1 Laser Products. They are certified per the following standards:
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 7 Feature Agency Standard Laser Eye Safety FDA/CDRH CDRH 21 CFR 1040.10 and Laser Notice 56 Laser Eye Safety UL/CSA/TÜV IEC/EN 60825-1:2014 IEC/EN 60825-2: 2004+A1+A2 Electrical Safety UL/CSA/TÜV IEC/UL/EN 62368-1:2014 CAUTION: Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. Either round-section construction LSZH, riser-rated or round-section construction, plennum-rated cable is alternative for Coherent FCBx850QE2Cyy-1Y QSFP-DD Active Optical Cables. VII. Memory Map Compatible with QSFP-DD CMIS rev 4.0. VIII. Mechanical Specifications Coherent FCBx850QE2Cyy-1Y QSFP-DD Active Optical Cables are compatible with the QSFP-DD Type 2 Specification for pluggable form factor modules.
FCBx850QE2Cyy-1Y Product Specification Finisar Transceiver Coherent Corp. Oct. 2022 Rev B02 – Coherent Corp. Confidential Page 9 IX. References 1. QSFP-DD Hardware Specification for QSFP DOUBLE DENSITY 8X PLUGGABLE TRANSCEIVER Rev 5.0 2. SFF-8665: “QSFP+ 28Gb/s 4X Pluggable Transceiver Solution (QSFP28)”, Rev 1.9, June 29, 2015 and associated SFF documents referenced therein: i. SFF-8661 ii. SFF-8679 iii. SFF-8662 iv. SFF-8663 v. SFF-8672 3. Directive 2011/65/EU of the European Counc il Parliament and of the Council, “on the restriction of the use of certain hazardous substances in electrical and electronic equipment” as well as Commission Delegated Directive (EU) 2015/863 amending Annex II to Directive 2011/65/EU. Certain products may use one or more exemptions as allowed by the Directive. 4. Application Note AN-2038: “Coherent Implementation of RoHS Compliant Transceivers”. 5. Common Management Interface Specification (CMIS) Rev 4.0. 6. IEEE P802.3bs, 400GAUI-8 Interface. 1 5 B For More Information Coherent Corp.
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