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A picture containing connector  Description automatically generated

QSFP56-DD-QSFP56-DD-AOC-xM-FL Quick Spec:

Part Number: QSFP56-DD-QSFP56-DD-AOC-xM


Form Factor: QSFP56-DD TX Wavelength: 8500nm Cable Type: MMF

Rate Category: 400G

Lengths: 1, 3, 5, 7, 10, 15, 20, 25, 30, 50, 70, 100m


QSFP56-DD-QSFP56-DD-AOC-xM-FL Features


ABSOLUTE MAXIMUM RATINGS

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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

Max

Unit

Notes

Maximum Supply Voltage

Vcc

-0.5


4.0

V

Storage Temperature

TS

-40


+85

C

Case Operating Temperature

TOP

0


+70

C

Relative Humidity

RH

15


85

%

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.


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    General Specifications


    Parameter

    Value

    Unit

    Notes

    Module Form Factor

    QSFP56-DD


    As defined by QSFP56-DD

    Number of Lanes

    8 Tx and 8 Rx



    Maximum Aggregate Data Rate

    425

    Gb/s


    Maximum Data Rate per Lane

    26.5625 ± 100 ppm

    GBd


    Standard Cable Lengths

    1, 3, 5, 10, 15, 20, 30, 50,

    70, 100

    meters

    Other lengths may be available upon request

    Protocols supported

    200/400G Ethernet



    Electrical Interface and Pin-out

    76-pin edge connector


    Pin-out as defined by QSFP56-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


    10 (retimed Tx)


    Watts

    Maximum total power value is specified temperature and voltage range

    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



    2.4-4


    2

    Notes:

    1. Supports Ethernet

    2. Tested with a PRBS 231-1 test pattern.


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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 QSFP56-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



3.19

A


Module total power

P



10

W

1

Transmitter

Signaling rate per lane


26.5625± 100 ppm.

Gbd


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.

Gbd


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.

  2. With the exception to 120E.3.1.2 that the pattern is PRBS31Q or scrambled idle.

  3. Meets specified BER

  4. DC common mode voltage generated by the host. Specification includes effects of ground offset voltage.


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PIN Assignment and Description


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Chart, bar chart  Description automatically generated


Figure 1 – QSFP56-DD -compliant 76-pin connector (per QSFP56-DD MSA)


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Table  Description automatically generated


Environmental Specifications

FluxLight’s QSFP56-DD-QSFP56-DD-AOC-xM-FL 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 >105 mm within 100 mm of either cable end module and >60 mm on the rest of the cable.


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Regulatory Compliance

The FluxLight’s QSFP56-DD-QSFP56-DD-AOC-xM-FL Active Optical Cables are RoHS compliant. Copies of certificates are available from II-VI Incorporated upon request.


FluxLight’s QSFP56-DD-QSFP56-DD-AOC-xM-FL Active Optical Cables are Class 1M 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.


Either round-section construction LSZH, riser-rated or round-section construction,

plennum-rated cable is alternative for FluxLight’s QSFP56-DD-QSFP56-DD-AOC-xM-FL QSFP56-DD Active Optical Cables.


Memory Map

Compatible with QSFP56-DD CMIS rev 4.0.


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Mechanical Specifications

FluxLight’s QSFP56-DD-QSFP56-DD-AOC-xM-FL QSFP56-DD Active Optical Cables are compatible with the QSFP56-DD Type 2 Specification for pluggable form factor modules.


Diagram, engineering drawing  Description automatically generated


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ESD

This transceiver is specified as ESD threshold 1kV for SFI APDs and 2kV for all other electrical input APDs, tested per MIL- STD-883, Method 3015.4 /JESD22-A114-A (HBM). However, normal ESD precautions are still required during the handling of this module. This transceiver is shipped in ESD protective packaging. It should be removed from the packaging and handled only in an ESD protected environment.


Laser Safety

This is a Class 1 Laser Product according to IEC 60825-1:2007. This product complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated (June 24, 2007).


Licensing

The following U.S. patents are licensed by Finisar to FluxLight, Inc.:

U.S. Patent Nos: 7,184,668, 7,079,775, 6,957,021, 7,058,310, 6,952,531, 7,162,160, 7,050,720