Tag Archives: SFP Cable

SFP+ Cable: How Much Do You Know?

Recently, the popularization of SFP+ cable has become the trend of data center interconnection. However, what is SFP+ cable? To this end, different SFP cable manufacturers have different presentations and descriptions. Here, let’s discuss the exact meaning and classification of SFP+ SFP+ cables.

What Is SFP+ Cable

SFP+ cable refers to the high-speed cable that are equipped with transceiver (without components, can only transmit signals) at both ends. It was widely used in storage area networks, data centers and high-performance computer connectivity. SFP+ cable supports 10G Ethernet, 8G Fiber Channel, 10G FCoE, 10G InfiniBand and various unified architecture link applications.

SFP+ Cable Types

Today, several types of SFP+ cables are accessible, such as SFP+ direct attach cables, and SFP+ active optical cables. In additional, there are two types of SFP+ direct attach copper cable: SFP+ active direct attach copper cable and SFP+ passive direct attach copper cable.

SFP+ Direct Attach Copper Cable

Also known as twinax cable, SFP+ direct attach copper cable is used in rack connections between switches and servers, containing a high-speed copper cable and two SFP+ copper modules. With the low cost and low power budget, the SFP+ direct attach copper cable has the advantage of high-end port density, configurability, and utilization. The cables are thermally removable and insertable, meaning that you can remove and replace them without turning off the switch or breaking the switch function.

SFP+ cable: SFP + Direct Attach Copper Cable

Figure 1: SFP+ Direct Attach Copper Cable

SFP+ Active Copper Cable: To enhance the signal and driven from the port without additional power requirements, SFP+ active direct attach copper cable assembly contains a low power circuit in the connector. As a low-cost alternative to optical transceivers, the active version is often used in row or intermediate row data center architectures for interconnection distances up to 15 meters.

SFP+ Passive Copper Cable: As a high performance connectivity solution, SFP+ passive direct attach copper cable assembly supports 10GB Ethernet and Fibre Channel applications. Besides, it has higher reliability and fewer components with lower cost.

There is no real visual way to distinguish the difference between active and passive twinax cables. The active or passive twinax cable assembly can be directly connected to the SFP+ shell. Active twinax cables have active electronic components in the SPF+ housing to improve signal quality; passive twinax cables are only a straight line “wire” without active components. Typically, a twinax cable less than 5 meters in length is passive and a cable longer than 5 meters is active, but this is a general rule, depending on the supplier. Most manufacturers will have some kind of marking on the cable connector head, which will mark the cable as active or passive.

SFP+ Active Optical Cable

With a full-duplex construction, SFP+ active optical cable can transmit data at 10Gb/s. In additional, it can support a single transmission between 1 and 100 meters. Supporting single-channel and high-speed data link applications, SFP+ active optical cable is fully compatible with Fibre Channel, and Ethernet. As a cost-effective interconnect solution, SFP+ active optical cable has the edge of high speed, longer cable length, and enhanced signal integrity.

SFP+ cable: SFP+ Active Optical Cable

Figure 2: SFP+ Active Optical Cable


It is no doubt that SFP+ cables have many advantages after a brief introduction to the three SFP+ cables. First, SFP+ cables are interchangeable and hot-pluggable, which means that when the device is working too early, you don’t have to completely shut down the system to replace the device. Second, it is compatible with other protocols such as Ethernet, Fibre Channel, and PON standards, maintaining the speed and integrity of the signal as it travels over long distances. Third, the SFP+ cable is not too expensive, making it more and more popular. FS.COM can provide you with the reasonably priced and high quality cables. By the way, we also has very excellent SFP modules. If you have any need or question about SFP+ cables, please contact us.

Choose an Experienced Supplier is Necessary

When you need to replace or install a new transceiver module and other network system project, you get the best product is very important. These transceivers should be based on industry standard way to proceed. This will ensure that you get are to meet industry standard network system accessories. There are several places where you can buy these products for your home or office systems. So, you know the best transceiver modules and accessories you buy, you will want to find a certified professional businesses.

You should find a wide range, from a qualified supplier network projects. A huge stock usually means you are buying from a quality dealer. You should be able to buy things like media converters, fiber optic jumper cables and fiber optic lines. These types of vendors usually have this experience in order to be able to answer all your technical questions and advise you on what will be the best product for your system. You should be wary of trickery random cables and transceivers and has nothing to do with the system, or computer network projects of any retailer’s stock.

SFP+ module

When you are looking for a supplier, you will be able to tell the designer accessories, they sell if their quality. You should be able to find something like a Cisco SFP transceivers, Dell, D-link’s, 3Com and GLC-T products. These are all well-known manufacturers in the industry. You will you buy the best product possible from all these brands. Find out which brand retailers sell you made about them before the final choice. For example,SFP-10G-SR in Fiberstore, which is has the same functionality and performance with Cisco SFP 10G SR and is fully compatible with Cisco’s products, and that choice in Fiberstore also feasible.

An experienced businesses will know how to help you find the best items for your system. The best vendors will sell a large selection Xenpak, GBIC and SFP modules. Some vendors also offer customized services according to your requirements to design and production of the product, such as this in Fiberstore of SFP + passive copper cable is directly connected, the SFP-H10GB-CU1M with and Cisco SFP-H10GB-CU1M completely the same functions and features and is compatible with all Cisco equipment, even still lower than price of Cisco. An experienced provider will know to explain to you. If they can not answer any questions about the transceiver module systems and related functions, which may mean you are not from a reliable and experienced supplier sourcing products.

Find a reputable supplier is easy. The Internet is a great place to find retailers selling networking products at a good price. System for your project online shopping can be beneficial when it comes to prices. Without worrying about the store, online retailers can charge much less. You definitely want to talk to people before you make your purchase. All the possible information you need to get shipped to your time right accessories.

Fiberstore founded in 2001, our focus is to provide quality SFP cable, SFP module and related products, local and wide area networking products. Our company is characterized by personalized service. We know you have many choices where to buy, so we do our best to provide the best SFP products to best support the best possible price. The good news is Fiberstore now being carried out to a 30% discount offer, if you want to know more product information, please visit our online store at http://www.fs.com/