Quality and Performance of QSFP+Network Cable
The QSFP-4X10G-AC7M= Cisco 23 Feet 40GBase-CR4 QSFP+ Network Cable is a high-performance cable designed for data center applications that require fast, reliable data transfer. It is a copper cable that connects QSFP+ modules for 40G Ethernet, and it supports four lanes of 10G Ethernet over a single cable. Here's a closer look at its quality and performance:
Quality:
- The QSFP-4X10G-AC7M= cable is manufactured by Cisco, a reputable brand known for producing high-quality networking equipment.
- The cable is made of high-quality copper material, which provides excellent conductivity and helps reduce signal loss.
- The cable is also designed with a low cross-talk, which ensures that there is minimal interference between the different channels of data transfer.
- The QSFP-4X10G-AC7M= cable meets industry standards for quality and performance, ensuring that it will work reliably in your data center environment.
Performance:
- The QSFP-4X10G-AC7M= cable supports data transfer rates of up to 40 Gbps, which is four times faster than the 10 Gbps speed of traditional Ethernet cables.
- The cable is backward-compatible with 10G Ethernet, which means it can support both 10G and 40G Ethernet connectivity.
- The cable supports both short and long distances, with a maximum length of 7 meters (23 feet) for reliable data transfer over longer distances.
- The QSFP-4X10G-AC7M= cable is hot-swappable, which means it can be replaced or installed while the system is running, minimizing downtime.
Maintenance and Troubleshooting of Twinaxial Network Cable
The QSFP-4X10G-AC7M= Cisco 23 Feet 40GBase-CR4 QSFP+ Network Cable is a high-speed data transfer cable commonly used in data centers for connecting switches, routers, and servers. It has a QSFP+ connector on one end and four 10G SFP+ connectors on the other end, making it capable of transmitting data at speeds of up to 40 Gbps over a distance of 23 feet.
Maintenance:
To ensure the proper functioning of the QSFP-4X10G-AC7M= Cisco 23 Feet 40GBase-CR4 QSFP+ Network Cable, regular maintenance is recommended. Here are some tips for maintaining the cable:
- Keep the cable clean: Dust and debris can accumulate on the connector and affect the signal quality. Use a clean, dry cloth to wipe the connector clean regularly.
- Avoid bending the cable: Bending the cable beyond its minimum bend radius can damage the internal wires and affect the signal quality. Follow the manufacturer's recommended bend radius.
- Avoid pulling or twisting the cable: Pulling or twisting the cable can damage the connectors and the internal wires. Always handle the cable with care.
- Store the cable properly: Store the cable in a cool, dry place, away from direct sunlight and moisture. Avoid placing heavy objects on top of the cable.
Troubleshooting:
If you experience connectivity issues with the QSFP-4X10G-AC7M= Cisco 23 Feet 40GBase-CR4 QSFP+ Network Cable, here are some troubleshooting tips:
- Check the cable connections: Ensure that the cable is securely connected to both ends. Check for any loose or damaged connectors.
- Check the cable for damage: Inspect the cable for any physical damage such as cuts, kinks, or frayed wires. Replace the cable if any damage is found.
- Check the cable compatibility: Ensure that the cable is compatible with the devices it is connected to. Check the manufacturer's specifications for compatibility.
- Check the network settings: Ensure that the network settings on the devices are correctly configured. Check the IP address, subnet mask, and gateway settings.
- Test the cable: Use a cable tester to check for any signal loss or attenuation. This can help identify any issues with the cable.
Common Issues and Solutions
The QSFP-4X10G-AC7M= Cisco 23 Feet 40GBase-CR4 QSFP+ Network Cable is a high-speed network cable designed to support 40 Gigabit Ethernet (40GbE) data rates over a short distance. Here are some common issues and solutions that you may encounter while using this cable:
- Cable length limitations: This cable is only designed to support distances of up to 7 meters (23 feet). If you try to use it over longer distances, the signal may become too weak, resulting in data loss or errors. To overcome this issue, you can use fiber optic cables, which are designed to support longer distances.
- Compatibility issues: The QSFP-4X10G-AC7M= cable is only compatible with devices that support the 40GbE data rate and have a QSFP+ port. Before purchasing this cable, make sure that your devices are compatible with it.
- Poor connectivity: If you experience poor connectivity, check the connectors at both ends of the cable to ensure that they are properly seated. If they are not, re-seat them and test the connection again.
- Bent or damaged cable: If the cable is bent or damaged, it can cause signal loss or data errors. Avoid bending the cable too tightly or kinking it, and replace the cable if you notice any signs of damage.
- Interference: This cable may be susceptible to interference from other electrical devices or cables. To reduce the risk of interference, keep the cable away from other cables and devices that may generate electromagnetic interference (EMI), such as power cables or motors.
General Information about this Cisco QSFP-4X10G-AC7M=
- Manufacturer: Cisco
- Part Number or SKU# QSFP-4X10G-AC7M=
- Product Type: Twinaxial Cable
Technical Information of Cisco Twinaxial Cable
- Cable Type: Twinaxial
- Cable Length: 7 Meter
- Connector on First End: SFF-8436 QSFP+
- Connector on Second End: SFP+
- Device Supported: Network Device
About Refurbished Products
Twinaxial cable (also known as Twinax cable) is similar to the coaxial cable, with the only difference being that the former has two inner conductors. These cables were not popular until after 2013, when their applications in differential signaling showed a significant increase. Twinaxial cables are used for high-speed data transfer over short distances, usually not more than 10 meters.
Twinax Cable Length and Performance
Most of these cable types are 10-gigabit Ethernet cables and are classified as either passive or active. Active Twinax cables, as the name suggests, have active electronic components that that are encased at the connector terminal to improve signal quality. This is necessary for applications that are data sensitive. A passive twinaxial cable, on the other hand, has no components and only consists of the conductor and insulation casing. Generally, longer cables are made active because of the long distance the signal has to travel, and shorter cables are passive. But that depends on the manufacturer and brand.
Twinax cables are commonly used for connecting devices through the SFP+ interface ports. They are desired for this because of the high data throughput of up to 10GBps and low latency. A Twinax cable is many times better than other cabling standards such as CAT7 and CAT6. They also draw minimal power to operate, even for active Twinax cables.
What Materials are Used in Twinax Cable?
These cables were constructed mainly from copper wires. That was before the commercial use of fiber optic cables. Currently, you can choose between Twinax copper cable or Twinax optical cable. By comparison, optical cables are better performers and are also more expensive. So, your choice will be limited to what you have on your budget.
Twinax and Coaxial, How Do They Compare?
It is possible to get confused between these two commonly used types of cables. They are very similar in many ways, but the notable difference that sets the twinaxial cable apart is the two conductors instead of one. This construction makes these cables have better signal integrity in short-range applications. When shopping, you will have to know this difference and consider other factors as well.
If you are unsure about the cable type to buy, contact the ALLHDD sales manager for support. We have technical experts ready to help you choose the best cable type and length for your applications. You can trust us for quality and excellent customer service.
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.
