Description
The F-tone Networks FTQ2-HG-PSMLR4I is a Four-Channel, Pluggable, Parallel, Fiber-Optic QSFP 28 PSM4 for 100 or 40 Gigabit Ethernet, Infiniband DDR/EDR Applications. The transceiver is a high performance module for data communication and interconnect applications. It integrates four data lanes in each direction with 104 Gbps bandwidth. Each lane can operate at 26Gbps up to 10km over G.652 SMF. These modules are designed to operate over single mode fiber systems using a nominal wavelength of 1310nm. The electrical interface uses a 38 contact edge type connector. The optical interface uses a 12 fiber MTP (MPO) connector. This module incorporates F-tone Networks proven circuit and Optical technology to provide reliable long life, high performance, and consistent service.

Features
● 4 channels full-duplex transceiver modules
● Transmission data rate up to 26Gbps per channel
● 4 channels 1310nm DFB
● 4 channels PIN photo detector array
● Internal CDR circuits on both receiver and transmitter channels
● Support CDR bypass
● Low power consumption <4.5W
● Hot Pluggable QSFP form factor
● Up to 10km reach for G.652 SMF
● Single male MPO(APC 8-degree) connector receptacle
● Operating case temperature -40°C to +85°C
● 3.3V power supply voltage
● RoHS compliant(lead free)

Applications
● 100G Ethernet links
● Infiniband DDR/EDR
● Datacenter and Enterprise networking

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

-40

95

ºC

Case Operating Temperature

Top

-40

85

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

-40

85

ºC

Data Rate Per Lane

fd

25.78125

Gbps

Humidity

Rh

5

85

%

Power Dissipation

Pm

3

4.5

W

Supply Current

Icc

1.1

A

Link Distance with G.652

D

0.002

2

km

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

ΔVin

190

700

mVp-p

Differential output voltage amplitude

ΔVout

300

850

mVp-p

Input Logic Level High

VIH

2.0

VCC

V

Input Logic Level Low

VIL

0

0.8

V

Output Logic Level High

VOH

VCC-0.5

VCC

V

Output Logic Level Low

VOL

0

0.4

V

Note：
1. Differential input voltage amplitude is measured between TxnP and TxnN.
2. 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

1295

1310

1325

nm

-

Side Mode Suppression Ratio

SMSR

30

-

dB

-

Average launch power, each lane

PAVG

-5

-

2.0

dBm

-

Optical Modulation Amplitude(OMA),each lane

POMA

-5.0

2.2

dBm

1

TDP each lane

TDP

2.9

dB

Extinction Ratio

ER

3.5

-

-

dB

-

Relative Intensity Noise

RIN

-128

dB/Hz

Optical Return Loss Tolerance

TOL

20

dB

Transmitter Reflectance

RT

-20

dB

Average launch power of OFF transmitter, each lane

POFF

-30

dBm

-

Eye Mask coordinates:

   X1, X2, X3, Y1, Y2, Y3

{0.31,0.4,0.45,0.34,0.38.0.4}

Hit Ratio = 5x10-5

Receiver

Centre Wavelength

λc

1295

1310

1325

nm

-

Damage Threshold, each lane

THd

3.0

dBm

2

Average Receive Power,     each lane

-12.66

2.0

dBm

Receive power, each lane (OMA) (max)  

2.2

dBm

Receiver Reflectance

RR

-26

dBm

Receiver Sensitivity (OMA), each lane

SEN

-11.4

dBm

3

LOS Assert

LOSA

-18

dBm

-

LOS De-Assert – OMA

LOSD

-15

dBm

-

LOS Hysteresis

LOSH

0.5

3

dB

-

Note：
1. Even if the TDP<1dB, the OMA min must exceed the minimum value specified here.
2. 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.
3. Sensitivity is specified at 5x10^-5 BER at 25.78125 Gb/s.

Mechanical Dimensions43

Ordering information

Part Number

Product Description

FTQ2-HG-PSMLR4I

100Gb/s QSFP28 PSM4, MPO Connector, reach 10km on G.652 , -40~85℃

 

 

 

 

 

 

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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.