Optical fiber technology is a type of communication technology that uses thin strands of glass or plastic to transmit digital information over long distances. The technology relies on the principle of total internal reflection, which occurs when light enters a material with a higher refractive index and is reflected back into the same material instead of being refracted outwards.
The core of an optical fiber is made of a very thin strand of glass or plastic, which is surrounded by a layer of cladding material. The cladding has a lower refractive index than the core, which helps to keep the light inside the core by reflecting it back into the core through total internal reflection.
Optical fibers can transmit large amounts of data over long distances with very little signal loss, making them ideal for high-speed communications over long distances. They are used in a variety of applications, including telecommunications, internet backbone networks, cable TV, and medical equipment.
There are two main types of optical fibers: single-mode and multi-mode. Single-mode fibers are used for long-distance communications and have a very small core diameter, which allows for a single mode of light to propagate through the core. Multi-mode fibers are used for shorter distances and have a larger core diameter, which allows multiple modes of light to propagate through the core.
Troubleshooting common issuesTroubleshooting common issues refers to the process of identifying and resolving common problems that may occur with a particular hardware or software product. These issues can be caused by a variety of factors, including hardware failure, software bugs, configuration problems, and user error.
Here are some common issues that users may encounter with the HPE Flexfabric 20GB 2Port 650M Adapter, along with possible troubleshooting steps:
Connection problems: The adapter may fail to establish a connection with the network. This can be caused by a faulty cable, incorrect configuration, or hardware failure.
- Check the cable and ensure that it is securely connected to the adapter and the network device.
- Verify that the adapter is properly configured with the correct IP address, subnet mask, and gateway.
- Check the adapter's LED status indicators for any errors or malfunctions.
Slow network speeds: The adapter may experience slow network speeds, which can be caused by bandwidth limitations, network congestion, or outdated drivers.
- Check the network bandwidth and ensure that it is not being overloaded by other devices or applications.
- Update the adapter's drivers to the latest version to ensure optimal performance.
- Check the adapter's configuration settings for any bandwidth or traffic control settings that may be affecting performance.
Driver issues: The adapter's driver may fail to install or may become corrupted, preventing the adapter from functioning properly.
- Reinstall the adapter's driver to ensure that it is installed correctly.
- Verify that the driver is compatible with the operating system and hardware configuration.
- Check for any known issues or bugs with the driver and update it to the latest version if available.
System requirements refer to the minimum hardware and software specifications that are needed to install, run, and use a particular software or hardware product. These requirements are typically provided by the manufacturer or vendor of the product and are designed to ensure optimal performance and functionality of the product.
The system requirements vary depending on the product and can include factors such as the type and version of the operating system, processor type and speed, amount of RAM, hard drive space, graphics card, and other hardware components.
For example, the system requirements for the HPE Flexfabric 20GB 2Port 650M Adapter may include a minimum PCIe v3.0 x8 slot, compatible operating systems (such as Windows Server 2012, Red Hat Enterprise Linux 7, etc.), and specific driver versions.
It is important to ensure that the system requirements are met before installing the product to avoid any compatibility issues or performance problems. In some cases, not meeting the system requirements may result in the product not functioning at all. Therefore, it is recommended to carefully review and verify the system requirements before purchasing and installing a product.
GENERAL INFORMATION
- Device Type : Network Adapter
- Interface (Bus) Type : Pci Express 3.0 X8
- Pci Specification Revision : Pcie 3.0
NETWORKING
- Ports : 20 Gigabit Ethernet X 2
- Connectivity Technology : Wired
- Data Link Protocol : Fcoe, 20 Gigabit Lan
- Data Transfer Rate : 20 GBPS
- Network / Transport Protocol : Tcp/Ip, Udp/Ip
- Remote Management Protocol : Snmp
- Features : Full Duplex Capability, Tcp/Ip Offloading, Quality Of Service (Qos), Jumbo Frames Support, Teaming Support, Pxe Support, Large Send Offload (Lso), Receive Side Scaling (Rss), Single Root I/O Virtualization (Sr-Iov), Tcp Segmentation Offload (Tso), Checksum Offload Support, Extended Message-Signaled Interrupts (Msi-X), Udp/Ip Offloading
About Refurbished Products
Here, you can check more available conditions of your desired product 701535-001 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.
Other Available Conditions for this Part
Other Available Categories For - Networking - Network Adapter
Warranty
ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.
What does ALLHDD.Com warranty cover?
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.
What is not covered by our warranty?
The reason why our warranty does not cover any problem caused by the following conditions:
(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;
(b) any misuse outside the instructions in the user manual for any specific product;
(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.
What is the Manufacturer/Brand Warranty?
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.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.
Important notes:
We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.
Individual product warranty mentioned on each item product description page/detail page.
Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.
Delivery
Shipping Options and Estimated Delivery Time
UPS Shipping Options:
FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days
UPS 3 Day Select®
Estimated delivery time: 3 business days
UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM
UPS Next Day Air® Standard Overnight
Estimated delivery time: Overnight 2-5 PM, Standard Overnight Delivery.
UPS Next Day Air® - Priority Overnight
Estimated delivery time: Overnight Delivery (Next Business Day) Delivery by 10:30 AM or 12:00 PM
UPS Next Day Air® First Overnight - Early A.M
Estimated delivery time: Overnight 8:00 AM, Early morning, overnight delivery for your time-critical shipments.
UPS® First Overnight - Saturday
Estimated delivery time: Overnight 8:30 AM – Saturday
FedEx Shipping Options:
FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.
FedEx Express Saver®
Estimated delivery time: 3 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states (except Hawaii and Alaska)
FedEx 2Day®
Estimated delivery time: 2 business days (by 4:30 PM to U.S. businesses; by 8:00 PM to residences)
Available throughout all 50 states
FedEx Standard Overnight®
Estimated delivery time: Next-business-day (by 4:30 PM to U.S. businesses and by 8:00 PM to residences)
Available throughout all 50 states (Hawaii is outbound only)
FedEx Priority Overnight®
Estimated delivery time: Next-business-day (by 10:30 PM to U.S. businesses, noon to most residences)
Available throughout all 50 states
FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states
Worldwide Shipping Options:
UPS®/FedEx® International Economy
Estimated delivery time: 4-7 business days
UPS®/FedEx® International Priority
Estimated delivery time: 2-4 business days
UPS®/FedEx® Ground Shipping Canada
Estimated delivery time: 5-8 business days
Important notes:
- The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
- We are not responsible for weather problems that may affect the delivery of goods by carriers. We cannot guarantee the exact delivery time, regardless of the carriers' claims.
- If you have any specific delivery time requirements, please contact our customer support and someone from our customer service team will be able to help you.
- You can estimate the shipping cost from the products detail page, also available on the checkout page
- The shipping cost depends on box dimensions, weight, and zip/postal code
- To get a FedEx® delivery service you need to mention it on the checkout page notebox.
- For urgent shipments, please contact our customer service.
- Shipping cut off 4:00 PM (Monday-Friday) and available blind drop shipment.
