QSFP 100G LR4
The module converts 4 input channels of 25Gb/s electrical data to 4 channels of LAN WDM optical signals and then multiplexes them into a single channel for 100Gb/s optical transmission.
- Product Introduction
QSFP 100G LR4 Transceiver Block Diagram

100G LR4 Optical Characteristics
|
QSFP 100G LR4 |
||||||
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|
Signaling Speed per Channel |
25.78125 |
Gbps |
||||
|
Lane Wavelength |
L0 |
1294.53 |
/ |
1296.59 |
nm |
|
|
L1 |
1299.02 |
/ |
1301.09 |
nm |
||
|
L2 |
1303.54 |
/ |
1305.63 |
nm |
||
|
L3 |
1308.09 |
/ |
1310.19 |
nm |
||
|
Transmitter |
||||||
|
Side Mode Suppression Ratio |
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 |
||
|
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} |
1 |
||||
|
Average Launch Power OFF Transmitter, each Lane |
Poff |
-30 |
dBm |
|||
|
Receiver |
||||||
|
Signaling Speed per Channel |
25.78125 |
Gbps |
||||
|
Lane Wavelength |
L0 |
1294.53 |
/ |
1296.59 |
nm |
|
|
L1 |
1299.02 |
/ |
1301.09 |
nm |
||
|
L2 |
1303.54 |
/ |
1305.63 |
nm |
||
|
L3 |
1308.09 |
/ |
1310.19 |
nm |
||
|
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 |
2 |
||
|
Stressed Receiver Sensitivity (OMA), each Lane |
-6.8 |
dBm |
||||
|
Difference in Receive Power between any Two Lanes (OMA) |
Prx,diff |
5.5 |
dB |
|||
|
LOS Assert |
LOSA |
-25 |
dBm |
|||
|
LOS De-assert |
LOSD |
-13 |
dBm |
|||
|
LOS Hysteresis |
LOSH |
0.5 |
6 |
dB |
QSFP 100G Transceiver Types
| Product Model | QSFP 100G Product Description |
| QSFP 100G SR4 | 100GBASE SR4 QSFP28, 850nm, 100m, MTP/MPO, DOM, optical transceiver |
| QSFP 100G CWDM4 | 100GBASE CWDM4 QSFP28 1271nm, 1291nm, 1311nm and 1331nm, 2km, LC, DOM Optical Transceiver |
| QSFP 100G PSM4 | 100GBASE PSM4 QSFP28 single mode, 1310nm, 2km, MTP/MPO, DOM optical transceiver |
| QSFP 100G LR4 | 100GBASE LR4 QSFP28 single mode, 1295.56nm,1300.05nm,1304.58nm,1309.14nm, 10km, LC, DOM optical transceiver |
| QSFP 100G ER4 | 100GBASE ER4 QSFP28 single mode, 1310nm, 40km, LC, DOM optical transceiver |
| QSFP 100G ZR4 | 100GBASE-ZR4 QSFP28 Single Mode 1310nm 80km DOM Duplex LC Optical Transceiver |
| QSFP 100G BIDI 10KM | 100GBASE BiDi QSFP28, 1331nm/1271nm, 10km, Single fiber LC, DOM optical transceiver |
| QSFP 100G BIDI 40KM | 100GBASE BiDi QSFP28 1304.58nm /1309.14nm 40km DOM Simplex LC Optical Transceiver |
| QSFP 100G BIDI 80KM | 100GBASE BiDi QSFP28 1271nm / 1331nm 80km DOM Simplex LC Optical Transceiver |
In today's data-driven world, reliable and high-speed connectivity forms the backbone of enterprise operations, data centers, and telecommunications networks. Our comprehensive range of optical transceivers delivers the performance, reliability, and scalability your network infrastructure demands.
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Uncompromising Performance
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Built to comply with IEEE and MSA standards, our transceivers integrate seamlessly with equipment from leading network vendors. This interoperability reduces deployment complexity and protects your infrastructure investment.
Applications Across Industries
Data Centers
Enable high-density, energy-efficient connectivity between servers, switches, and storage systems. Our transceivers support the massive bandwidth requirements of cloud computing, virtualization, and big data applications.
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Achieve ultra-low latency connections critical for high-frequency trading and real-time transaction processing. Every microsecond matters in competitive financial markets.
Technology Advantages
Our transceivers incorporate advanced wavelength division multiplexing, sophisticated digital diagnostics, and precision optical components. Digital Optical Monitoring (DOM) capabilities provide real-time visibility into transceiver performance, enabling proactive network management and faster troubleshooting.
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Each transceiver undergoes comprehensive testing protocols to ensure reliability in real-world conditions. Our quality assurance processes verify optical performance, thermal characteristics, and electromagnetic compatibility. This rigorous approach delivers products that perform consistently throughout their operational lifetime.
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Global Support, Local Expertise
With worldwide availability and responsive technical support, we're committed to your network success. Our engineering team provides pre-sales consultation, deployment assistance, and ongoing technical guidance to maximize your infrastructure investment.
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