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HPE P79829-B21 InfiniBand XDR/Ethernet 400GbE QSFP112 1-port Single-mode 500m Transceiver

Mfr. Part #: P79829-B21
Brand: Hpe
Condition: New
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  • Authenticity: Original Genuine OEM

P79829-B21

HPE P79829-B21 InfiniBand XDR/Ethernet 400GbE QSFP112 1-port Single-mode 500m Transceiver

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P79829-B21 Overview

HPE P79829-B21 Infiniband Xdr/ethernet 400gbe Qsfp112 1-port Single-mode 500m Transceiver

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faqs

Frequently Asked Questions

What is the primary function of the HPE P79829-B21 transceiver module? +
The HPE P79829-B21 is a high-performance QSFP transceiver designed to facilitate high-speed data transmission across your enterprise network. It serves as a critical interface for connecting switches, routers, and servers, ensuring reliable signal integrity for bandwidth-intensive applications. By utilizing the QSFP form factor, this module enables dense port configurations, making it an ideal choice for modern data center backbones that require scalable and efficient fiber optic connectivity.
Which specific network switch series are compatible with the P79829-B21? +
This module is engineered to integrate seamlessly with HPE and Aruba networking hardware that supports the QSFP standard. To ensure optimal performance and avoid link errors, it is best practice to verify compatibility against your specific switch model’s documentation or the HPE compatibility matrix. Using genuine HPE-certified transceivers ensures that the hardware performs within the manufacturer’s specified parameters for latency and signal attenuation.
Can I use the P79829-B21 for long-range data center interlinks? +
The operational range of the P79829-B21 depends on the cabling infrastructure and the specific optical specifications it supports. It is designed for high-throughput environments where low latency is critical. Before deployment, confirm your cabling type—such as single-mode or multi-mode fiber—matches the transceiver's capabilities to ensure the signal remains stable over your desired distance without exceeding the effective optical budget for your network link.
Does the P79829-B21 support hot-swapping during active operation? +
Yes, this QSFP module is designed for hot-swappable installation, allowing you to add or replace units without powering down your networking switch. This capability is essential for minimizing downtime in enterprise environments. When inserting the module, ensure the port is clear of debris and that you use proper electrostatic discharge precautions to maintain the integrity of the transceiver's delicate internal components and the switch's high-speed interfaces.
How does this transceiver impact total power consumption in a high-density rack? +
HPE designs these QSFP modules with power efficiency in mind, helping to maintain a lower thermal footprint within high-density switch configurations. By optimizing the electrical-to-optical conversion process, the P79829-B21 assists in reducing overall facility cooling requirements. When deploying these across a full chassis, managing the total power draw per port is simplified, contributing to a more sustainable and cost-effective operation of your networking infrastructure.
What is the best way to clean and maintain P79829-B21 optical interfaces? +
Maintenance is vital for sustained network performance. Always use industry-standard fiber optic cleaning tools, such as click-style cleaners or lint-free wipes with isopropyl alcohol, to keep the transceiver's optical bore free of dust and contaminants. Never touch the exposed fiber surface, as oils from skin can cause signal degradation. Regular inspection using a fiber microscope ensures that your connections remain clean, preventing unnecessary packet loss or intermittent link flapping.
Are there specific configuration steps required in the switch OS for this module? +
Once the P79829-B21 is physically seated in the QSFP port, most modern enterprise switches will automatically detect and initialize the transceiver. In some configurations, you may need to enter the switch management interface to verify the port status or manually adjust the speed and duplex settings if the link does not come up immediately. Monitoring the interface logs will help confirm that the module is operating within the expected optical power range.
What should I look for to identify if my transceiver is experiencing signal degradation? +
Symptoms of signal degradation include increased cyclic redundancy check (CRC) errors, intermittent link drops, or reduced throughput on the affected interface. You can diagnose these issues by checking the Digital Diagnostic Monitoring (DDM) data through your switch’s Command Line Interface. If the optical receive or transmit power levels fall outside of the transceiver’s specified thresholds, it usually indicates either a faulty patch cable or a dirty optical interface that requires cleaning.
How can I obtain a bulk quote for multiple P79829-B21 units? +
For organizations requiring high-volume deployments, BuyRouterSwitch.com offers streamlined procurement processes. You can easily request a competitive bulk quote by navigating to our dedicated sales inquiry page or by contacting our sales team directly. We specialize in supporting large infrastructure projects and can provide tailored pricing based on the quantity required, ensuring you receive the best value for your enterprise networking hardware needs.
Why should I choose BuyRouterSwitch.com for my HPE transceiver needs? +
BuyRouterSwitch.com is a trusted provider of authentic enterprise networking equipment, dedicated to helping IT departments build resilient and scalable networks. We prioritize supplying genuine components that meet strict manufacturer standards, helping you avoid the risks associated with counterfeit hardware. By choosing us, you gain access to a reliable supply chain and dedicated support for your procurement process, ensuring your hardware arrives promptly and ready for immediate deployment.
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