Cisco CFP-40G-SR4 40GBASE-SR4 CFP Module With MPO Connector
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CFP-40G-SR4
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overview
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CFP-40G-SR4 Overview
CISCO CFP-40G-SR4 Cfp Transceiver Module
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Key Features
| Device Type | Cfp Transceiver Module - Mpo Multi-mode |
|---|---|
| Form Factor | Plug-in Module |
| Cabling Type | 40gbase-sr4 |
| Data Transfer Rate | 40 Gbps |
| Optical Wavelength | 850 Nm |
| Data Link Protocol | 40 Gigabit Ethernet |
| Max Transfer Distance | 490 Ft |
| Designed For | P/n: Ws-x6904-40g-2t, Ws-x6904-40g-2t=, Ws-x6904-40g-2txl, Ws-x6904-40g-2txl= |
Frequently Asked Questions
What is the primary function of the Cisco CFP-40G-SR4 module in a high-speed network? +
The Cisco CFP-40G-SR4 is a high-density, hot-swappable transceiver module designed to provide 40G Ethernet connectivity over multi-mode fiber. It serves as a reliable interface for data center aggregation, core switching, and high-performance computing environments, allowing for efficient data transmission across short-range fiber runs.
What type of cabling is required for the Cisco CFP-40G-SR4 transceiver? +
This module utilizes MPO/MTP connectors and is designed specifically for OM3 or OM4 multi-mode fiber cabling. It leverages parallel optics technology, meaning you must ensure your cabling infrastructure supports the standard MPO interface to achieve the specified 40Gbps performance over short-reach distances.
What is the maximum reach for the Cisco CFP-40G-SR4 when using OM4 fiber? +
When paired with high-quality OM4 multi-mode fiber, the CFP-40G-SR4 can reliably transmit data up to 150 meters. If you are utilizing OM3 fiber, the effective reach is typically reduced to 100 meters. Always verify your cable grade to ensure optimal signal integrity and throughput in your environment.
Is the Cisco CFP-40G-SR4 compatible with standard 40GBASE-SR4 interfaces? +
Yes, this module adheres to the IEEE 802.3ba standard for 40GBASE-SR4, ensuring seamless interoperability with other industry-standard 40G network equipment. It provides a standardized solution for bridging high-density ports across your infrastructure, provided the connected device also supports the physical layer requirements of the CFP form factor.
Does the CFP-40G-SR4 module support Digital Optical Monitoring (DOM)? +
The module is designed to provide real-time monitoring capabilities, which allow network administrators to track vital operating parameters such as optical output power, input power, and transceiver temperature. This diagnostic data is essential for proactive maintenance and identifying potential link degradation before it results in network downtime.
What are the power requirements and thermal considerations for deploying CFP-40G-SR4 modules? +
The CFP form factor generally has a higher power consumption footprint than smaller modules like QSFP+. When deploying these in a chassis, ensure your switch or router is properly ventilated and configured to handle the thermal load generated by high-density CFP installations to maintain long-term reliability and hardware performance.
Can I use the CFP-40G-SR4 in a non-Cisco networking switch? +
While the CFP-40G-SR4 is designed by Cisco, interoperability with non-Cisco equipment depends on whether the third-party hardware supports the open CFP standard and does not enforce restrictive hardware coding. We recommend verifying the transceiver slot compatibility of your specific switch model to ensure the module is properly recognized by the operating system.
How should I handle and install the Cisco CFP-40G-SR4 to prevent damage? +
Handle the module by the edges and avoid touching the optical bore or connector pins. Always ensure the host port is clean and debris-free before insertion. Use an ESD-preventive wrist strap during installation to safeguard the sensitive electronic components within the transceiver from potential electrostatic discharge damage.
Does BuyRouterSwitch.com offer volume discounts for the Cisco CFP-40G-SR4? +
Absolutely. If you are planning a large-scale network upgrade or need to outfit an entire data center, contact our sales department directly to request a bulk quote. We specialize in providing competitive pricing packages for enterprise-level volume orders, ensuring you stay within your project budget while procuring authentic Cisco networking hardware.
Why should I choose BuyRouterSwitch.com for my Cisco module procurement? +
BuyRouterSwitch.com is a trusted source for professional networking hardware. We pride ourselves on offering a streamlined, secure ordering process that helps enterprise clients source hard-to-find and current networking gear efficiently. By partnering with us, you gain access to an extensive inventory of authentic Cisco products and a dedicated sales team ready to assist with your specific procurement needs.



























