Home / Products / Optical Transceivers / 100G Optical Transceivers / 100G 850nm 100M QSFP28 SR4
100G 850nm 100M QSFP28 SR4
100G, 850nm, 100M, QSFP28, SR4 

LX8501CDR QSFP28 transceivers are designed for use in 100Gb/s links over multimode fiber. They integrates four-channel VCSEL array and four-channel PIN photodiode array, the module can operate at 103.1Gb/s up to 70m using OM3 or 100m using OM4 MMF. They are compliant with the QSFP28 MSA and IEEE 802.3bm 100GBASE-SR4.

Overview

LX8501CDR QSFP28 transceivers are designed for use in 100Gb/s links over multimode fiber. They integrates four-channel VCSEL array and four-channel PIN photodiode array, the module can operate at 103.1Gb/s up to 70m using OM3 or 100m using OM4 MMF. They are compliant with the QSFP28 MSA and IEEE 802.3bm 100GBASE-SR4.

Product Features


 Compliant with IEEE Std 802.3bm, 100G BASE SR4 Ethernet

 Compliant with QSFP28 MSA

 Management interface specifications per SFF-8636

 Single MPO connector receptacle

 4 channels 850nm VCSEL array

 4 channels PIN photo detector array

 Up to 103.1Gb/s data rates

 Single +3.3V power supply

 Class 1 laser safety certified

 Commercial operating temperature: 0℃ to +70℃

 Up to 70m on OM3 MMF and 100m on OM4 MMF



Optical Characteristics

Table 1. Transmitter Optical Characteristics

Parameter

Symbol

Minimum

Typical

Maximum

Unit

Notes

Launch Optical Power

Po

-8.4

-

+2.4

dBm

1

Center Wavelength Range

λc

840

850

860

nm

-

Extinction Ratio

EX

2

-

-

dB

2

Spectral width(RMS)

Δλ

-

-

0.6

nm

Transmitter and Dispersion Penalty

TDP

-

-

4.3

dB

-

Optical Return Loss Tolerance

ORLT

-

-

12

dB

-

Eye Diagram

IEEE Std 802.3bm compatible

Notes:

1.    The optical power is launched into OM3 MMF.

2.    Measured with a PRBS 231-1 testpattern @25.78125Gbps.



Table 2. Receiver Optical Characteristics

Parameter

Symbol

Minimum

Typical

Maximum

Unit

Notes

Center Wavelength

λc

840

850

860

nm

-

Average Receiver Sensitivity (Pavg)

S

-

-

-10.3

dBm

1

Average Receiver Sensitivity (Pavg)

S

-7.5

dBm

2

Receiver Overload (Pavg)

POL

2.5

-

-

dBm

Damage Threshold

POL

3.4

-

-

dBm

Optical Reflectance

ORL

-

-

-12

dB

-

LOS De-Assert

LOSD

-

-

-11

dBm

-

LOS Assert

LOSA

-30

-

-

dBm

-

LOS Hysteresis

-

0.5

-

5

dB

-


Notes:

1.    Measured with PRBS 231-1 testpattern, 25.78125Gb/s, BER<5E-5.

2.    Measured with PRBS 231-1 testpattern, 25.78125Gb/s, BER<10-12.


Table 3. Ordering Information

Part Number

Transmitter

Output Power

Receiver

Sensitivity

Reach

Temp

DDM

RoHS

LX8501CDR

850nm VCSEL

-8.4 ~ +2.4dBm

PIN

< -10.3dBm

100m

0~ 70℃

Available

Compliant

Applications

 100G BASE-SR4 Ethernet

 Data Center