Single mode and Multimode Fiber Optic Patch Cord

Fiber Optic Patch Cable is also known as optical fiber jumper or optical patch cord. It is composed of a fiber optic cable terminated with different connectors on the ends. There are two major application areas of fiber optic patch cords which are computer work station to outlet and fiber optic patch panels or optical cross connect distribution center. Single mode fiber patch cables are primarily used for applications involving long distance, while multimode patch cables are the choice for most common local fiber systems because the devices for multimode are far cheaper.

Single mode fiber patch cables have a small core and only one pathway of light. With only a single wavelength of light passing through its core, single mode realigns the light toward the center of the core instead of simply bouncing it off the edge of the core as with multimode. Single more is typically used in long-haul network connections spread out over extended areas-longer than a few miles. For example, telcos use it for connections between switching offices. Single mode cable features a 9-micron glass core.

Multimode fiber patch cords have a large-diameter core that is much larger than the wavelength of light transmitted, and therefore has multiple pathways of light-several wavelengths of light are used in the fiber core. Multimode fiber patch cord can be used for most general fiber applications. Use multimode fiber for bringing fiber to the desktop, for adding segments to your existing network, or in smaller applications such as alarm systems. Multimode cable comes with two different core sizes: 50 micron or 62.5 micron.

Simplex fiber patch cable consists of a single fiber, and is used in applications that only require one-way data transfer. For instance, an interstate trucking scale that sends the weight of the truck to a monitoring station or an oil line monitor that sends data about oil flow to a central location. Simplex fiber is available in single mode and multimode.

Duplex fiber optic patch cord cable consists of two fibers, usually in a zip cord (side-by-side) style. Use duplex multimode or single mode fiber optic cable for applications that require simultaneous, bi-directional data transfer. Workstations, fiber switches and servers, fiber modems, and similar hardware require duplex cable. Duplex fiber is available in single mode and multimode.

Applications of optical patch cord:

FTTH application
Premise installations
Data processing networks
Wide Area Networks (WANs)
Telecommunication networks
Industrial, mechanical and military


. Fiber optic connector type: LC, FC, SC, ST, MU, MTRJ, E2000
. Ferrule Interface type: PC, UPC, APC
. Fiber cores: Simplex, duplex, 4 fibers, 8 fibers etc.
. Fiber type; Single mode (G.652, G655), multimode(50/125)/(62.5/125)
. 100% Insertion Return Loss, End Face and Interference inspection
. Low insertion loss, high return loss
. Excellent mechanical endurance
. Good in repeatability and exchangeability
. Insertion loss: <0.5 dB
. Operation temperature: -20° to 85°C
. 10G OM3 OM4 fiber cable available
. Various jacket material, PVC and LSZH

FiberStore fiber jumpers are manufactured strictly according to international standard. We adopt high quality raw materials and we use on-site manufacturing equipment. Our skilled workers and quality control department work closely together to guarantee that every piece of our fiber optic patch cord is excellent quality and looking. Our fiber patch cables are fully compliant with international standards and are with very good quality and competitive prices.

Some Other Fiber Optic Patch Cord

Armored fiber patch cords

Armored fiber patch cords (armored multi fiber cable) retain all the features of standard optical patch cord, but they are much stronger. The armored fiber patch cords will not get damage even it is stepped by an adult, and they are anti-rodents, when use such armored fiber patch cord, people do not need to worry that the rodent animals like the rats may bite the cables and make them broken. Although armored fiber cables are strong, they are actually as flexible as standard fiber optic patch cord; they can be bended randomly without being broken.

Armored fiber patch cord can be made similar outer diameter with the standard fiber patch cords, this make them space saving. What is more, they can be with different jacket colors and jacket types such as OFNR etc. and the armored fiber patch cords are actually light weight, the armored fiber patch cords can be with SC, ST, FC, LC, MU, SC/APC, ST/APC, FC/APC, LC/APC etc types of terminations.

The armored fiber optic patch cord has features as common type fiber optic patch cables but more robust designed to deploy in FTTH projects inside the buildings. The armored fiber optic patch cord use stainless steel armor inside the jacket to make the fiber patch cord resistant of high tension and pressure. It can resist the weight of an adult person and it is not easy to break when is bent or dragged. The armored fiber optic patch cord is flexible with high damage resistant by improper twist and also resistance of pressure and rodent bites.

