Description:
F-tone Networks 200G QSFPDD To 2x100G QSFP28 breakout Active Optical Cable (FTQD-2H-SR8-2Q2-Oxxx ) is designed for short-range multi-lane data communication and interconnect applications. It integrates eight data lanes in each direction with 8x25.78125Gbps bandwidth. Each lane can operate at 25.78125Gbps up to 70 m using OM3 fiber or 100 m using OM4 fiber. These modules are designed to operate over multimode fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 76 contact edge type connector. The optical interface uses a 24 fiber MTP (MPO) connector. This module incorporates F-tone Networks Technologies proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.

Features:
● Hot-pluggable QSFP DD/QSFP28 form factor
● 8 channels full-duplex transceiver module
● Supports data rate up to 26Gbps per channel
● 8 channels 850nm VCSEL array and PIN photo-detector array
● Internal CDR circuits within receiver and transmitter data paths
● Supports CDR bypass via I2C controlled
● Low power consumption: 200GBASE-SR8 QSFP DD＜4W and 100GBASE-SR4 QSFP28＜2.5W
● Maximum link length of 70m on OM3 MMF and 100m on OM4 MMF
● Single MTP/MPO receptacle
● Built-in digital diagnostic monitoring functionality
● I2C management interface
● Single 3.3V power supply
● RoHS 2.0 compliant (lead free)
● Case operating temperature
     Commercial: 0 ~ +70℃
     Industrial: -40 ~ +85℃

Applications:
● IEEE 802.3cd 200GBASE SR8
● IEEE 802.3bm 100GBASE SR4

Absolute Maximum Ratings

Parameter

Symbol

Min

Max

Unit

Supply Voltage

Vcc

-0.3

3.6

V

Input Voltage 

Vin

-0.3

Vcc+0.3

V

Storage Temperature

Tst

-20

85

ºC

Case Operating Temperature

Top

0

70

ºC

Humidity(non-condensing)

Rh

5

95

%

 

Recommended Operating Conditions

Parameter

Symbol

Min

Typical

Max

Unit

Supply Voltage

Vcc

3.13

3.3

3.47

V

Operating Case temperature

Tca

0

70

ºC

Data Rate Per Lane

fd

25.78125

Gbps

Humidity

Rh

5

85

%

Power Dissipation

Pm

2

2.5

W

Fiber Bend Radius

Rb

3

cm

 

Electrical Specifications

Parameter

Symbol

Min

Typical

Max

Unit

Differential input impedance

Zin

90

100

110

ohm

Differential Output impedance

Zout

90

100

110

ohm

Differential input voltage amplitude  aAmplitude

ΔVin

300

1100

mVp-p

Differential output voltage amplitude

ΔVout

500

800

mVp-p

Skew

Sw

300

ps

Bit Error Rate1

BER

E-12

Input Logic Level High2

VIH

2.0

VCC

V

Input Logic Level Low2

VIL

0

0.8

V

Output Logic Level High3

VOH

VCC-0.5

VCC

V

Output Logic Level Low3

VOL

0

0.4

V

Note：
1.   BER=10^-12; PRBS 2^31-1@78125Gbps.
2.   Differential input voltage amplitude is measured between TxnP and TxnN.
3.   Differential output voltage amplitude is measured between RxnP and RxnN.

Optical Characteristics 

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Centre Wavelength

λc

840

850

860

nm

-

RMS spectral width

∆λ

-

-

0.6

nm

-

Average launch power, each lane

Pout

-8.4

-

2.4

dBm

-

Optical Modulation Amplitude

(OMA),each lane

OMA

-6.4

3

dBm

-

Transmitter and dispersion eye closure(TDEC),each lane

TDEC

4.3

dB

Extinction Ratio

ER

3

-

-

dB

-

Average launch power of OFF

transmitter, each lane

-30

dB

-

Eye Mask coordinates:

   X1, X2, X3, Y1, Y2, Y3

SPECIFICATION VALUES

{0.3,0.38,0.45,0.35,0.41.0.5}

Hit Ratio = 5x10-5

Receiver

Centre Wavelength

λc

840

850

860

nm

-

Stressed receiver sensitivity in OMA

-5.2

dBm

1

Maximum Average power at receiver , each lane

input, each lane

2.4

dBm

-

Minimum Average power at receiver , each lane

-10.3

dBm

Receiver Reflectance

-12

dB

-

LOS Assert

-30

dBm

-

LOS De-Assert – OMA

-7.5

dBm

-

LOS Hysteresis

0.5

dB

-

 

Mechanical Dimensions61

Ordering Information

Part Number

Product Description

FTQD-2H-SR8-2Q2-Oxxx

200G QSFP DD To 2x100GBASE QSFP28 SR4 AOC, up to 70m on OM3 and 100m on OM4 MMF,0ºC ~ +70ºC

FTQD-2H-SR8-2Q2-OxxxI

200G QSFP DD To 2x100GBASE QSFP28 SR4 AOC, up to 70m on OM3 and 100m on OM4 MMF,-40ºC ~ +85ºC

 

 

 

 

 

 

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Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.