WT-QSFP+-IR4

Parameter

Symbol

Min.

Typical

Max

Unit

Notes

Wavelength Assignment

L0

1264.5

1271

1277.5

nm

L1

1284.5

1291

1297.5

nm

L2

1304.5

1311

1317.5

nm

L3

1324.5

1331

1337.5

nm

Transmitter

Side-mode SuppressionRatio

SMSR

30

-

-

dB

Total Average LaunchPower

P_T

-

-

8.3

dBm

Optical Modulation Amplitude, each Lane

OMA

-2

-

+3.5

dBm

Difference in LaunchPower between any two Lanes (OMA)

-

-

5

dB

Extinction Ratio

ER

3.5

-

-

dB

Relative Intensity Noise

R_in

-

-

-128

dB/Hz

12dB reflection

-20dB Spectral Width

-

-

1

nm

Modulated

Transmitter Reflectance

R_T

-12

dB

Total Jitter

0.2

UI

Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}

{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}

Transmitter OutputPowerMonitoring Accuracy

OPMA

-2

2

dB

Receiver

Damage Threshold

TH_d

3.5

dBm

1

Receiver Sensitivity, each Lane

S_R

-

-

-11.5

dBm

Difference in ReceivePower between any two Lanes (OMA)

7.5

dB

Receive Electrical 3 dB upper CutoffFrequency, each Lane

12.3

GHz

RSSI Accuracy

-2

2

dB