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40G QSFP+ SR 300M

High Channel Capacity: 40 Gbps per module

Up to 11.1Gbps Data rate per channel

Maximum link length of 100m links on OM3 multimode fiber Or 150m links on OM4 multimode fiber
High Reliability 850nm VCSEL technology

Electrically hot-pluggable

Digital diagnostic SFF-8436 compliant

Case operating temperature range:0°C to 70°C

Power dissipation < 0.7 W

  • Product Detail
  • Applications
  • Pin Assignment
  • Outline Dimensions

HANSUN OPTICS 40G QSFP+ SR-M3 are designed for use in 40 Gigabit per second links over multimode fiber.
They are compliant with the QSFP+ MSA and IEEE 802.3ba 40GBASE-SR4.
The optical transmitter portion of the transceiver incorporates a 4-channel VCSEL (Vertical Cavity
Surface Emitting Laser) array, a 4-channel input buffer and laser driver, diagnostic monitors, control and bias blocks. For module control, the control interface incorporates a Two Wire Serial interface of clock and data signals. Diagnostic monitors for VCSEL bias, module temperature, transmitted optical power, received optical power and supply voltage are implemented and results are available through the TWS interface. Alarm and warning thresholds are established for the monitored attributes. Flags are set and interrupts generated when the attributes are outside the thresholds. Flags are also set and interrupts generated for loss of input signal (LOS) and transmitter fault conditions. All flags are latched and will remain set even if the condition initiating the latch clears and operation resumes. All interrupts can be masked and flags are reset by reading the appropriate flag register. The optical output will squelch for loss of input signal unless squelch is disabled. Fault detection or channel deactivation through the TWS interface will disable the channel. Status, alarm/warning and fault information are available via the TWS interface.
The optical receiver portion of the transceiver incorporates a 4-channel PIN photodiode array, a 4-channel TIA array, a 4 channel output buffer, diagnostic monitors, and control and bias blocks. Diagnostic monitors for optical input power are implemented and results are available through the TWS interface. Alarm and warning thresholds are established for the monitored attributes. Flags are set and interrupts generated when the attributes are outside the thresholds. Flags are also set and interrupts generated for loss of optical input signal (LOS). All flags are latched and will remain set even if the condition initiating the flag clears and operation resumes. All interrupts can be masked and flags are reset upon reading the appropriate flag register. The electrical output will squelch for loss of input signal (unless squelch is disabled) and channel de-activation through TWS interface. Status and alarm/warning information are available via the TWS interface.

Specifications of 40G QSFP+ SR 300m

Absolute Maximum Ratings

ParameterSymbolMin.Typ.Max.UnitNote
Storage TemperatureTs-4085ºC 
Relative HumidityRH595% 
Power Supply VoltageVCC-0.34V 
Signal Input Voltage Vcc-0.3Vcc+0.3V 
Damage threshold 3.4  dBm

Recommended Operating Conditions

ParameterSymbolMin.Typ.Max.UnitNote
Case Operating TemperatureTcase070ºCWithout air flow
Power Supply VoltageVCC3.143.33.46V 
Power Supply CurrentICC 200mA 
Data RateBR 10.3125 GbpsEach channel
Transmission DistanceTD 100mOM3 MMF
    300mOM4 MMF

Optical Characteristics

ParameterSymbolMinTypMaxUnitNOTE
Transmitter      
Center Wavelengthλ0840 860nm 
Average Launch Power each lane -7.6 0.5dBm 
Spectral Width (RMS)σ  0.65nm 
Optical Extinction RatioER3  dB 
Average launch Power off each lanePoff  -30dBm 
Transmitter and Dispersion Penalty each laneTDP  3.5dB 
Optical Return Loss ToleranceORL  12dB 
Output Eye MaskCompliant with IEEE 802.3ba 
Receiver      
Receiver Wavelengthλin840 860nm 
Rx Sensitivity per laneRSENS  -9.5dBm1
Input Saturation Power (Overload)Psat2.4  dBm 
Receiver ReflectanceRr  -12dB 
LOS De-AssertLOSD  -12dBm 
LOS AssertLOSA-30  dBm 
LOS Hysteresis 0.5  dBm

Electrical Characteristics

ParameterSymbolMinTypMaxUnitNOTE
Supply VoltageVcc3.143.33.46V 
Supply CurrentIcc  200mA 
Transmitter      
Input differential impedanceRin 100 Ω1
Differential data input swingVin,pp180 1000mV 
Single ended input voltage toleranceVinT-0.3 4.0V 
Receiver      
Differential data output swingVout,pp300 850mV2
Single-ended output voltage -0.3 4.0V
  • APPLICATIONS

     

    • 40G Ethernet

     

    • InfinibandQDR

     

    • Fiberchannel

     

    STANDARD

    • Compliant to IEEE3ba

     

    • Compliant toSFF-8436

     

    • RoHS

Pin out of Connector Block on Host Board

Pin

Symbol

Name/Description

NOTE

1

GND

Transmitter Ground (Common with Receiver Ground)

1

2

Tx2n

Transmitter Inverted Data Input

 

3

Tx2p

Transmitter Non-Inverted Data output

 

4

GND

Transmitter Ground (Common with Receiver Ground)

1

5

Tx4n

Transmitter Inverted Data Input

 

6

Tx4p

Transmitter Non-Inverted Data output

 

7

GND

Transmitter Ground (Common with Receiver Ground)

1

8

ModSelL

Module Select

 

9

ResetL

Module Reset

 

10

VccRx

3.3V Power Supply Receiver

2

11

SCL

2-Wire serial Interface Clock

 

12

SDA

2-Wire serial Interface Data

 

13

GND

Transmitter Ground (Common with Receiver Ground)

 

14

Rx3p

Receiver Non-Inverted Data Output

 

15

Rx3n

Receiver Inverted Data Output

 

16

GND

Transmitter Ground (Common with Receiver Ground)

1

17

Rx1p

Receiver Non-Inverted Data Output

 

18

Rx1n

Receiver Inverted Data Output

 

19

GND

Transmitter Ground (Common with Receiver Ground)

1

20

GND

Transmitter Ground (Common with Receiver Ground)

1

21

Rx2n

Receiver Inverted Data Output

 

22

Rx2p

Receiver Non-Inverted Data Output

 

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