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QSFP-40GE-LR4-C
- Description:
- 40GBASE-LR4 QSFP+ SMF Module Cisco Compatible
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QSFP-40GE-LR4-C Overview
QSFP-40GE-LR4-C is a QSFP transceiver module that supports a 40G data rate with LC connectors and is engineered for long-range performance. It is optimized for Ethernet applications in data centers, enterprise networks, and telecom infrastructures, offering a reliable solution for high-speed optical communications.
This compact module features a standardized QSFP form factor and physical dimensions that enable easy integration into modern networking equipment. Designed specifically for single-mode fiber transmission, QSFP-40GE-LR4-C meets stringent industry requirements for long-haul applications while supporting Ethernet protocols efficiently.
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QSFP-40GE-LR4-C 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 | 3.0 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-40GE-LR4-C |
| Height | 0.2 inches |
| Width | 0.55 inches |
| Depth | 0.375 inches |
| Weight | 0.15 lbs |
Quality Certifications
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Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC Duplex | LC | LC | LC | LC |
| Data Rate | 10G | 10G | 40G | 10G | 10G |
| Depth | 2.40 inches | 1.20 inches | 0.375 inches | 1.56 inches | 1.4 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Multi-mode |
| Form Factor | SFP+ | XFP | QSFP | SFP+ | SFP+ |
| Height | 0.66 inches | 0.50 inches | 0.2 inches | 0.27 inches | 0.44 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 80 km | 10 km | 300 meters | 300 meters |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0°C to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | 6.8 W | 3.0 W | 3.5W | 3.5W |
| Product Name | SFPP-10G-CWDM1511 | DWDM-XFP-5817-C | QSFP-40GE-LR4-C | AA1403013-5012-E6-C | AA1403016-3346-E6-C 10G SFP+ Optical Transceiver |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40°C to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | 10G Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Short-Range | Short-Range |
| Wavelength | 1511 nm | 1550 nm | 1310 nm | 850nm | 850 nm |
| Weight | 0.15 lbs | 0.15 lbs | 0.15 lbs | 0.15 lbs | 0.08 lbs |
| Width | 1.18 inches | 0.95 inches | 0.55 inches | 1.0 inches | 0.87 inches |
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Questions & Answers
Q
What is the QSFP-40GE-LR4-C transceiver module?
A
The QSFP-40GE-LR4-C is a 40GBASE-LR4 QSFP+ single-mode fiber (SMF) transceiver compatible with Cisco platforms, designed for 40 Gbps data links up to 10 km.
Q
What data rate does the QSFP-40GE-LR4-C support?
A
The QSFP-40GE-LR4-C supports a line rate of 40 Gbps aggregated over four 10 Gbps wavelengths.
Q
What is the maximum transmission distance?
A
This module reliably transmits 40 Gbps up to 10 km over single-mode fiber.
Q
Which wavelength does the QSFP-40GE-LR4-C use?
A
It employs four LAN-WDM wavelengths at 1295 nm, 1300 nm, 1305 nm, and 1310 nm.
Q
Is the QSFP-40GE-LR4-C compatible with Cisco switches?
A
Yes. It is fully compatible with Cisco QSFP+ ports and passes Cisco’s diagnostic and interoperability tests.
Q
What type of fiber and connector are required?
A
It uses single-mode fiber with an MPO/MTP 12-fiber connector terminated to four LC duplex cables.
Q
Does the module support digital diagnostics (DDM/DOM)?
A
Yes. It provides real-time monitoring of temperature, supply voltage, optical output power, and optical input power via the I2C interface.
Q
What is the operating temperature range?
A
The QSFP-40GE-LR4-C operates between 0 °C and 70 °C (32 °F to 158 °F).
Q
How much power does the QSFP-40GE-LR4-C consume?
A
Its maximum power consumption is 3.5 W, ensuring efficient energy use in high-density deployments.
Q
Is the QSFP-40GE-LR4-C hot-swappable?
A
Yes. It supports hot-plug capability, allowing insertion or removal without powering down the host device.
Q
Which industry standards does this module comply with?
A
It meets IEEE 802.3ba 40GBASE-LR4, RoHS, and MSA QSFP+ specifications.
Q
How do I install the QSFP-40GE-LR4-C module?
A
Align the module with the QSFP+ port, push until it clicks, then connect the LC fiber cables to the designated ports.
Q
Is the QSFP-40GE-LR4-C RoHS compliant?
A
Yes. It is fully RoHS compliant, ensuring restriction of hazardous substances in electronics.
Q
What is the typical optical link budget?
A
The module offers a link budget of approximately 12 dB, depending on system margin and connector losses.
Q
Can the QSFP-40GE-LR4-C be used in CWDM systems?
A
No. It uses LAN-WDM wavelengths and is not designed for standard CWDM channel spacing.
Q
What environments are suitable for the QSFP-40GE-LR4-C?
A
It is ideal for data centers, enterprise campus backbones, and high-speed aggregation networks.
