Description
The F-tone Networks FTQD-4H-SR8xx-B is a Eight-Channel, Pluggable, Parallel, Fiber-Optic QSFP Double Density for 2x200 Gigabit Ethernet Applications. This transceiver is a high performance module for short-range multi-lane data communication and interconnection applications. It integrates eight data lanes in each direction with 8x26.5625GBd. Each lane can operate at 53.125Gbps up to 70 m using OM3 fiber or 100 m using OM4 fiber with FEC. 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 MTP24/MPO24 PC connector (or MPO16/MTP16 APC connector ). The Common Management Interface Specification (CMIS) for QSFP DD modules, This module incorporates F-tone Networks Technologies proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.

Features
● 8 channels full-duplex transceiver modules
● Transmission data rate up to 53Gbps per channel
● 8x53Gbps PAM4 transmitter and PAM4 receiver
● 8 channels 850nm VCSEL array
● 8 channels PIN photo detector array
● Internal CDR circuits on both receiver and transmitter channels
● Power consumption <10W
● Hot Pluggable QSFP DD form factor and Compliant with CMIS
● Maximum link length of 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF with FEC
● MPO24 PC connector receptacle (B version)
● MPO16 APC connector receptacle (C version)
● Built-in digital diagnostic functions
● 3.3V power supply voltage
● RoHS compliant(lead free)
● Case operating temperature
     Commercial: 0 ~ +70℃
     Industrial: -40 ~ +85℃

Applications
● IEEE 802.3cd 200GBASE-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

26.5625

GBd

Humidity

Rh

5

85

%

Power Dissipation

Pm

10

W

 

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

900

mVp-p

Differential output voltage amplitude

ΔVout

900

mVp-p

Skew

Sw

300

ps

Bit Error Rate

BER

2.4E-4

-

Near-end Eye Width at 10^-6 probability(EW6)

0.265

UI

Near-end Eye Height at 10^-6 probability(EH6)

70

mV

Far-end Eye Width at 10^-6 probability(EW6)

0.20

UI

Far-end Eye Height at 10^-6 probability(EH6)

30

mV

Near-end Eye Linearity

0.85

-

Note：
1.   BER=2.4E-4; 该邮件地址已受到反垃圾邮件插件保护。要显示它需要在浏览器中启用 JavaScript。. Pre-FEC
2.  Differential input voltage amplitude is measured between TxnP and TxnN.
3.  Differential output voltage amplitude is measured between RxnP and RxnN. 

Optical Characteristics 
Table 3 - 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

-6.5

-

4

dBm

-

Optical Modulation Amplitude

(OMAouter), each lane

OMA

-4.5

3

dBm

-

Transmitter and dispersion eye closure(TDEC),each lane

TDEC

4.5

dB

Extinction Ratio

ER

3

-

-

dB

-

Average launch power of OFF

transmitter, each lane

-30

dB

-

Receiver

Centre Wavelength

λc

840

850

860

nm

-

Receiver Sensitivity in  OMAout

RXsen

    

（-6.5，-3.4）

dBm

1

Stressed Receiver Sensitivity in OMAout

-3

dBm

1

Maximum Average power at receiver , each lane

input, each lane

4

dBm

-

Minimum Average power at receiver , each lane

-7.9

dBm

Receiver Reflectance

-12

dB

-

LOS Assert

-10

dBm

-

LOS De-Assert – OMA

-7.5

dBm

-

LOS Hysteresis

0.5

dB

-

Note：Measured with conformance test signal at TP3 for BER = 2.4E-4 Pre-FEC

Mechanical Dimensions65

Ordering information

Part Number

Product Description

FTQD-4H-SR8-B

QSFP DD, 2x200GBASE-SR4, 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF ,with DSP Power consumption <10W, MPO24(MTP24) APC connector,0ºC ~ +70ºC

FTQD-4H-SR8I-B

QSFP DD, 2x200GBASE-SR4, 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF ,with DSP Power consumption <10W, MPO24(MTP24) APC connector,-40ºC ~ +85ºC

FTQD-4H-SR8-C

QSFP DD, 2x200GBASE-SR4, 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF ,with DSP Power consumption <10W, MPO16(MTP16) APC connector,0ºC ~ +70ºC

FTQD-4H-SR8I-C

QSFP DD, 2x200GBASE-SR4, 70m on OM3 Multimode Fiber (MMF)and 100m on OM4 MMF ,with DSP Power consumption <10W, MPO16(MTP16) APC connector,-40ºC ~ +85ºC

 

 

 

 

 

 

 

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注：本产品有全国产化型号可选

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.