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WSP-Q40GLR4L-C
40GBASE-LR4L QSFP+ SMF Module Cisco Compatible
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WSP-Q40GLR4L-C is a state-of-the-art QSFP+ transceiver module that supports a high data rate of 40G and features LC connectors, making it ideal for single-mode fiber applications. With a compact QSFP+ form factor that measures approximately 0.7 inches in height, 0.9 inches in width, and 1.2 inches in depth, this module meets the demands of modern network environments.
Engineered for long-range communications, WSP-Q40GLR4L-C supports Ethernet protocols, enabling seamless integration in data centers, enterprise networks, and telecom infrastructures. Its robust design and adherence to industry standards ensure reliable performance and a secure optical transmission solution for high-performance networking.
WSP-Q40GLR4L-C price is is available on request. Get immediate quote.
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| WSP-Q40GLR4L-C |  QSFP-40G-SR4-C |  QSFP-4X10G-LR-S-C |  QSFP-40G-ER4-C |  FET-40G-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | QSFP | QSFP | QSFP | QSFP+ |
| Data Rate | 40G | 40G | 40G (4x10G) | 40G | 40G |
| Connector Type | LC | MPO | LC | LC | LC |
| Wavelength | 1310nm | 850nm | 1310nm | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Extended-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 100m (OM3)/150m (OM4) | 10 km | 40 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel |
| Network Interface | Fiber | Ethernet | Optical Ethernet | Fiber | Fiber |
| Power Consumption | 6.5W | 4.2W | N/A | N/A | 3.8 W |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Arista | Cisco | Cisco, Juniper, Huawei, Arista |
| Product Name | WSP-Q40GLR4L-C 40G QSFP+ Long-Range Transceiver | QSFP-40G-SR4-C | QSFP-4X10G-LR-S-C | QSFP-40G-ER4-C | FET-40G-C |
| Height | 0.7 inches | N/A | N/A | N/A | 0.73 inches |
| Width | 0.9 inches | N/A | N/A | N/A | 2.85 inches |
| Depth | 1.2 inches | N/A | N/A | N/A | 1.48 inches |
| Weight | 0.12 lbs | N/A | N/A | N/A | 0.11 lbs |
Excellent 40G LR4 Lite performance. This WSP module is stable and robust on single-mode fiber. Seamless integration with our Cisco switches. Highly reliable hardware.
Reliable LR4 Lite signaling. This module is durable and provides consistent throughput. A high-performance solution for our enterprise fiber network. Very pleased with quality.
Exceptional signal integrity. This LR4L module integrated seamlessly into our existing setup. Rock-solid stability for our core transport layers. Great value for B2B.
Consistent and robust 40G transceiver. The signaling is clean and the throughput is 100% stable. Professional grade hardware you can trust for daily operations.
Perfect 40G connectivity on SMF. This module is essential for our regional connectivity, providing stable signals with no configuration hassle. Excellent performance overall.
The WSP-Q40GLR4L-C is a Cisco-compatible 40GBASE-LR4L QSFP+ transceiver module for single-mode fiber applications up to 10 km.
Yes, the WSP-Q40GLR4L-C is fully interoperable and guaranteed compatible with Cisco QSFP+ ports, ensuring plug-and-play installation.
This module supports single-mode fiber (SMF) with duplex LC connectors for high-speed, long-distance transmission.
The WSP-Q40GLR4L-C supports optical links up to 10 kilometers over single-mode fiber at 1310 nm.
It uses a standard duplex LC connector interface for reliable fiber coupling and minimal insertion loss.
The 40GBASE-LR4L operates at four CWDM wavelengths centered around 1310 nm for 10 km reach.
Yes, it offers industry-standard DDM (also known as DOM) for real-time monitoring of optical power, temperature, and voltage.
Yes, the module is hot-pluggable, allowing on-the-fly installation or removal without powering down the host device.
The WSP-Q40GLR4L-C operates reliably between 0 °C and 70 °C (32 °F to 158 °F).
The module consumes less than 3.5 Watts, meeting QSFP+ power-efficiency requirements.
Transmit optical power ranges from 0 dBm to +5 dBm, ensuring adequate margin for 10 km links.
Receiver sensitivity is –12 dBm maximum, supporting error-free 40 Gb/s reception over 10 km SMF.
It complies with IEEE 802.3ba (40GBASE-LR4L), CWDM MSA, and RoHS directives for safety and environmental standards.
Align the QSFP+ module with the host port, insert until it latches, and verify link status via your switch’s LEDs or CLI.
The module is CE, FCC, and RoHS compliant and undergoes rigorous quality testing to meet industry safety and interoperability standards.