HPE 841717-B21 40Gb QSFP+ Bi-Directional Xcvr

Name: HPE 841717-B21 40Gb QSFP+ Bi-Directional Xcvr
Brand: HPE
SKU: 841717-B21
Price: 171.00 USD
Availability: InStock
Rating: 5 (11 reviews)

Mfr. Part #: 841717-B21

Brand: Hpe

Condition: Refurbished

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841717-B21

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overview

specifications

faqs

reviews

overview

841717-B21 Overview

HPE 841717-B21 Bi-directional Transceiver - Small Form-factor Pluggable Qsfp+ Transceiver Module - 40 Gigabit Ethernet :

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specifications

Specifications

Overview

Condition	Refurbished
Brand	HPE
Stock	In Stock

Key Features

Device Type	Qsfp+ Transceiver Module
Form Factor	Plug-in Module

Networking

Connectivity Technology	Wired
Cabling Type	40gbase-bidi
Data Link Protocol	40 Gigabit Ethernet
Max Transfer Distance	328 Ft

faqs

Frequently Asked Questions

What is the primary function of the HPE 841717-B21 QSFP+ transceiver? +

The HPE 841717-B21 is a high-performance QSFP+ BiDi (Bidirectional) transceiver designed for 40GbE connectivity. It utilizes wavelength division multiplexing to transmit and receive data simultaneously over a single duplex LC fiber connection. This module is ideal for high-density data center environments where optimizing existing fiber infrastructure is a priority for scaling network throughput.

Does the 841717-B21 support multimode fiber deployments? +

Yes, this transceiver is specifically engineered for use with OM3 or OM4 multimode fiber optic cabling. By leveraging BiDi technology, it allows network administrators to achieve 40Gbps speeds over traditional duplex LC multimode fiber, eliminating the need to install complex MPO/MTP cabling systems while still maintaining reliable, high-speed data transmission across your enterprise network.

What are the specific port requirements for installing the 841717-B21? +

This transceiver is designed to be inserted into a standard QSFP+ port on compatible HPE networking hardware. Once inserted, the module provides a dual LC connector interface. Ensure your host device port is configured for 40GbE operation and that you are using the correct multimode fiber patch cords to maintain signal integrity and meet link budget requirements.

Is the 841717-B21 compatible with all HPE server switches? +

Compatibility is generally focused on HPE networking equipment that supports the QSFP+ standard. To ensure seamless operation, verify your switch or server platform's QuickSpecs to confirm support for 40GBASE-SR-BiDi transceivers. Using officially compatible modules ensures that the switch firmware properly recognizes the transceiver's digital optical monitoring data and maintains optimal link performance.

How does BiDi technology impact network cabling complexity? +

Bidirectional technology significantly reduces cabling complexity by consolidating two transmit and two receive channels onto a single fiber pair. Unlike standard 40GBASE-SR4 modules that require 8-fiber MPO connectors, the 841717-B21 allows you to utilize existing duplex LC fiber runs, simplifying cable management and reducing the physical footprint in your high-density rack environments.

Does this transceiver support Digital Optical Monitoring (DOM)? +

Yes, the 841717-B21 includes integrated Digital Optical Monitoring features. This provides real-time access to critical parameters such as optical output power, input power, temperature, and transceiver supply voltage. These diagnostics are essential for proactive network maintenance, allowing administrators to troubleshoot link performance issues and identify potential hardware failures before they result in unexpected downtime.

What is the typical use case for the 841717-B21 in a data center? +

This module is most commonly deployed for switch-to-switch interconnects or high-speed uplinks where fiber plant capacity is limited. It is a preferred solution for data centers transitioning to 40GbE speeds who wish to avoid re-cabling their entire infrastructure with MPO-based fiber, offering a cost-effective path to increased bandwidth using established duplex fiber architectures.

How should I handle and maintain the 841717-B21 to ensure reliability? +

Reliability depends on maintaining clean optical interfaces. Always use protective dust caps when the module is not connected to fiber. During installation, ensure the LC connectors are cleaned with industry-standard fiber inspection and cleaning tools. Avoid exposing the module to excessive heat or static discharge, and ensure it is fully seated in the QSFP+ port to prevent connection drops.

Can I get a bulk discount on the HPE 841717-B21 if I am outfitting a new data center? +

Absolutely. BuyRouterSwitch.com specializes in supporting large-scale enterprise deployments. If you are planning a significant hardware rollout or need to acquire high quantities of the 841717-B21, please contact our sales team directly. We are experienced in providing competitive bulk pricing structures tailored to your specific project requirements and volume needs.

Why should I choose BuyRouterSwitch.com for my networking hardware needs? +

BuyRouterSwitch.com is a trusted source for authentic HPE networking components. We prioritize providing our customers with legitimate hardware that meets strict enterprise standards. By choosing to work with us, you benefit from our deep product knowledge and a streamlined procurement process that ensures you receive the exact hardware necessary for your network architecture without the complexity found at other retailers.

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