Monthly Archives: October 2013

Selecting The Appropriate Fiber Optic Cable

Share

Fiber optic cable has turned into a standard component in many contemporary cable infrastructures. Its immunity to electromagnetic interference (EMI) and radio frequency interference (RFI) turn it into a desirable cable medium. Its function to safeguard the fibers during its stallation and also the service lifetime. Its capability to transport signals for significant distances has also earned it a place in many networks, whether they are local, wide area or metropolitan. In reality, fiber optic cable is currently run down many residential streets and brought straight to the home. This website will try to inform us how to choose the right fiber optic cable plus some basic fiber optic cable specifications.

Whenever you used fiber optic cable?

Fiber optic cables can transport more data and do this on the greater distance than typical copper communication cables. Fiber is utilized to link the networks of buildings together, link the dorms and buildings on a college campus, and today, link a growing number of residential customers to their television and telephone providers. In most a commercial building, however, fiber can be used to join the main distribution frame (MDF), where typically network servers reside, to telecommunication closets (TC) through the building.

For instance, a little cluster of cubicles as well as their occupants may be located 500 feet in the MDF. You would like to supply of their computers around the network. Since standard copper communication cables are restricted to 295 feet of installed cable, they won’t work on that distance. Multimode fiber is the solution. The cubicles can be wired with copper communication cables to some nearby enclosure. By placing the network switches and including a media converter in that enclosure, you may use a fiber optic cable to bridge the 500-foot gap. A media converter in the opposite end from the fiber optic cable completes the channel.

The above scenario describes a normal use for multimode duplex fiber optic cable inside a building. However, it’s just one of these of the way fiber optic cable can be employed for your transport of data. Fiber optic cable can also be installed where space is an issue since one small fiber optic cable can replace a huge selection of copper communication cables.

Pick the 50 micron or 62.5 micron?

Although 62.5 micron fiber was the most popular just a few years back, 50 micron quickly gained business and is also still achieve this. 50 micron fiber may have approximately 20 times the bandwidth (data throughput capacity) of 62.5 micron. For identification purposes, multimode fiber, as well as singlemode fiber, is frequently known by its performance level identified by ISO/IEC (International Organization of Standards and International Electrotechnical Committee), which is depending on the fibers bandwidth capabilities. 62.5 micron multimode is referred to as OM1. 50 micron fiber is known as OM2, OM3 and the recently added OM4. When you would imagine, OM4 has greater bandwidth than OM3 and OM3 has greater bandwidth than OM2.

50 micron OM3 fiber is designed to accommodate 10 Gigabit Ethernet as much as 300 meters, and OM4 can hold it to 550 meters. Therefore, many users are now choosing OM3 and OM4 on the other glass types. In fact, nearly 80% of fifty micron fiber sold is OM3 or OM4. Many fibre optic cable suppliers provide many kinds of OM4 multimode fiber,such as om4 mpo cable for sale in FC,LC, SC, ST, MU, and MTP connector.We can customize patch cables in any cut length.

Four steps to choose the fiber optic cable outer sheath:

1. You’d better choose Armored Fiber Cable when use cable directly buried outdoor. And judge black plastic outer sheath cable with two roots and over two root.
2. Pay attention to the characters of flame retardant, poison and smoke when use cable inside building. Generally, use flame retardant and smoke type cable within the pipeline. And choose flame retardant, smokeless and non-toxic enter exposed environment.
3. Choosing distribution cables in the apartment building vertical wiring. Breakout cables are employed to Level wiring type.
4. The best option to choose multimode optical cable when the transmission distance is under 2 km. Within the other sides, use single-mode optical cable when the transmission is a lot more than 2 km.

Red-hot News:

FiberStore update and upload the fiber optic cable products now,we provide many types of fiber optic cable (such as simplex fiber cable,duplex fiber cable,om3 multimode fiber,om4 multimode fiber,waterproof cable,armored fiber cable,om4 mpo cable and so on), and the cost of fiber optic cable was very cheaper than other company. We always meet or exceed industry standards of cable is used to ensure product quality and the best performance.

OM3 OR OM4 Cable Which One Do You Need

Share

Many types of fiber optic cable in the online company supply.It has many choices in the internet.How to choose the right fiber optic cables if you needed? Such as the OM3 multimode fiber OR OM4 multimode fiber.The first we must know fiber optic cable specifications,and  know their different,and finally to determine which one is the most suitable.

10G Ethernet:

The 10G Ethernet basic power budget is about 6dB but this is degraded for longer link lengths due to signal distortions such as modal dispersion. These distortions mean that the detector requires more power to operate. The way this extra power is accommodated in channel planning is through a “power penalty”. In our example, the power penalty increases from 0 to almost 5dB for the maximum channel length. The penalty is not linear and increases dramatically as the maximum length is reached. In designing the channel, a key factor is the power budget available for connection loss. This is the total power budget inclusive of penalties reduced by the cable attenuation, leaving that portion of the power budget that may be used to cover connector insertion loss, splice loss, bend loss and contamination.The table opposite shows that at 300m with OM3 the loss available for all connections is only 1.79dB. On the other end OM4 allows up to 4.55dB, an increase of 2.76dB. A typical data centre channel may have eight connections. For OM3, the average loss must be less than 0.24dB,including all factors which means premium terminations must be used and there is no margin for installation faults, pinched cables or any other channel problem With a budget of 0.57dB per connection, OM4 allows considerable headroom to support a stable network. Know more OM3 and OM4 in this blog ,it can help you to choose the best cable in your project.

OM3 multimode fiber:

OM3 10G fiber optic cables which are used for 10Gigabit Ethernet applications. These cables are also called multimode OM3 10G Aqua fiber optic cables. Our OM3 10G cables are various types including different connector types, cable structure and cable length. Our OM3 multimode fiber that are compliant to ISO/IEC 11801 standards. These cables are used for 10Gbps networks to meet the requirement of continuous growing of high data rates.Typically 10 Gigabit applications are run on 9/125 Single Mode fiber, which require costly single mode transceivers. By utilizing the FOB501B series cables, you can implement low cost multimode transceivers or VCSEL’s (Vertical Cavity Surface Emitting Lasers) resulting in greater overall system cost savings.

OM4 multimode fiber:

OM4 is the latest high modal bandwidth high performance 50/125 Graded Index Multimode (GIMM) cabled fibre specification. OM4 fibre enables extended range performance over high bit rate links such as 8 Gigabit Fibre Channel and 10 Gigabit Ethernet compared to existing fibre types. FiberStore offer a wide range of OM4 compliant cable assembly products in both standard OM4 and Reduced Bend Sensitivity (RBS) OM4 variants.

What is the difference between OM3 and OM4 fiber?

First, OM stands for optical multi-mode. Both OM3 an OM4 are  50/125 core fiber but they have different internal construction that allows the OM4 fiber to provide the same performance as OM3 but for longer distances. The reason for this is the difference in bandwidth, OM3 has 2500 megahertz bandwidth , OM4 has 4700 megahertz bandwidth. What this translates to is longer transmission distances for the OM4 fiber. So you will need to know the distance of the fiber run in order to help decide which kind of fiber and fiber accessories need to be used.

For more fiber optic cable specifications,pls contact with fibre optic cable suppliers.