MPO Fiber Patch Cord

MPO patch cord (Ribbon fan out Fiber patchcord, Ribbon mliti cable fan out) use MTP and MPO multi fiber type connectors, each one of the connector are used with ribbon type fiber optic cables which contain multi fiber in one single jacket, so that MPO Fiber Patch Cord greatly save space and are very convenient to use. Based on single ferrule MT technology, the MPO Fiber Patch Cord assemblies provide up to 72 fiber connections in a single point, reducing the physical space and labor requirement, while providing the same bandwidth capacity of a multi-fiber cable with individual fiber connector terminations per cable( know more about MTP MPO cable).

Bundle fan out patch cord 

Bundle fan out patch cord (Multi cable fan out) are enormously valuable in speeding up the installation process, by eliminating the need for unnecessary splicing or terminations in the field.

Bundle fan out patch cord assemblies can be with various structures and connectors options. Bundle fan out patch cord assemblies are available in various fiber counts, with distribution cable or outside plant cable. Outside plant cable assemblies utilize end-blocking kits for water protection and fan out tubing for fiber ruggedizing, Distribution is 900un tight buffered and typically not ruggedized, depending on the application. While Bundle fan out patch cord assemblies are most often pigtail, optical fiber jumpers are also available and provide numerous installation advantages.

Bundle fan out patch cord assemblies are a custom design product; cable length, jacket types and connectors are with many options. To easily identify the multiple fiber cables, 0.9mm cable itself are made with different colors, if 2mm or 3mm cable it will be put number label to identify. Pulling eyes are also available with the cable; pulling eye is small devices, which can be fastened to the cable and easily, pull it through duct or small space place. Long fiber optic cable assemblies are usually packed by plastic or wooden reels to protect it from damage.

Fiber Optic Patch Cord Wiki

optical patch cord is a fiber optic cable capped at either end with connectors that allow it to be rapidly and conveniently connected to CATV, an optical switch or other telecommunication equipment. Its thick layer of protection is used to connect the optical transmitter, receiver, and the terminal box. This is known as “interconnect-style cabling”.


. Fiber optic connector type: LC, FC, SC, ST, MU, MTRJ, E2000
. Ferrule Interface type: PC, UPC, APC
. Fiber cores: Simplex, duplex, 4 fibers, 8 fibers etc.
. Fiber type; Single mode (G.652, G655), multimode(50/125)/(62.5/125)
. 100% Insertion Return Loss, End Face and Interference inspection
. Low insertion loss, high return loss
. Excellent mechanical endurance
. Good in repeatability and exchangeability
. Insertion loss: <0.5 dB
. Operation temperature: -20° to 85°C
. 10G OM3 OM4 fiber cable available
. Various jacket material, PVC and LSZH


optical fiber jumper is constructed from a core with a high refractive index, surrounded by a coating with a low refractive index that is surrounded by a protective jacket. Transparency of the core permits transmission of optic signals with little loss over great distances. The coating’s low refractive index reflects light back into the core, minimizing signal loss. The protective jacket minimizes physical damage to the core and coating.


Ordinary cables measure 125µm in diameter (a strand of human hair is about 100µm). The inner diameter measures 9µm for single-mode cables, and 50/62.69µm for multi-mode cables.

The development of “reduced bend radius” fiber in the mid-2000s, enabled a trend towards smaller cables. Each unit of diameter reduction in a round cable, produces a disproportionate corresponding reduction in the space the cable occupies.


Patch cords are classified by transmission medium (long or short distance), by connector construction and by construction of the connector’s inserted core cover.

Transmission medium

Single-mode fiber is generally yellow, with a blue connector, and a longer transmission distance. Multi-mode fiber is generally orange or grey, with a cream or black connector, and a shorter 
transmission distance.

Connector construction

Connector design standards include FC, SC, ST, LC, MTRJ, MPO, MU, SMA, FDDI, E2000, DIN4, and D4. Cables are classified by the connectors on either end of the cable; some of the most common cable configurations include FC-FC, FC-SC, FC-LC, FC-ST, SC-SC, and SC-ST.

