Cisco CPAK-100G-CWDM4 CPAK 100 Gigabit Ethernet Transceiver Module
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CPAK-100G-CWDM4
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CPAK-100G-CWDM4 Overview
CISCO CPAK-100G-CWDM4 Cpak Transceiver Module - 100 Gigabit Ethernet - 100gbase-cwdm4 - Lc Single-mode - Up To 1.2 Miles - 1271 Nm / 1291 Nm / 1311 Nm / 1331 Nm. Key Information :
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Key Information
| Product Description | CISCO - Cpak Transceiver Module - 100 Gigabit Ethernet |
|---|---|
| Device Type | Cpak Transceiver Module - Lc Single-mode |
| Form Factor | Plug-in Module |
| Cabling Type | 100gbase-cwdm4 |
| Data Transfer Rate | 100 Gbps |
| Optical Wave Length | 1271 Nm / 1291 Nm / 1311 Nm / 1331 Nm |
| Data Link Protocol | 100 Gigabit Ethernet |
| Max Transfer Distance | 1.2 Miles |
| Designed For | P/n: A99-8x100ge-fc=, A9k-4x100ge-fc=, A9k-8x100ge-fc=, A9k-9922-upgrade, A9k-mod200-fc=, A9k-mod400-fc=, Asr-9006-mig-kit, Asr-9904-mig-kit, Asr-9906-mig-kit, Asr-9910-mig-kit, Asr-9912-ls-bun, Asr-9912-mig-kit, Asr-9922-ls-bun, Asr-9922-mig-kit, U-asr9006dcse-bun, U-asr9010acse-bun. |
Frequently Asked Questions
What is the primary use case for the Cisco CPAK-100G-CWDM4 transceiver? +
The Cisco CPAK-100G-CWDM4 is specifically engineered for high-density 100G Ethernet applications. It is ideal for data center interconnects and enterprise core networking, providing reliable, high-bandwidth connectivity over single-mode fiber infrastructure up to 2 kilometers, making it a perfect choice for campus backbones requiring robust short-to-medium reach performance.
Does the CPAK-100G-CWDM4 support interoperability with other 100G interface types? +
This module adheres to the CWDM4 MSA (Multi-Source Agreement) standards, ensuring interoperability with other 100G interfaces that follow the same CWDM4 specifications. It is designed to integrate seamlessly within existing Cisco switching and routing platforms that feature a CPAK port, provided the optical parameters and link budgets are aligned with the standardized requirements for 100G CWDM4 transmission.
What type of optical fiber cabling is required for this transceiver? +
The CPAK-100G-CWDM4 transceiver is designed for use with single-mode fiber (SMF) cabling. It utilizes an LC duplex connector interface, which simplifies the physical installation process. Users must ensure that the patch cables are standard G.652 single-mode fiber to maintain signal integrity and meet the specified reach requirements of up to 2 kilometers.
How does the power consumption of the CPAK-100G-CWDM4 impact switch thermal management? +
Cisco CPAK modules are renowned for their power efficiency compared to earlier 100G form factors. By utilizing advanced photonic integration, this module helps minimize the thermal load on the host switch or router chassis. This efficiency allows for higher port density in your rack without exceeding the power budget or cooling capacity of standard enterprise networking equipment.
Can I use the CPAK-100G-CWDM4 in older chassis that were not originally designed for 100G? +
Compatibility is strictly tied to the presence of a Cisco CPAK-compliant port on your hardware. While the module is compact and highly efficient, it cannot be adapted to SFP+ or QSFP ports. Always consult the Cisco hardware compatibility matrix for your specific switch or router model to confirm that the CPAK port supports the 100G-CWDM4 transceiver standard.
What is the physical connector type on the Cisco CPAK-100G-CWDM4? +
This transceiver features a standard LC duplex connector interface. This is a significant advantage for data center managers as it utilizes the same connector type found on most high-speed fiber patch cables, allowing for easier integration into existing structured cabling systems and reducing the need for complex adapter cables or specialized fiber infrastructure during deployment.
How does the CWDM4 technology differ from standard 100G-LR4 modules? +
CWDM4 technology optimizes costs for short-reach applications by using four wavelengths in the 1310nm range rather than the more expensive four-lane multiplexing required for longer-reach LR4 modules. This makes the CPAK-100G-CWDM4 a more economical solution for 2km links, without compromising on the high-speed throughput and reliability expected in enterprise 100G networking environments.
Is the CPAK-100G-CWDM4 hot-swappable in a live network environment? +
Yes, this transceiver is fully hot-swappable, allowing for maintenance or upgrades without the need to power down the host device. This feature is critical for maintaining uptime in enterprise environments. Simply slide the module into the CPAK port, and the system will recognize it automatically, provided the host software supports the transceiver type and current firmware levels.
How can I obtain a bulk quote for multiple Cisco CPAK-100G-CWDM4 units? +
At BuyRouterSwitch.com, we specialize in supporting enterprise-scale infrastructure projects. If you are looking to purchase high volumes of CPAK-100G-CWDM4 modules, please contact our dedicated sales team through our website request form. We provide competitive bulk pricing and can assist with project-specific procurement needs to ensure your network expansion stays within budget while meeting all performance requirements.
Why should I choose BuyRouterSwitch.com for my Cisco transceiver needs? +
BuyRouterSwitch.com is a trusted source for authentic enterprise networking hardware. We pride ourselves on offering a streamlined procurement experience and expert product guidance for procurement professionals. When you source your modules through us, you are choosing a partner dedicated to accurate order fulfillment, efficient communication, and providing the exact Cisco hardware specifications your enterprise network architecture demands.












































