HP J4131B  1 Port Networking Transceiver
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J4131B HP Ethernet Module 1000MBPS 1-Port Procurve Gigabit Refurbished

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Part Number#: J4131B
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Short Description:
J4131B HP Ethernet Module 1000MBPS 1-Port Procurve Gigabit Fibre Sx Transceiver | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Security Features and Data Protection

The J4131B is an HP Ethernet module that provides a single 1000Mbps Gigabit Fibre SX Transceiver port. This module is designed to be used with HP Procurve switches, and it provides a high-speed, low-latency connection for network devices.

When it comes to security features, this Part module supports several measures to ensure the safety of your data. For example, it includes support for 802.1X authentication, which allows you to control network access based on user identity. It also includes support for MAC address locking and filtering, which lets you limit access to the module to specific devices.

In addition, this model module supports advanced features like VLAN tagging and QoS (Quality of Service) prioritization, which can help you to better manage network traffic and prioritize critical applications.

When it comes to data protection, this model module includes support for SNMPv3 (Simple Network Management Protocol version 3), which provides secure access to network devices and enables encrypted data transfer. It also supports RADIUS (Remote Authentication Dial-In User Service) authentication, which enables secure user authentication and access control.

Troubleshooting Common Issues

The J4131B HP Ethernet Module is a Gigabit Ethernet module designed for HP Procurve switches. It supports 1000 Mbps data transfer rates and is equipped with a single Gigabit Fiber SX transceiver port for fiber optic connections. Here are some common issues you may encounter while troubleshooting this module:

  • No Link - If the module does not establish a link with the remote device, check the fiber optic cable connections, the transceiver's configuration, and the fiber optic cable itself. Verify that the remote device is functioning correctly and that the remote port is enabled.
  • Signal Quality Issues - Check the signal quality of the fiber optic cable. If the signal quality is poor, you may need to replace the cable or the transceiver.
  • Compatibility Issues - Verify that the transceiver is compatible with the remote device's transceiver. Use transceivers that are compatible with the manufacturer's recommended list of devices.
  • Incorrect Configuration - Check the module's configuration settings, including the VLAN, speed, and duplex settings. Ensure that the module's configuration matches the remote device's configuration.
  • Power Issues - Ensure that the module is receiving power correctly. Verify that the power supply is functioning correctly, and that the power cables are securely connected.
  • Port Errors - Check the switch's log files for any port error messages. If the switch detects port errors, such as a high number of CRC errors, this may indicate a faulty cable, damaged transceiver, or other physical problems.
Optimal Performance of Transceiver

The J4131B HP Ethernet Module is a networking module designed for use in HP ProCurve switches. It provides a single 1000 Mbps Gigabit Ethernet port that uses a fibre SX transceiver for optimal performance.

A transceiver is an electronic device that combines both transmitter and receiver functions in a single module. In the case of this part module, the transceiver is designed specifically for use with fibre optic cables, which are capable of transmitting data at very high speeds over long distances.

To ensure optimal performance of the transceiver, it is important to follow some best practices:

  • Use high-quality fibre optic cables: The quality of the cable used can have a significant impact on the performance of the transceiver. It is important to use high-quality, well-maintained fibre optic cables that are suitable for the intended application.
  • Keep the transceiver clean: Any dirt, dust, or other contaminants on the transceiver can affect its performance. To ensure optimal performance, the transceiver should be kept clean and free from any obstructions.
  • Monitor signal strength: Fibre optic cables can suffer from attenuation, which is the loss of signal strength over distance. To ensure optimal performance, it is important to monitor signal strength and use appropriate signal amplification or attenuation techniques as needed.
  • Use appropriate power levels: The transceiver should be operated at appropriate power levels to ensure optimal performance and avoid damage. Overdriving or underdriving the transceiver can both lead to degraded performance or even failure.

By following these best practices, users can ensure that this model HP Ethernet Module with its fibre SX transceiver provides optimal performance and reliable networking capabilities.

General Information
  • Manufacture : HP
  • Part Number or SKU# J4131B
  • Device Type : Transceiver
Technical Information
  • Compliant Standards : IEEE 802.3z
  • Features : Full Duplex Capability
  • Platform : Pc
  • Connectivity : Cable
  • Cabling Type : Ethernet 1000base-Sx
  • Data Transfer Rate : 1000 Mbps
  • Max Transfer Distance : 1800 Ft
  • Data Link Protocol : Gigabit Ethernet
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(b) any misuse outside the instructions in the user manual for any specific product;

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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