FCBR350QE2C01 COHERENT | Alldatasheet

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© Coherent Corp. Sep. 2023 Rev B04 – Coherent Corp. Confidential Page 1 Preliminary Product Specification 200G QSFP56 Breakout Active Optical Cable FCBR350QE2Cyy FCBN350QE2Cyy 9B PRODUCT FEATURES

  • 200G QSFP56 breaking out to 2x 100G QSFP56 (half-populated)
  • Four-channel parallel active optical cable
  • Multirate capability: up to 53.125 Gb/s PAM4 or 26.5625 Gb/s NRZ per channel
  • 4x50G PAM4 retimed 200GAUI-4 electrical interface (half populated on the 100G ends)
  • Reliable VCSEL array technology using multimode fiber
  • Low power dissipation: <4.5W per cable end
  • Single 3.3V power supply
  • Commercial operating case temperature range: 0ºC to 70ºC
  • RoHS Compliant
  • SFF-8636 compliant management interface

APPLICATIONS

  • 200G Ethernet
  • InfiniBand HDR PRODUCT SELECTION (Standard Lengths*) FCBx350QE2Cyy x: N for OFNP cable; R for OFNR/LSZH cable C: Commercial temperature range ** Pls. Contact Coherent if any special requirements

FCBx350QE1Cyy Product Specification Finisar Transceiver © Coherent Corp. Sep. 2023 Rev B04 – Coherent Corp. Confidential Page 2 I. Pin Descriptions QSFP56 pin-out as being defined by QSFP MSA1. Figure 1 – QSFP-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

FCBx350QE1Cyy Product Specification Finisar Transceiver © Coherent Corp. Sep. 2023 Rev B04 – Coherent Corp. Confidential Page 3

26 GND Ground 1

27 ModPrsL Module Present

28 IntL Interrupt

29 Vcc Tx +3.3 V Power supply transmitter 30 Vcc1 +3.3 V Power Supply

31 LPMode Low Power Mode

32 GND Ground 1

33 Tx3p Transmitter Non-Inverted Data Input

34 Tx3n Transmitter Inverted Data Input

35 GND Ground 1

36 Tx1p Transmitter Non-Inverted Data Input

37 Tx1n Transmitter Inverted Data Input

38 GND Ground 1

  1. Circuit ground is internally isolated from chassis ground. 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 TS -40 +85 C 1 Case Operating Temperature TOP 0 +70 C Relative Humidity RH 15 85 % 2 Notes: 1. Assumes no mechanical load force on the unit. Ensuring no mechanical load force requires a cable bend radius of >70 mm on the rest of the cable. 2. Non-condensing. III. Electrical Characteristics (EOL, TOP = 0 to +70 C, VCC = 3.135 to 3.465 Volts) NOTE: The Active Optical Cable requires an electrical co nnector compliant with the QSFP 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 1.59 A Module total power P 4.5 W 1 Transmitter Signaling rate per lane 26.5625± 100 ppm. Gbd AC common mode input voltage tolerance (RMS) 20 mV Differential input return loss Per Eq.27 dB 2 Differential to common mode reflection Per Eq.28 dB 2 Eye Height tolerance, with TX CDR enabled. 32 mV 3 Eye Width tolerance, with TX CDR enabled. 0.2 UI 3

FCBx350QE1Cyy Product Specification Finisar Transceiver © Coherent Corp. Sep. 2023 Rev B04 – Coherent Corp. Confidential Page 4 DC common mode input voltage Tolerance -350 2850 mV 4 Receiver Signaling rate per lane 26.5625± 100 ppm. Gbd Bit error rate 9E-6 AC common-mode output voltage (RMS) 20 mV Differential unsigned output voltage 450 mV 5 Near-end ESMW (Eye symmetry mask width) 0.265 UI 6 Near-end Eye height, differential 70 mV Far-end ESMW (Eye symmetry mask width) 0.2 UI Far-end Eye height, differential 30 mV Far-end pre-cursor ISI ratio -7 4 % Common mode output return loss -2 dB Differential output return loss Per Eq.27 dB 2 Common mode to differential reflection Per Eq.28 dB 2 Differential termination mismatch 10 % Transition time (20% to 80%) 9.5 ps 7 DC common mode voltage (min) -350 2850 mV 4 Notes: 1. Maximum total power value is specified across the full temperature and voltage range. 2. Ref: InfiniBandTM Architecture Specification Volume 2 Release 1.4. 4. Referred to Signal Ground. 5. Hit Ratio=5E-5 with 100Ohm load. 6. Ref: 802.3 120E.4.2 7. PRBS13Q, see 120E.3.1.5 for positions in the pattern IV. General Specifications Parameter Value Unit Notes Module Form Factor QSFP As defined by QSFP MSA Number of Lanes 4 Tx and 4 Rx Maximum Aggregate Data Rate 212.5 Gb/s Maximum Data Rate per Lane 26.5625 ± 100 ppm GBd Standard Cable Lengths 3, 5, 10, 15, 20, 30 meters Other lengths may be available upon request Protocols supported Ethernet/HDR Infiniband Electrical Interface and Pin-out 200GAUI-4 Pin-out as defined by QSFP MSA

FCBx350QE1Cyy Product Specification Finisar Transceiver © Coherent Corp. Sep. 2023 Rev B04 – Coherent Corp. Confidential Page 5 Standard Optical Cable Type Multimode round fiber cable Two options available: OFNR and Low Smoke Zero Halogen (LSZH), or OFNP Maximum Power Consumption per End 5 (retimed Tx) Watts Maximum total power value is specified across the full temperature and voltage range Management Interface SFF-8636 Serial, I2C-based, 1 MHz maximum frequency 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 10-6 2 Notes: 1. Supports Infiniband HDR 2. Tested with a PRBS 231-1 test pattern. V. Environmental Specifications Coherent FCBx350QE2Cyy QSFP56 Breakout 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 Top 0 +70 °C Storage Temperature Tsto -40 +85 °C 1 1. Assumes no mechanical load force on the unit. Ensuring no mechanical load force requires a cable bend radius of >70 mm on the rest of the cable. VI. Regulatory Compliance Coherent FCBx350QE2Cyy QSFP56 Active Optical Cables are RoHS compliant. Copies of certificates are available from Coherent upon request. Coherent FCBx350QE2Cyy QSFP56 Active Optical Cables 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: 2007 IEC 60825-2: 2004+A1+A2 Electrical Safety TÜV EN 60950 Electrical Safety UL/CSA CLASS 3862.07 CLASS 3862.87 CAUTION: Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

Figure 4. Product Label

  1. SFF-8665: “QSFP+ 28Gb/s 4X Pluggable Transceiver Solution (QSFP28)”, Rev 1.9,
  2. Directive 2011/65/EU of the European Council Parliament and of the Council, “on the
  3. Application Note AN -2038: “ Coherent Implementation of RoHS Compliant
  4. InfiniBandTM Architecture Specification Volume 2 Release 1.4.

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