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QSFP28光模块

QSFP28-PSM4

型号: WT-QSFP28-PSM4


100Gbs QSFP28 PSM4 Optical Transceiver Module

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 FEATURE 

 

Four-channel full-duplex transceiver modules

Transmission data rate up to 26Gbit/s per channel

Up to 2km transmission of single mode fiber

Low power consumption <3.5W

Operating case temperature 0°C to +70°C

3.3V power supply voltage

RoHS 6 compliant

Hot Pluggable QSFP28 form factor

Single MPO connector receptacle

Built-in digital diagnostic function

 

 APPLICATIONS

l   100G Ethernet

l    Proprietary High Speed Interconnections

l   Data center

 

 

Outline drawing 

标签:   QSFP28光模块

 Optical Characteristics

All parameters are specified under the recommended operating conditions with PRBS31 data pattern unless otherwise specified.

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Transmitter

Center Wavelength

λC

1295

1310

1325

nm

1

RMS Spectral Width

λrms

-

 

3.5

nm

1

Average Launch Power, each lane

PAVG

-5

-0.5

+2.5

dBm

 

Optical Modulation Amplitude (OMA)

POMA

-5

-0.5

+2.5

dBm

1

Difference in Launch Power between any two lanes

Ptx,diff

 

 

5.0

dB

 

Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane

OMA-TDP

-2.3

 

 

dBm

1

Rise/Fall Time

Tr/Tf

 

 

30

ps

 

Extinction Ratio

ER

3.5

 

 

dB

 

Relative Intensity Noise

Rin

 

 

-128

dB/Hz

 

Optical Return Loss Tolerance

TOL

 

 

11.9

dB

 

Transmitter Reflectance

RT

 

 

-12

dB

 

Transmitter Eye Mask Margin

EMM

10

 

 

%

2

Average Launch Power OFF Transmitter, each Lane

Poff

 

 

-30

dBm

 

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

 

{0.23, 0.34, 0.43, 0.26, 0.36, 0.4}

 

 

 

 

 

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Receiver

Center Wavelength

λC

1290

1310

1330

nm

 

Damage Threshold

THd

+3

 

 

dBm

 

Overload, each lane

OVL

+2

 

 

dBm

 

Receiver Sensitivity in OMA, each Lane

SEN

 

 

-8.6

dBm

3

Signal Loss Assert Threshold

LOSA

-30

 

 

dBm

 

Signal Loss Deassert Threshold

LOSD

 

 

-15

dBm

 

LOS Hysteresis

LOSH

0.5

 

6

dB

 

Optical Return Loss

ORL

 

 

-12

dBm

 

Notes:

1. Transmitter wavelength, RMS spectral width and power need to meet the OMA minus TDP specs to guarantee link performance. 

2. The eye diagram is tested with 1000 waveform.

    3. Measured with conformance test signal at receiver input for BER = 1x10-12.

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