The QSFP+ 40G-LR4-10km module is a highly integrated 4x10G transceiver focused on reach, bandwidth, density and cost for high port-count 40G systems, and client-side 40G interfaces. The 40G QSFP+ LR4 Lite transceiver is designed for applications based on the IEEE802.3ba 40GBASE-LR4 standard of up to 10km reach.
Reach: 10 km via SMF
Uncooled CWDM DFB lasers, directly modulated
Using ITU G.694.2 wavelength grid at 1271, 1291, 1311, and 1331nm
User controllable Transmit Input Equalization and Receiver Output Amplitude
MSA-compliant performance monitoring via I2C interface
Fiber connector: SMF LC duplex connector
Compliant with QDR/DDR InfiniBand data rates
Hot-pluggable electrical interface
0–70°C operating temp
Power dissipation < 3.5W
RoHS6 compliant (lead-free)
40G Ethernet
InfiniBand QDR and DDR interconnects
Recommended Operating Environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.
Parameter | Symbol | Min | Typical | Max | Unit |
Power Supply Voltage | VCC | 3.135 | 3.300 | 3.465 | V |
Operating Case Temperature | TC | 0 | 25 | 70 | °C |
Parameter | Symbol | Min | Typical | Max | Unit | |
Center Wavelength | Ch0 | λ0 | 1264.5 | - | 1277.5 | nm |
Ch1 | λ1 | 1284.5 | - | 1297.5 | nm | |
Ch2 | λ2 | 1304.5 | - | 1317.5 | nm | |
Ch3 | λ3 | 1324.5 | 1337.5 | nm | ||
Bit Rate per Channel | B | 10.3125 | 10.7546 | Gb/s | ||
Total Average Launch Power | POUT | - | - | 8.0 | dBm | |
Side Mode Suppression Ratio | SMSR | 30 | - | - | dB | |
Average launch power, each lane | -6.8 | - | 2.0 | dBm | ||
Optical Modulation Amplitude (each lane) | OMA | -3.8 | - | 3.5 | dBm | |
Optical Modulation Amplitude (OMA) - TDP, per lane (min) | - | -4.8 | - | - | dBm | |
Transmission & dispersion penalty, each lane | TDP | - | - | 2.3 | dB | |
RIN12 OMA | - | - | - | -128 | dB/Hz | |
Transmitter Reflectance | - | - | - | -12 | dB | |
Extinction Ratio | ER | 3.5 | - | dB | ||
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3} | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | |||||
Average launch power of OFF transmitter, each lane | - | - | - | -30 | dBm | |
Optical return loss tolerance | - | - | - | 20 | dB |
Parameter | Symbol | Min | Typical | Max | Unit | |
Center Wavelength | Ch0 | λ0 | 1264.5 | 1271 | 1277.5 | nm |
Ch1 | λ1 | 1284.5 | 1291 | 1297.5 | nm | |
Ch2 | λ2 | 1304.5 | 1311 | 1317.5 | nm | |
Ch3 | λ3 | 1324.5 | 1331 | 1337.5 | nm | |
Bit Rate per Channel | B | 10.3125 | - | 10.7546 | Gb/s | |
Damage threshold, each lane | - | 3.4 | - | - | dBm | |
Average receive power, each lane | - | -13.5 | - | 2.0 | dbm | |
Unstressed Sensitivity (OMA) at 10 x 10-12BER | OMAin | - | - | -11.5 | dBm | |
Stressed Sensitivity (OMA) | OMAin,str | - | - | -9.9 | dBm | |
Receiver Reflectance | ORL | - | - | -26 | dB | |
Vertical eye closure penalty, each lane | VECP | - | - | 1.6 | dB | |
Receive electrical 3 dB upper cutoff frequency, per lane | - | - | - | 12.3 | GHZ | |
Stressed eye J2 Jitter, each lane | J2 | - | - | 0.42 | UI | |
Stressed eye J9 Jitter, each lane | J9 | - | - | 0.65 | UI | |
Eye mask coordinates #1 {X1, X2 Y1, Y2} Hit ratio = 5 x 10E-5 | { 0.29, 0.5 150, 425} |
Pin | Symbol | Name/Description |
1 | GND | Ground |
2 | Tx2n | Transmitter Inverted Data Input |
3 | Tx2p | Transmitter Non-Inverted Data Input |
4 | GND | Ground |
5 | Tx4n | Transmitter Inverted Data Input |
6 | Tx4p | Transmitter Non-Inverted Data Input |
7 | GND | Ground |
8 | ModSelL | Module Select |
9 | ResetL | Module Reset |
10 | Vcc Rx | +3.3 V Power supply receiver |
11 | SCL | 2-wire serial interface clock |
12 | SDA | 2-wire serial interface data |
13 | GND | Ground |
14 | Rx3p | Receiver Non-Inverted Data Output |
15 | Rx3n | Receiver Inverted Data Output |
16 | GND | Ground |
17 | Rx1p | Receiver Non-Inverted Data Output |
18 | Rx1n | Receiver Inverted Data Output |
19 | GND | Ground |
20 | GND | Ground |
21 | Rx2n | Receiver Inverted Data Output |
22 | Rx2p | Receiver Non-Inverted Data Output |
23 | GND | Ground |
24 | Rx4n | Receiver Inverted Data Output |
25 | Rx4p | Receiver Non-Inverted Data Output |
26 | GND | Ground |
27 | ModPrsL | Module Present |
28 | IntL | Interrupt |
29 | Vcc Tx | +3.3 V Power supply transmitter |
30 | Vcc1 | +3.3 V Power Supply |
31 | LPMode | Low Power Mode |
32 | GND | Ground |
33 | Tx3p | Transmitter Non-Inverted Data Input |
34 | Tx3n | Transmitter Inverted Data Input |
35 | GND | Ground |
36 | Tx1p | Transmitter Non-Inverted Data Input |
37 | Tx1n | Transmitter Inverted Data Input |
38 | GND | Ground |
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by T&S before they become applicable to any particular order or contract. In accordance with the T&S policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of T&S or others. Further details are available from any T&S sales representative.