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QSFP-40G-SR4-C
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- 40GBase-SR4 QSFP+ MMF Module Cisco Compatible
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QSFP-40G-SR4-C Overview
QSFP-40G-SR4-C is a QSFP transceiver module engineered for 40G Ethernet applications, offering high-speed data transmission over short-range distances. It utilizes multi-mode fiber with MPO connectors and operates at an 850nm wavelength, making it ideal for data centers, enterprise networks, and telecom environments.
Designed in a compact QSFP form factor with standard dimensions for pluggable optics, the QSFP-40G-SR4-C ensures reliable performance and interoperability with leading networking equipment. Its support for Ethernet protocols and optimized transmission characteristics make it a robust solution for high-density optical interconnects in modern infrastructures.
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QSFP-40G-SR4-C Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | MPO |
| Wavelength | 850nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 100m (OM3)/150m (OM4) |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 4.2W |
| 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-SR4-C |
| 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, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | MPO | LC | LC |
| Data Rate | OC-12 | 1G | 40G | 10G | 10G |
| Depth | 0.75 inches | 1.2 inches | N/A | 1.7 inches | N/A |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Single-mode |
| Form Factor | SFP | SFP | QSFP | SFP | SFP+ |
| Height | 0.30 inches | 0.3 inches | N/A | 0.5 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 120 km | 100m (OM3)/150m (OM4) | 10 km | 20 km |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1.5W | 2.8W | 4.2W | 3.5W | N/A |
| Product Name | SFP-OC12-SR= | DWDM-SFP-5413-120-C | QSFP-40G-SR4-C | 407-BBOP-D-C Optical Transceiver SFP Module | EX-SFP-10GE20K32-C |
| 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 | SONET, OC-12 | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Extended-Range | Short-Range | Short-Range | Long-Range |
| Wavelength | 1310 nm | 1550 nm | 850nm | 1310 nm | 1310 nm |
| Weight | 0.08 lbs | 0.07 lbs | N/A | 0.1 lbs | N/A |
| Width | 0.55 inches | 0.6 inches | N/A | 0.9 inches | N/A |
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Questions & Answers
Q
What is the QSFP-40G-SR4-C module?
A
The QSFP-40G-SR4-C is a 40GBase-SR4 QSFP+ multimode fiber transceiver module compatible with Cisco equipment, designed for high-density 40 Gbps data center links.
Q
Is the QSFP-40G-SR4-C compatible with Cisco switches and routers?
A
Yes. The QSFP-40G-SR4-C is fully compatible with Cisco QSFP+ ports and supports Cisco IOS and NX-OS platforms.
Q
What is the maximum transmission distance of the QSFP-40G-SR4-C?
A
It supports up to 100 meters over OM3 multimode fiber and up to 150 meters over OM4 multimode fiber at 40 Gbps.
Q
Which fiber cable type does the QSFP-40G-SR4-C support?
A
This module is optimized for OM3 and OM4 multimode fiber with an MPO/MTP 12-fiber connector interface.
Q
What data rate and wavelength does the QSFP-40G-SR4-C use?
A
It operates at 40 Gbps aggregate with four 10 Gbps lanes, using an 850 nm VCSEL laser wavelength.
Q
What connector type is required for the QSFP-40G-SR4-C?
A
The module uses a standard MPO/MTP 12-fiber female connector for multimode fiber connectivity.
Q
Does the QSFP-40G-SR4-C support breakout configurations?
A
Yes. It supports 4×10 Gbps breakout using a compatible MPO-to-LC fanout cable on most Cisco platforms.
Q
Is the QSFP-40G-SR4-C hot-swappable?
A
Yes. The QSFP-40G-SR4-C module is hot-pluggable, allowing insertion or removal without powering down the system.
Q
What is the power consumption of the QSFP-40G-SR4-C?
A
Typical power consumption is ≤1.5 W, ensuring low energy usage in high-density deployments.
Q
Which standards does the QSFP-40G-SR4-C comply with?
A
It meets IEEE 802.3ba 40GBase-SR4 and MSA QSFP+ specifications for interoperability.
Q
How do I install the QSFP-40G-SR4-C module?
A
Align the module with the port, slide it in until it latches, connect the MPO/MTP cable, and verify link status via your switch management interface.
Q
Can the QSFP-40G-SR4-C support 4×10 Gbps applications?
A
Yes. It can be configured for four 10 Gbps channels over an MPO-to-4LC fanout cable to support legacy 10 Gigabit Ethernet ports.
Q
What is the operating temperature range of the QSFP-40G-SR4-C?
A
The module operates reliably from 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
Q
What is the SKU or part number of this module?
A
The Cisco-compatible part number is QSFP-40G-SR4-C.
Q
Does the QSFP-40G-SR4-C come with a warranty?
A
Yes. It includes a one-year warranty covering manufacturing defects and performance compliance.
Q
What are the typical applications for the QSFP-40G-SR4-C?
A
Ideal for data center spine-leaf architectures, HPC clusters, SAN, and switch interconnects requiring 40 Gbps multimode links.
