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200G QSFP56 SR4 100m 850nm PM4 Transceiver

Features

QSFP56 Serial Optical Interface

4x50G PAM4 retimed 200GAUI-4 C2M electrical interface

  • MPO-12 connector
  • 4 channel VCSEL array and 4 channels PIN photodetector array >Maximum link length of 70m on OM3 or 100m on OM4

QSFP MSA Compliant

  • Hot Pluggable QSFP56 form factor
  • Compliant with SFF8636 Rev 2.10a

Support Protocol

  • Compliant with IEEE 802.3cd

Low Power Consumption

  • Less than 5W in temperature range of 0 to 70℃


Applications

  • 200GBASE-SR4200G Ethernet
  • Data center


  • 产品详细信息


200G QSFP56 SR4 100m 850nm MPO PM4 Optical Transceiver

 

Functional Block Diagram


200G QSFP56 SR4


General Description

200G QSFP56 SR4 Optical Transceiver modules are designed for use in 200Gigabit Ethernet links over OM3/OM4 multimode fiber. They are compliant with the QSFP MSA and with IEEE 802.3cd 200GBASE-SR4 specification. Digital diagnostics functions are available via the I2C interface as specified by SFF-8636.The transceiver is RoHS 2.0 compliant and lead-free per Directive 2011/65/EU.


Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Storage Temperature

Ts

-40

85

Relative Humidity (non-condensation)

RH


85

%

Supply Voltage

Vcc

-0.5

3.6

V

Receiver Damage Threshold, per Lane

PR dmg

5


dBm


Recommended Operating Conditions

Parameter

Symbol

Min

Max

Unit

Operating Case Temperature

Top

0

70

Power Supply Voltage

Vcc

3.135

3.465

V

Total Power Consumption

Pc


5

W

Bit Rate

BR


212.5

Gbps

Fiber Length on OM3 MMF



70

m

Fiber Length on OM4 MMF



100

m


Transmitter Optical Interface

Parameter

Symbol

Min

Typical

Max

Unit

Data rate per lane

DR


26.5625


Gbd

Modulation format


PAM4


Center Wavelength

λ

840

850

868

nm

RMS spectral width

σ



0.65

nm

Average Launch power, each lane

Pavg

-6.5


4

dBm

Optical Power OMA, each Lane

PoMA

-4.5


3

dBm

Launch power in OMA outer minus TDECQ


-5.9



dBm

Transmitter and dispersion eye closure (TDECQ), each lane

TDECQ



4.5

dB

Extinction ratio

ER

3



dB

Optical Return Loss Tolerance

ORLT



12

dB

Optical Power for TX DISABLE




-30

dBm

Encircled fluxb¹


≥86%at 19 um

≤30%at 4.5 um


Notes:

1.Measured into type A1a.2 or type A1a.3, or A1a.4,50 um fiber, in accordance with IEC 61280-1-4


Receiver Optical Interface

Parameter

Symbol

Min

Typical

Max

Unit

Data rate per lane

BR


26.5625


Gbd

Modulation format


PAM4


Damage threshold


5



dBm

Average receive power, each lane


-8.4


4

dBm

Receiver reflectance

Rr



-12

dB

Receiver sensitivity, each lane¹


RS=max (-6.5, SECQ-7.9)

dBm

Stressed receiver sensitivity, each ane




-3.4

dBm

Rx LOS

Assert


-30



dBm

De-assert




-9

dBm

Hysteresis


0.5



dB

Notes:

1.Receiver sensitivity is informative and is defined for a transmitter with a value of SECQ.  Measured with conformance test signal at TP3 for BER = 2.4E-4 Pre-FEC.


High speed Electrical Specifications

Parameters

Min

Typical

Max

Unit

Supply voltage

3.135


3.465

V

Supply Current



1.59

A

Input differential impedance

90

100

110

Ω

Differential pk-pk input Voltage Tolerance

900



mVpp

Differential data output swing



900

mVpp

Bit Error Rate Pre-FEC



2.4E-4


Input Logic Level High

2


Vcc

V

Input Logic Level Low

0


0.8

V

Output Logic Level High

Vcc-0.5


Vcc

V

Output Logic Level Low

0


0.4

V


PIN Definitions

QSFP56 pin-out as being defined by QSFP MSA,PIN Descriptions are as follows:

200G QSFP56 SR4


Package dimensions

shows the package dimensions of the module. Package dimensions are specified in QSFP MSA.

200G QSFP56 SR4



Ordering Information

Part Number

Temperature Range

Distance

Fiber Type

E/O

O/E

RQ56-200G-SR4

0 to 70℃

100m

MMF

VCSEL

850nm

PIN


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