Dell T21KK 16GB SFP+ Optical Transceiver

Name: Dell T21KK 16GB SFP+ Optical Transceiver
Brand: Dell
SKU: T21KK
Price: 30.80 USD
Availability: InStock
Rating: 5 (8 reviews)

Mfr. Part #: T21KK

Brand: Dell

Condition: Refurbished

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Warranty: 90-day return/replacement

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T21KK

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overview

T21KK Overview

DELL T21KK 16gb Sfp+ Optical Transceiver.

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faqs

Frequently Asked Questions

What is the primary function of the Dell T21KK SFP+ transceiver? +

The Dell T21KK is a high-performance SFP+ optical transceiver module designed to provide reliable 10Gbps connectivity. It is primarily used to bridge the gap between network switches, servers, and storage arrays, ensuring high-speed data transmission over fiber optic cabling within your data center infrastructure.

Is the T21KK module compatible with non-Dell networking hardware? +

While the T21KK is engineered specifically for optimal performance and seamless integration with Dell PowerSwitch and server platforms, SFP+ standards allow for interoperability across various vendors. However, for maximum stability and to ensure the hardware is correctly recognized by your switch diagnostics, using Dell-native modules within Dell-branded equipment is highly recommended.

What cabling infrastructure does the T21KK transceiver support? +

The T21KK module is designed to interface with standard fiber optic cabling. By utilizing an SFP+ form factor, it connects via LC duplex connectors. Ensure your site infrastructure uses the appropriate multi-mode or single-mode fiber patch cables to match the specific transmission distance requirements of your network environment.

Can I use the Dell T21KK in a 1Gbps network port? +

The T21KK is specifically designed for 10GbE networking environments. Most SFP+ ports are optimized for 10Gbps speeds and do not support backward compatibility with 1Gbps SFP modules. Before deployment, confirm that your switch port is configured for 10G operation to avoid link synchronization issues or physical layer errors.

How do I monitor the performance of the T21KK once installed? +

You can monitor the module through the command-line interface of your host Dell switch. The transceiver supports Digital Optical Monitoring (DOM), which allows administrators to track real-time operational metrics such as optical output power, input power, temperature, and transceiver supply voltage to ensure consistent link health.

What is the maximum data rate supported by the T21KK? +

This transceiver is rated for a throughput of 10 Gigabits per second. It provides full-duplex communication, making it an ideal solution for bandwidth-intensive applications like virtualization, high-speed storage area networks (SANs), and inter-switch uplinks where low latency and high consistency are critical for network performance.

Are there specific power requirements for using the T21KK? +

The T21KK module is designed to draw its power directly from the SFP+ host port of the switch or server. It adheres to standard power consumption profiles for 10GBASE optics, ensuring it does not exceed the thermal or power budget of your existing networking equipment chassis.

Is the T21KK suitable for high-density rack deployments? +

Yes, the compact form factor of the T21KK allows it to fit perfectly into high-density SFP+ cages. Because it is highly efficient and operates within standard thermal parameters, it is a reliable choice for enterprise racks where port count density is high and cooling optimization is a primary operational concern.

Does BuyRouterSwitch.com offer bulk pricing for T21KK orders? +

We specialize in supporting enterprise-scale infrastructure projects. If you are planning a large-scale deployment that requires a high volume of T21KK modules, please reach out to our sales department. We provide competitive quotes for bulk purchases to ensure your project stays within budget while meeting your hardware deployment timelines.

How can I be sure the T21KK from BuyRouterSwitch.com is authentic? +

At BuyRouterSwitch.com, we prioritize the integrity of the supply chain. We only source verified, original networking hardware, ensuring that every T21KK module you receive meets Dell's rigorous quality standards. Our procurement processes are designed to provide enterprise buyers with the confidence that their critical network components are genuine and reliable for production use.

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