Name:
QSFP-40G-LR4-S
- Description:
- QSFP 40GBASE-LR4 Trnscvr Mod. LC. 10km. Enterprise-Class
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QSFP-40G-LR4-S
QSFP 40GBASE-LR4 Trnscvr Mod. LC. 10km. Enterprise...
$713.00
31 in Global Warehouse
$713.00
94% off
TRUSTED, TRIED, PROVEN
QSFP-40G-LR4-S Overview
QSFP-40G-LR4-S is a QSFP optical transceiver module engineered for 40G Ethernet applications. It employs LC connectors and leverages four separate optical channels optimized for single-mode fiber, making it ideally suited for long-range transmission environments.
QSFP-40G-LR4-S supports a 40G data rate and is designed in a QSFP form factor with standardized physical dimensions for data centers, enterprise networks, and telecom deployments. It meets stringent protocol requirements for Ethernet while offering reliable performance over extended distances.
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QSFP-40G-LR4-S Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | LC |
| Wavelength | 1310 nm |
| Transmission Distance | Long-Range |
| Fiber Type | Single-mode |
| Max Distance | 10 km |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 5.0 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-40G-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 | N/A | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 10G | 40G | 40G | 40G |
| Depth | N/A | N/A | 7.5 inches | 2.85 inches | N/A |
| Fiber Type | Multi-mode | N/A | Single-mode | Multi-mode | Single-mode |
| Form Factor | QSFP | CFP | CFP | QSFP | QSFP |
| Height | N/A | N/A | 1.2 inches | 0.33 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 150 meters | N/A | 10 km | 100 meters | 10 km |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | 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 | 3.8W | N/A | 6.0W | 3.5W | 5.0 W |
| Product Name | QSFP-40G-SR-BD= | CVR-CFP-4SFP10G= | CFP-40G-FR= | QSFP-40G-CSR-S= | 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, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 850nm | N/A | 1310nm | 850nm | 1310 nm |
| Weight | N/A | N/A | 1.5 lbs | 0.1 lbs | N/A |
| Width | N/A | N/A | 4.4 inches | 0.64 inches | N/A |
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Questions & Answers
Q
What is the QSFP-40G-LR4-S transceiver module?
A
The QSFP-40G-LR4-S is an enterprise-class QSFP 40GBASE-LR4 optical transceiver module supporting 40 Gbps links over single-mode fiber up to 10 km with an LC duplex interface.
Q
What is the maximum transmission distance of the QSFP-40G-LR4-S?
A
This module supports a maximum single-mode fiber link length of 10 kilometers at 40 Gbps when used with compliant LC-terminated fiber.
Q
Which fiber connector does the QSFP-40G-LR4-S use?
A
It uses a standard dual LC connector interface, ensuring broad compatibility with existing single-mode fiber infrastructure.
Q
Which IEEE standards does the QSFP-40G-LR4-S support?
A
The QSFP-40G-LR4-S complies with IEEE 802.3ba 40GBASE-LR4 and MSA specifications for the QSFP form factor.
Q
What wavelength does the QSFP-40G-LR4-S operate on?
A
It employs four LAN-WDM channels centered at 1295 nm, 1300 nm, 1305 nm, and 1310 nm for 40 Gbps aggregate throughput.
Q
What type of fiber is required for the QSFP-40G-LR4-S?
A
Single-mode fiber (SMF) with a core diameter of 9 µm and an LC duplex terminations is required to achieve the specified 10 km range.
Q
What is the power consumption of the QSFP-40G-LR4-S?
A
Typical power consumption is ≤3.5 Watts, classifying it as an energy-efficient, enterprise-grade QSFP transceiver.
Q
Does the QSFP-40G-LR4-S support Digital Diagnostic Monitoring (DDM)?
A
Yes. It features a built-in DDM interface (per SFF-8436) providing real-time monitoring of optical power, temperature, voltage, and more.
Q
Is the QSFP-40G-LR4-S hot-swappable?
A
Yes. The module supports hot-plug functionality, allowing insertion or removal without powering down the host system.
Q
What operating temperature range does the QSFP-40G-LR4-S support?
A
It operates reliably between 0 °C and 70 °C ambient temperatures, suitable for most enterprise data-center environments.
Q
Which applications are ideal for the QSFP-40G-LR4-S?
A
Ideal applications include 40 GbE aggregation, core switching, data-center interconnects, and high-performance computing networks.
Q
How do I install the QSFP-40G-LR4-S in my switch or router?
A
Power down the port (if required), insert the QSFP module into the QSFP+ cage until it clicks, then connect LC fiber cables to the transmit and receive ports.
Q
Can the QSFP-40G-LR4-S interoperate with other vendors’ equipment?
A
Yes. It meets industry QSFP MSA and IEEE standards, ensuring interoperability with compliant switches, routers, and optical gear.
Q
What diagnostic features are available via the QSFP-40G-LR4-S DDM?
A
Diagnostics include real-time Tx/Rx optical power, laser bias current, supply voltage, module temperature, and transceiver Rx sensitivity.
Q
What is the difference between QSFP-40G-LR4-S and the standard LR4 module?
A
The QSFP-40G-LR4-S is an enterprise-class revision offering tighter component tolerances, extended DDM accuracy, and enhanced MTTF over standard LR4 modules.
Q
Does the QSFP-40G-LR4-S come with a warranty?
A
Yes. The module is backed by a one-year limited warranty covering manufacturing defects and performance compliance.