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100G QSFP28 SR4 Active Optical Cable

100G QSFP28 SR4 Active Optical Cable

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Description

Description

The F-tone NetworksFT-MTRQ-4L101 QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links over single mode fiber. They are compliant with the QSFP28 MSA , CWDM4 MSA and IEEE 802.3bm . Digital diagnostics functions are available via an I2C interface, as specified by the QSFP28 MSA.

Features

●  Hot-pluggable QSFP28 form factor

●  Supports 103.1 Gb/s aggregate bit rates

●  Power dissipation < 3.5W RoHS-6 compliant (lead-free)

●  Commercial case temperature range 0°C to 70°C 

●  Single 3.3V power supply

●  Maximum link length of 2km on Single Mode Fiber (SMF) with KR4 FEC

●  Duplex LC receptacles

●  I2C management interface 4x25G retimed electrical interface

●  4x25Gb/s CWDM transmitter

Applications

●  100G CWDM4 applications with FEC

●  Other Optical Links.

Standards

●  Compliant with QSFP+ MSA.

●  Compliant with SFF-8636.

●  Compliant with IEEE802.3bm

●  Compliant with RoHS6.

Absolute Maximum Ratings

Parameter

Symbol

Unit

Min

Max

Storage Temperature Range  

Ts

o

C

-40

85

Relative Humidity

RH

%

0

85

Power Supply Voltage

Vcc

V

-0.5

4

Receiver Damage Threshold, per Lane

PT

dBm  

5.5

Recommended Operating Conditions

Operating Case Temperature Range

Tc

o

C

0

-

70

Power Supply Voltage

Vcc

V

3.135

3.3

3.465

Total Data Rate

Gbps

-

103.1  

Maximum Data Rate per Lane

Gbps

25.78125

Specifications

Tested under recommended operating conditions, unless otherwise noted

Optical Transmitter Characteristics 

PARAMETER

SYMBOL  

MIN  

TYPE

MAX  

UNITS

Bit Rate per Lane

25.78125 ± 100 ppm

GBd

Lane center wavelengths (range)  

CH0

λ0

1264.5

1277.5

nm

CH1

λ1

1284.5

1297.5

nm

CH2

λ2

1304.5

1317.5

nm

CH3

λ3

1324.5

1337.5

nm

Average Launch Power per Lane  

TXPx  

2.5

dBm

Side-Mode Suppression Ratio

SMSR

30

dB

Transmit OMA per Lane

OMA

-4

2.5

 dBm

Launch Power (OMA-TDP)

-5

dBm

Extinction Ratio

ER

3.5

dB

Transmitter and Dispersion Penalty  per Lane

TDP

3

dB

Average launch power of OFF transmitter, per lane

-30  

dBm

TTransmitter eye mask definition {X1,  

X2, X3, Y1, Y2, Y3}

{0.31, 0.4, 0.45, 0.34, 0.38,  

0.4}

Transmitter Reflectance

-12

dB

Optical Receiver Characteristics

PARAMETER

SYMBOL  

MIN  

TYPE

MAX  

UNITS

Bit Rate per Lane

25.78125 ± 100 ppm

GBd

Lane center wavelengths (range)

CH0

λ0

1264.5

1277.5

nm

CH1

λ1

1284.5

1297.5

nm

CH2

λ2

1304.5

1317.5

nm

CH3

λ3

1324.5

1337.5

nm

Receive Saturation  (OMA) per Lane

2.5

dBm

Damage threshold per Lane

3.5

dBm

Unstressed Receiver Sensitivity  

(OMA) per Lane

-10

dBm

Stressed Receiver Sensitivity (OMA)  per Lane

-7.3

dBm

Conditions of stressed receiver sensitivity test:

Vertical Eye Closure Penalty

VECP

1.9

dB

Stressed J2 Jitter

J2

0.33

UI

Stressed J4 Jitter

J4

0.48

-

UI

LOS De-Assert

LOSD

-11

dBm

LOS Assert

LOSA

-25

dBm

LOS Hysteresis

0.5

dB

 

 

 

 

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.

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