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100G QSFP LR4 10KM
100G QSFP LR4 10KM

Product Name: 100Gb/s QSFP28 LR4 Optical Transceiver

Product Model: GY-GDH-LR4-10


Features:

*Hot pluggable QSFP28 MSA form factor

*Compliant to IEEE 802.3ba 100GBASE-LR4

*Up to 10km reach for G.652 SMF

*Single +3.3V power supply

*Operating case temperature: 0~70oC

*Transmitter: cooled 4x25Gb/s LAN WDM EML TOSA (1295.56, 1300.05, 1304.58, 1309.14nm)

*Receiver: 4x25Gb/s PIN ROSA

*4x28G Electrical Serial Interface (CEI-28G-VSR)

*Maximum power consumption 4.0W

*Duplex LC receptacle


Applications:

*100GBASE-LR4 Ethernet Links

*Infiniband QDR and DDR interconnects

*Client-side 100G Telecom connections


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Optical Characteristics

QSFP28 100GBASE-LR4

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Lane Wavelength

L0

1294.53

1295.56

1296.59

nm


L1

1299.02

1300.05

1301.09

nm


L2

1303.54

1304.58

1305.63

nm


L3

1308.09

1309.14

1310.19

nm


Transmitter

 SMSR 

SMSR

30



dB


Total Average Launch Power

PT



10.5

dBm


Average Launch Power,

each Lane

PAVG

-4.3


4.5

dBm


OMA, each Lane

POMA

-1.3


4.5

dBm

1

Difference in Launch Power between   any Two Lanes (OMA)

Ptx,diff



5

dB


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


-2.3



dBm


TDP, each Lane

TDP



2.2

dB


 Extinction Ratio 

ER

4



dB


RIN20OMA

RIN



-130

dB/Hz


Optical Return Loss Tolerance

TOL



20

dB


Transmitter Reflectance

RT



-12

dB


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


{0.25, 0.4, 0.45,   0.25, 0.28, 0.4}


2

Average Launch Power OFF   Transmitter, each Lane

Poff



-30

dBm


Receiver

Damage Threshold, each Lane

THd

5.5



dBm

3

Total Average Receive Power




10.5

dBm


Average Receive Power, each Lane


-10.6


4.5

dBm


Receive Power (OMA), each Lane




4.5

dBm


Receiver Sensitivity (OMA), each Lane

SEN



-8.6

dBm


Stressed Receiver Sensitivity (OMA), each Lane




-6.8

dBm

4

Difference in Receive Power between any Two   Lanes (OMA)

Prx,diff



5.5

dB


LOS Assert

LOSA


-18


dBm


LOS Deassert

LOSD


-15


dBm


LOS Hysteresis

LOSH

0.5



dB


Receiver Electrical 3 dB upper   Cutoff Frequency, each Lane

Fc



31

GHz


Conditions of Stress Receiver   Sensitivity Test (Note 5)

Vertical Eye Closure Penalty, each Lane



1.8


dB


Stressed Eye J2 Jitter, each Lane



0.3


UI


Stressed Eye J9 Jitter, each Lane



0.47


UI


Standard Product

Part NumberData   Rate (Gbit/s)ReachTxRxTx   Power   (dBm)Rx   Sens             (dBm)Power   Consumption
GY-GCH-SR4100100m850nm   VCSELPIN-8.4~2.4≤-10.3<2.5w
GY-GCH-PSM4100500m1310nm   CWDMPIN-6.5~2.5≤-10<4w
GY-GCH-CWDM41002km1310nm   CWDMPIN-6.5~2.5≤-10<4w
GY-GDH-LR410010km1310nm   LAN-WDM DMLPIN-4.3~4.5≤-8.6<3.5w
GY-GDH-RX only10010km
PIN
≤-8.6<1.6w
GY-GDH-LR4-40*10040km1310nm   Lan-WDM SOAAPD-1.0~-4.0≤-14<5.0w