JH681A HPE X140 40G QSFP+ MPO MM 850nm CSR4 300m Campus-Transceiver network transceiver module Fiber optic 40000 Mbit/s QSFP+
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X140 40G QSFP+ MPO MM 850nm CSR4 300m Campus-Transceiver
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overview
specifications
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JH681A Overview
HPE JH681A X140 40g Qsfp+ Mpo Mm 850nm Csr4 300m Transceiver
X140 40G QSFP+ MPO MM 850nm CSR4 300m Campus-Transceiver
- QSFP+ Fiber optic 40000 Mbit/s
- Wavelength: 850 nm
- Hot-Plug support
Summary Description
HPE X140 40G QSFP+ MPO MM 850nm CSR4 300m Campus-Transceiver. SFP transceiver type: Fiber optic, Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP+. Certification: MSA. Number of products included: 1 pc(s)
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | HPE |
| Stock | In Stock |
Performance
| SFP transceiver type | Fiber optic |
|---|---|
| Maximum data transfer rate | 40000 Mbit/s |
| Interface type | QSFP+ |
| Multi-mode fiber (MMF) supported | Yes |
| Fiber optic connector | MPO |
| Maximum transfer distance | 300 m |
| Wavelength | 850 nm |
| Cabling technology | 40GBASE-CSR4 |
Features
| Hot-Plug support | Yes |
|---|---|
| Certification | MSA |
Packaging data
| Number of products included | 1 pc(s) |
|---|
Resources
Documents
Frequently Asked Questions
What is the effective transmission distance for the HPE JH681A X140 40G QSFP+ transceiver? +
The JH681A is designed for short-to-medium range connectivity, supporting link lengths up to 300 meters over OM3 multimode fiber. This makes it an ideal choice for high-speed interconnects within campus data centers, server rooms, or between adjacent networking cabinets where 40GbE performance is required.
Which interface type does the HPE JH681A module utilize? +
This transceiver features an MPO (Multi-fiber Push-On) interface. It is specifically engineered to handle 40GBASE-CSR4 signals, utilizing multi-lane connectivity to achieve high-bandwidth throughput over multimode cabling. Ensure your existing fiber infrastructure utilizes compatible MPO connectors to maintain signal integrity and performance standards.
Is the HPE JH681A transceiver compatible with my existing HPE networking equipment? +
The JH681A is a genuine HPE component designed to integrate seamlessly into HPE switches and routers that support the 40G QSFP+ standard. It is built to meet the specific electrical and optical specifications required by HPE hardware, ensuring reliable operation and consistent performance across your managed network environment.
What kind of cabling is required to support the 850nm wavelength of the JH681A? +
To achieve the specified 40G performance at an 850nm wavelength, you must use laser-optimized multimode fiber cabling. The module is calibrated for OM3 and OM4 fiber types. Using standard single-mode fiber or lower-grade multimode cabling will result in link instability or a failure to establish a connection.
How does the CSR4 specification differ from standard SR4 transceivers? +
The CSR4 (Campus Short Range) designation indicates that this module is optimized for the specific requirements of campus-level deployments. It provides the high-density 40GbE throughput needed for core-to-distribution layer connectivity while maintaining strict power efficiency and thermal performance typical of the HPE X140 product line.
Can the JH681A be used in high-density port configurations? +
Yes, the QSFP+ form factor is specifically chosen for high-density environments. Because the JH681A maintains a standard physical profile, it allows you to populate high-density switch line cards without airflow obstruction. This makes it a preferred choice for consolidating multiple 10G links into a single 40G uplink while keeping port utilization optimized.
Does the JH681A require specific firmware or software configuration on my switch? +
Generally, HPE switches automatically detect the JH681A when inserted into an active QSFP+ port. You may need to ensure your switch firmware is updated to the latest recommended version to guarantee full compatibility and reporting of Digital Optical Monitoring (DOM) data, which allows you to monitor real-time light levels and module temperature.
What are the common deployment scenarios for this 40G QSFP+ module? +
This transceiver is primarily deployed for data center backbones, high-speed campus server uplinks, and interconnecting high-performance switches across medium-distance runs. Its ability to provide 40Gbps speeds over 300 meters makes it perfect for bridging the gap between hardware clusters in larger office buildings or multi-floor data center environments.
How can I obtain a bulk quote for multiple JH681A units? +
For clients looking to purchase the JH681A in larger volumes, our sales team is ready to assist. You can easily request a formal quote through our website by utilizing our bulk inquiry tools. We provide tiered pricing structures for enterprise-level deployments, ensuring you get the most competitive rates for your infrastructure project.
Why should I source my HPE transceivers from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a premier provider of authentic enterprise-grade networking hardware. We focus on supply chain integrity, ensuring that every HPE module we deliver meets the exact engineering specifications required for mission-critical operations. By choosing us, you receive dedicated support from professionals who understand the complexities of networking hardware procurement and enterprise scale.
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