Description
This product is a 100Gb/s receiver module designed for optical communication applications compliant to 100GBASE-LR4 of the IEEE P802.3ba standard and ONT OUT4. The receiver module de-multiplexes a 100Gb/s optical input into 4 channels of LAN WDM optical signals and then converts them to 4 output channels of electrical data.
The central wavelengths of the 4 LAN WDM channels are 1295.56nm, 1300.05nm, 1304.58nm and 1309.14 nm as members of the LAN WDM wavelength grid defined in IEEE 802.3ba. The high sensitivity PIN receivers provide superior performance for 100Gigabit Ethernet and ONT OUT4 applications up to 10km links and compliant to optical interface with IEEE802.3ba Clause 88 100GBASE-LR4 requirements.
The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP+ Multi-Source Agreement (MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.

Features
● 4 channels full-duplex receiver modules
● Transmission data rate up to 28Gbps per channel
● 4 channels PIN ROSA
● Internal CDR circuits on receiver channels
● Low power consumption <1.5W
● Hot Pluggable QSFP form factor
● Up to reach 10km for G.652 SMF
● Duplex LC receptacles
● 3.3V power supply voltage
● RoHS 6 compliant(lead free)
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃

Applications
● IEEE 802.3ba 100GBASE LR4
● OTN OTU4 4I1-9D1F

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

85

%

Damage Threshold, each Lane

TH

5.5

dBm

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

25.78

27.95

Gbps

Humidity

Rh

5

85

%

Power Dissipation

P

1.5

W

Link Distance with G.652

D

0.002

10

km

Electrical Specifications

Parameter

Symbol

Min

Typical

Max

Unit

Power Consumption

P

3.5

W

Supply Current

Icc

1.06

A

Transceiver Power-on          Initialization Time

2000

ms

Receiver(each Lane)

Single-ended Output Voltage

-0.3

4.0

V

AC Common Mode Output Voltage

7.5

mV

Differential Output Voltage Swing

Vout

300

850

mVpp

Differential Output Impedance

Zout

90

100

110

Ohm

 Note：Power-on Initialization Time is the time from when the power supply voltages reach and remain above the minimum recommended operating supply voltages to the time when the module is fully functional.

Optical Characteristics 
Table 3 - Optical Characteristics

QSFP28 100GBASE-LR4

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Lane Wavelength

L0

1294.53

1295.56

1296.59

nm

 

L1

1299.02

1300.05

1301.09

nm

 

L2

1303.54

1304.58

1305.63

nm

 

L3

1308.09

1309.14

1310.19

nm

 

Receiver

Damage Threshold,    each Lane

THd

5.5

dBm

1

Total Average Receive Power

10.5

dBm

Average Receive Power, each Lane

-10.6

4.5

dBm

Receive Power (OMA),   each Lane

4.5

dBm

Receiver Sensitivity (OMA),@25.78125 Gbps each Lane

SEN

-8.6

dBm

Equivalent Sensitivity,

@27.95 Gbps

each Lane

SEN

-8.4

dBm

2

Stressed Receiver Sensitivity (OMA),     each Lane

-6.8

dBm

3

Difference in Receive Power between any Two Lanes (OMA)

Prx,diff

5.5

dB

LOS Assert

LOSA

-18

dBm

LOS Deassert

LOSD

-15

dBm

LOS Hysteresis

LOSH

0.5

dB

Receiver Electrical 3 dB upper Cutoff Frequency, each Lane

Fc

31

GHz

Conditions of Stress Receiver Sensitivity Test (Note 5)

Vertical Eye Closure Penalty, each Lane

1.8

dB

4

Stressed Eye J2 Jitter,  each Lane

0.3

UI

Stressed Eye J9 Jitter,  each Lane

0.47

UI

Note：

  • The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
  • Specified at a BER of 10-6（pre-FEC）,per ITU-T G.sup39.
  • Measured with conformance test signal at receiver inputfor BER = 1x10-12.
  • Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity. They are not characteristics of the receiver.

Mechanical Dimensions41

Ordering information

Part Number

Product Description

FTQ2-HG-LR4R

100GE, QSFP28, Receiver , LAN_WDM 10km,0ºC ~ +70ºC

FTQ2-HG-LR4RI

100GE, QSFP28, Receiver , LAN_WDM 10km,-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.