Inserted core cover

The connector’s inserted core cover conforms to APC, UPC, or PC configuration. A UPC inserted core cover is flat and is used in SARFT and early CATV. An APC connector’s inserted core cover is 
oblique (about 30 °, ±5 °).


Patch cables are used for connections to CATV (Cable Television), telecommunication networks, computer fiber networks and fiber test equipment. Applications include communication rooms, FTTH (Fiber to The Home), LAN (Local Area Network), FOS (fiber optic sensor), Fiber Optic Communication System, Optical fiber connected and transmitted equipment, Defense combat readiness, etc.

FiberStore supply fiber optic patch cable with different connector and cable type. The common core sizes of multimode fiber are OM1 62.5 micron and 50 micron in OM2 or 10 Gigabit Laser Optimized OM3. We offersingle mode fiber patch cables and multimode fiber patch cable with a variety of connector types such as LC, FC, SC, ST, MU, MTRJ and E2000.Duplex fiber cables consist of two fiber cores and can be either multimode or singlemode. We also can customize patch cables in any cut length.

A Simple Introduction To Fiber Optic Patch Cable

optical patch cord is a cable that connects devices to allow information to pass between them. Patch cords are a common way of setting up wired connections between devices, such as connecting a television to a digital cable box using coaxial cable. These cords are used for any type of signal transference, such as in a television, radio or computer network. A optical fiber jumper is a special kind of cable that uses light to transfer signals at extremely high speeds with very little degradation. As a result of these properties, a fiber optic patch cord is typically a reliable way to transfer information.

Most modern homes are full of patch cords, as they connect stereo components, televisions, video game consoles and computers to one another. The ‘cable’ for cable television is a specialized type of patch cord that goes from the cable company’s box to the inside of a home. Network cable between a modem and a router, coaxial connections between a television and a digital video disk player and even the cable that connects an music player to a computer are all patch cords.

These cords come in a lot of different shapes, sizes and lengths. They have specialized connectors (such as ST-LC fiber patch cable, SC to LC patch cable) that allow a single cord to do a single job. Even though the ends look so different, there are really only a handful of different types of cords used as patch cables.

In between the varied ends, coaxial cable is the most common type of connection found in entertainment systems, and Ethernet cable is common in networked devices. Single-wire cords are less 
common, but are used in some kinds of scientific and audio equipment. Lastly, fiber optic patch cord can actually do everything the others can do faster and with less signal loss, but it is more expensive and has some problems not found in other materials.

Fiber optic cords use a plastic or glass core, surrounded by reflective material and protective cladding, to send pulses of light. These cables transfer information at very high speeds, since they use actual light rather than electrical pulses to move the information. In addition, light is not disrupted by electromagnetic noise the way electrical pulses are, allowing the signal to stay nearly pure.

Since fiber optic patch cord is often considered superior to other types in speed and clarity, it seems like it would be everywhere, but it does have some problems. The design of a fiber optic patch cord is very specific. Small variations or problems in manufacture that traditional cables wouldn’t even notice will totally stop transmission. A fiber optic patch cord may also end up cracked when it is bent at a sharp angle; this will also stop any transmission. After a fiber optic cord is made, it is also very hard to change its length, as opposed to electrical cables which can be connected or cut very easily.

The Meaning of The Fiber Optic Patch Cord

Fiber is divided into two categories:

Single mode fiber: General optical fiber jumper in yellow, connector and protective sleeve in blue; transmission distance is longer.

Multimode fiber: General optical patch cord in orange, and some in gray, fittings and protection applied beige or black; transmission distance is shorter.

Fiber Optic Connector Type:

There are many types of fiber jumpers, according to connector shape can be divided into: FC, SC, ST, LC fiber cable, etc.; can be divided according to the type of ferrule: PC, UPC, APC, etc.; according to type can be divided into single mode optical fiber, 50 / 125 Multimode, 62.5/125 multimode, polarization, etc.; based on fiber diameter can be divided into: 900μm, 2mm, 3mm and so on.


