United States
Name:
QSFP-40GE-LR4-S
- Description:
- 40GBASE-LR4 QSFP+ transceiver module for SMF, duplex LC connector, 10 km reach
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- Brand:
- Cisco
- Condition:
- GTIN:
- 686907899024
- Warranty:
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3 Year Extended Warranty
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QSFP-40GE-LR4-S Overview
QSFP-40GE-LR4-S is a high-performance QSFP transceiver designed to deliver 40G Ethernet connectivity over long-range networks. This transceiver employs LC connectors and single-mode fiber to achieve transmission distances up to 10 km, making it ideally suited for data center interconnects, enterprise networks, and telecom applications while supporting industry-standard Ethernet protocols.
The QSFP-40GE-LR4-S features a compact QSFP form factor with specifications that adhere to strict vendor standards. Its efficient power consumption, reliable operation over a wide temperature range, and compatibility with leading network equipment brands ensure that it meets the demands of high-speed, long-distance data communications in modern network infrastructures.
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QSFP-40GE-LR4-S Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | LC |
| Wavelength | 1271/1294/1318/1341 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 10 km |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 5.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista |
| Product Name | QSFP-40GE-LR4-S |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 40G | 40G | 40G | 40G |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Multi-mode | Single-mode |
| Form Factor | QSFP | QSFP | QSFP | QSFP | QSFP |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 100 m | 10 km | 150 meters | 10 km |
| Network Interface | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 5.5W | N/A | N/A | 3.8W | 5.0 W |
| Product Name | QSFP-40GE-LR4-S | QSFP-40G-CSR4= | QSFP-40G-LR4-S= | QSFP-40G-SR-BD= | QSFP-40G-LR4-S |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 1271/1294/1318/1341 nm | 850 nm | 1310 nm | 850nm | 1310 nm |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
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Questions & Answers
Q
What is the QSFP-40GE-LR4-S transceiver module?
A
The QSFP-40GE-LR4-S is a 40GBASE-LR4 QSFP+ transceiver for single-mode fiber (SMF) with duplex LC connectors and a reach of up to 10 km.
Q
Which fiber type does the QSFP-40GE-LR4-S support?
A
The module supports single-mode fiber (SMF) for long-reach, high-bandwidth 40 GbE links.
Q
What is the maximum transmission distance?
A
It delivers reliable 40 GbE connectivity up to 10 km over SMF using industry-standard optical components.
Q
What connector style does this transceiver use?
A
It uses a duplex LC connector for simple and secure fiber connections in high-density environments.
Q
What data rate does the QSFP-40GE-LR4-S support?
A
It supports up to 40 Gbps aggregate data rate, with 4×10 Gbps channels for LR4 optical transmission.
Q
Is the QSFP-40GE-LR4-S hot-pluggable?
A
Yes. The hot-pluggable design allows insertion and removal without powering down the host device.
Q
What optical wavelengths are used in LR4 modules?
A
It utilizes four LAN-WDM wavelengths around 1295 nm to 1310 nm for efficient 40 GbE transmission.
Q
Is it compliant with industry standards?
A
Yes. It meets the IEEE 802.3ba and MSA specifications for 40GBASE-LR4 QSFP+ modules.
Q
Does the module support digital diagnostics monitoring (DDM)?
A
Yes. It features DDM/DOM for real-time monitoring of optical power, temperature, and voltage.
Q
What is the power consumption of the QSFP-40GE-LR4-S?
A
Typical power consumption is below 3.5 W, helping maintain low energy usage in your data center.
Q
What are the operating temperature ranges?
A
The module operates between 0 °C and 70 °C ambient temperature for standard applications.
Q
Which switches and routers is it compatible with?
A
It is compatible with all QSFP+ ports on major brands including Cisco, Juniper, Arista, HP, Dell, and Huawei.
Q
What applications are ideal for the LR4 QSFP+ transceiver?
A
Ideal for 40 GbE data center interconnects, core-edge aggregation, and high-speed enterprise networks.
Q
How do I install the QSFP-40GE-LR4-S?
A
Simply slide the module into a compatible QSFP+ port until it clicks, then connect your LC fiber patch cables.
Q
How can I test the transceiver after installation?
A
Use fiber optical test equipment or built-in DDM to verify signal strength, wavelength, and link status.
Q
What is the warranty on the QSFP-40GE-LR4-S?
A
It includes a limited lifetime warranty covering defects in materials and workmanship under normal use.
Q
How should I store the QSFP+ transceiver when not in use?
A
Store it in the original antistatic packaging at –20 °C to 75 °C, with relative humidity between 5% and 95% non-condensing.
