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HomeOptical Transceivers100G 850nm 100M SR4 QSFP28

100G 850nm 100M SR4 QSFP28

  • 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.
  • 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
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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
Note:
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
-
Note:
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.
  • 100G BASE-SR4 Ethernet
  • Data Center