Fiber access products are widely applied to: communications room, fiber to the home, local area networks, fiber optic sensors, fiber optic communication systems, fiber optic transmission equipment connected, defense readiness, etc.

Uses and Features:

A variety of high quality fiber optic patch cords and pigtails broadband for cable television, telecommunications networks, computer networks and optical fiber test equipment.

Fiber optic patch cords and pigtails fiber counts and physical structure according to customer special requirements. High return loss and low insertion loss. Using high precision ceramic ferrule. Precision ground and fully testing.

Optical Fiber Using Precautions:

Both ends of the optical fiber jumper wavelength transceiver module must be consistent, that must be the same at both ends of fiber optic wavelength optical module, a simple distinction is consistent with the color of the optical module. Under normal circumstances, short-wave optical module using multimode fiber (orange fiber), long wavelength single-mode fiber module (yellow fibers), in order to ensure data accuracy. Do not use excessive fiber in bending and circling, this will increase the attenuation of light in the transmission process.

Fiber Optic Patch Cord Features

. Low insertion loss

. Good repeatability

. Large return loss

. Mutual Insert performance

. Good temperature stability

In optical fiber access process, fiber jumpers plays a huge role, for example:

. Optical fiber communication system

. Optical access network

. Optical fiber data transmission

. Optical fiber CATV

. Local Area Network (LAN)

. Test equipment

. Optical fiber sensor

As the best Chinese fiber optic products supplier, FiberStore Inc. provides various types of optical patch cord including common single-mode 9/125, OM1 62.5/125, OM2 50/125, 10G OM3/OM4 patch cables, armored patch cables, fiber optic pigtails, multi core patch cables, MPO/MTP patch cables and other special patch cables. SC, ST, FC, LC, MU, MTRJ, E2000, APC/UPC terminations(fiber optic connectors) are all available.

Buying Optical Fiber Jumper and Fiber Optic Pigtail

The difference between optical fiber jumper and fiber optic pigtail

Optical fiber jumper is a fiber optic cable with optical fiber connector plugs on both ends. Fiber optic jumpers are divided into the following three types by termination type basically: ST-ST, SC-SC, ST-SC. According to the optical fiber type, they mainly include single-mode fiber and multimode fiber. The specifications of the jumper wire length are 0.5m, 1m, 2m, 3m, 5m, 10m and so on.

Different from optical fiber jumper, fiber optic pigtail is a fiber cable end with fiber optic connectors at only one side of the cable while leave the other side no connectors, so that the connector side can link to the equipment and the other side can be melted with optical cable fibers.

Optical fiber pigtails are used to achieve accurate mounting for precision alignment of fiber optical components. Fiber optic pigtails are usually used with fiber optic management equipment like ODF, splice and cross cabinets. They connect different optical fiber communication equipment and system activity in passive components. With optical fiber distribution frames, boxes, terminal box, Optical fiber pigtails can realize welding of different direction of fiber optic cable, fiber jumper and flexible wiring of distribution, so as to realize the optical fiber communication network of highly efficient and flexible management.

Models of optical fiber jumper and fiber optic pigtail

Fiber optic jumper and fiber optic pigtail are all named on FC/ST/SC/LC/MTRJ/PC/APC/UPC. They stand for the physical interface connection on both ends, different connections with different models.

FC is the circular spiral

ST is circular bayonet 45 degrees

SC is a square socket

LC and MTRJ are small core plug connection

PC is spherical structure

APC is 8 degrees inclined structure

UPC is flat structure

How to calculate the amount of optical fiber jumper and fiber optic pigtail that you need?

Firstly, make it clear that how many cable routings and optical transceiver you have. That is to say, each routing needs to occupy the number of optical fiber.

Secondly, make sure how many optical fiber you need to reserve.

Thirdly, calculate your total number = optical fiber number + back up number, fiber splice = total number * 2, fiber optic pigtail you need = fiber splice you need, optical fiber jumper = optical transceiver * 2 + backups.

The selection and calculation of fiber optical jumper and fiber optical pigtail are involving professional knowledge. If you want to know more about them, you can contact our civil service in FiberStore, who will give you more details.