40G QSFP+ transceiver
40G QSFP+ transceiver
QSFP+ SR fiber module
- Description
- Inquiry
40Gb/s 100m QSFP+ transceiver SR4
QSFP+ transceiver PRODUCT FEATURES
l High Channel Capacity: 40 Gbps per module
l Up to 11.1Gbps Data rate per channel
l Maximum link length of 100m links on OM3 multimode fiber
Or 150m on OM4 multimode fiber
l High Reliability 850nm VCSEL technology
l Electrically hot-pluggable
l Compliant with QSFP+ MSA
l Case operating temperature range:0°C to 70°C
l Power dissipation < 1.5 W
APPLICATIONS
l 40G Ethernet
l Infiniband QDR
l Fiber channel
STANDARD
l Compliant to IEEE 802.3ba
l Compliant to SFF-8436
l RoHS Compliant.
General Description
FastFOM QSFP+SR4 QSFP+ transceiver 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, control and bias blocks. The QSFP+ transceiver optical receiver portion of the transceiver incorporates a 4-channel PIN photodiode array, a 4-channel TIA array, a 4 channel output buffer, control blocks.
Ⅰ Absolute Maximum Ratings
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Storage Temperature | Ts | -40 | – | 85 | ºC |
Storage Ambient Humidity | HA | 5 | – | 95 | % |
Operating Relative Humidity | RH | – | – | 85 | % |
Power Supply Voltage | VCC | -0.3 | – | 4 | V |
Signal Input Voltage | Vcc-0.3 | – | Vcc+0.3 | V | |
Damage threshold | 3.4 | dBm |
Ⅱ Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
Case Operating Temperature | Tcase | 0 | – | 70 | ºC | Without air flow |
Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | |
Power Supply Current | ICC | – | 350 | mA | ||
Data Rate | BR | 10.3125 | Gbps | Each channel | ||
Transmission Distance | TD | – | 100 | m | OM3 MMF | |
150 | m | OM4 MMF |
Ⅲ Optical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | NOTE |
Transmitter | ||||||
Center Wavelength | λ0 | 840 | 860 | nm | ||
Average Launch Power each lane | -7.6 | -1 | dBm | |||
Spectral Width (RMS) | σ | 0.65 | nm | |||
Optical Extinction Ratio | ER | 3 | dB | |||
Average launch Power off each lane | Poff | -30 | dBm | |||
Transmitter and Dispersion Penalty each lane | TDP | 3.5 | dB | |||
Optical Return Loss Tolerance | ORL | 12 | dB | |||
Output Eye Mask | Compliant with IEEE 802.3ba | |||||
Receiver | ||||||
Receiver Wavelength | Λin | 840 | 860 | nm | ||
Rx Sensitivity per lane | RSENS | -9.5 | dBm | 1 | ||
Input Saturation Power (Overload) | Psat | 2.4 | dBm | |||
Receiver Reflectance | Rr | -12 | dB | |||
LOS De-Assert | LOSD | -12 | dBm | |||
LOS Assert | LOSA | -30 | dBm | |||
LOS Hysteresis | 0.5 | dBm |
Notes:
- Measured with a PRBS 231-1 test pattern, @10.325Gb/s, BER<10-12 .
- Electrical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | NOTE |
Supply Voltage | Vcc | 3.14 | 3.3 | 3.46 | V | |
Supply Current | Icc | 350 | mA | |||
Transmitter | ||||||
Input differential impedance | Rin | 100 | Ω | 1 | ||
Differential data input swing | Vin,pp | 180 | 1000 | mV | ||
Single ended input voltage tolerance | VinT | -0.3 | 4.0 | V | ||
Receiver | ||||||
Differential data output swing | Vout,pp | 300 | 850 | mV | 2 | |
Single-ended output voltage | -0.3 | 4.0 | V |
Notes:
- Connected directly to TX data input pins. AC coupled thereafter.
- Into 100 ohms differential termination.
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