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QSFP-40G-CSR4-C
- Description:
- 40GBASE-CSR4 QSFP+ MMF Module Cisco Compatible
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3 Year Extended Warranty
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QSFP-40G-CSR4-C Overview
QSFP-40G-CSR4-C is a QSFP transceiver that supports a 40G data rate and is engineered for high-performance Ethernet applications in data centers, enterprise networks, and telecom environments. It features a compact form factor with physical dimensions compliant with industry standards, making it an efficient solution for bandwidth-intensive network interconnects.
QSFP-40G-CSR4-C employs LC duplex connectors and offers short-range transmission capabilities optimized for Ethernet protocols. This transceiver is designed to meet demanding use cases, including data center interconnects and high-speed enterprise applications, while ensuring reliability and ease of integration within Cisco-based network infrastructures.
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QSFP-40G-CSR4-C Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | LC |
| Wavelength | N/A |
| Transmission Distance | Short-Range |
| Fiber Type | N/A |
| Max Distance | N/A |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | N/A |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco |
| Product Name | QSFP-40G-CSR4-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 | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | SC | LC | LC |
| Data Rate | 1G | 40G | 2G | 1G | 10G |
| Depth | N/A | N/A | N/A | 3.5 inches | 0.8 inches |
| Fiber Type | Single-mode | N/A | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP | QSFP | SFP | GBIC | SFP+ |
| Height | N/A | N/A | N/A | 1.2 inches | 1.5 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 80 km | N/A | 40.5 km | 10 km | 10 km |
| Network Interface | Fiber | Ethernet | Fiber | Fiber | 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 | N/A | N/A | N/A | 3.5W | 2.8 W |
| Product Name | DWDM-SFPGE-1539-77 | QSFP-40G-CSR4-C | ONS-SC-2G-40.5-C | NS-SYS-GBIC-MSX-C | 10GBASE-LR SFP+ Transceiver AA1419055-E6-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 | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Wavelength | 1539 nm | N/A | N/A | 1310nm | 1310 nm |
| Weight | N/A | N/A | N/A | 0.1 lbs | 0.12 lbs |
| Width | N/A | N/A | N/A | 1.0 inches | 0.8 inches |
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Questions & Answers
Q
What is the QSFP-40G-CSR4-C 40GBASE-CSR4 QSFP+ MMF Module?
A
The QSFP-40G-CSR4-C is a Cisco-compatible 40GBASE-CSR4 QSFP+ multimode fiber transceiver module designed for high-density data center and enterprise networks.
Q
Which fiber type does the QSFP-40G-CSR4-C support?
A
This module supports OM3 and OM4 multimode fiber (MMF) to deliver reliable 40 Gbps connectivity over short to mid-range distances.
Q
What is the maximum transmission distance of the QSFP-40G-CSR4-C?
A
On OM4 fiber, the QSFP-40G-CSR4-C can transmit up to 150 meters, and up to 100 meters on OM3 multimode fiber.
Q
Is the QSFP-40G-CSR4-C fully compatible with Cisco switches?
A
Yes. The QSFP-40G-CSR4-C is tested for full interoperability with Cisco Nexus, Catalyst, UCS, and other Cisco PoE switches.
Q
Which form factor does the QSFP-40G-CSR4-C use?
A
The module uses the QSFP+ (Quad Small Form-Factor Pluggable Plus) form factor to support 4×10 Gbps lanes aggregated into 40 Gbps.
Q
What data rate does the QSFP-40G-CSR4-C support?
A
It supports a data rate of 40 Gbps, providing four parallel 10 Gbps channels for high-throughput applications.
Q
What is the power consumption of the QSFP-40G-CSR4-C?
A
The QSFP-40G-CSR4-C typically consumes less than 3.5 watts, ensuring energy-efficient operation in high-density environments.
Q
Which network switches are compatible with the QSFP-40G-CSR4-C?
A
Compatible devices include Cisco Nexus 3000/9000 series, Cisco Catalyst 6500/6800 series, and other third-party QSFP+ enabled switches.
Q
How do I install the QSFP-40G-CSR4-C module?
A
Simply insert the module into a QSFP+ port until it clicks, attach the multimode fiber cables, and verify link status via your switch management interface.
Q
Is the QSFP-40G-CSR4-C MSA compliant?
A
Yes. This module is compliant with the QSFP+ Multi-Source Agreement (MSA) for guaranteed interoperability across certified devices.
Q
Can the QSFP-40G-CSR4-C module be used for data center interconnects?
A
Absolutely. Its 40 Gbps bandwidth and up to 150 m reach on OM4 fiber make it ideal for high-speed data center aggregation and spine-leaf architectures.
Q
What operating temperature range does the QSFP-40G-CSR4-C support?
A
The module operates reliably from 0°C to 70°C (32°F to 158°F), suitable for standard ambient data center conditions.
Q
How can I troubleshoot link issues with the QSFP-40G-CSR4-C?
A
Check fiber cleanliness, verify correct cable polarity, confirm switch port configuration, and review optical power levels via your switch diagnostics.
Q
Does the QSFP-40G-CSR4-C module come with a warranty?
A
Yes. It includes a standard one-year limited warranty covering manufacturing defects and guaranteed performance.
Q
What is the return policy for the QSFP-40G-CSR4-C?
A
You may return the module within 30 days of receipt for a full refund, subject to our standard restocking and inspection procedures.
Q
How do I verify genuine compatibility when ordering QSFP-40G-CSR4-C?
A
Order from authorized resellers, check Cisco-compatible part numbers, and validate with your switch’s ‘show interface transceiver’ command.
