10/100Base Single Fiber Media Converter

10/100Base Single mode Single Fiber Media Converter can convert Optical-Electric Ethernet signals between 10/100M UTP interface (TX) and 100M optical fiber interface (FX). It could extend traditional 10/100M Fast Ethernet to the distance of 90km through single optical fiber link. The 10/100Base single fiber media converter is with stable performance and good quality by adopting latest IC from USA and Taiwan. It must be used in couples.

10/100Base single fiber media converter Main features
1. The transmission of channel optical signals can be completed by single fiber. It has doubled in quantity of fiber data transmission compared with twin fiber type.
2. Auto negotiation function allows UTP port to auto select 10M or 100M and Full Duplex or Half Duplex
3. The UTP port supports MDI/MDI-X auto crossover. 
4. Supporting 1600 bytes packet for management. 
5. Internal circuit of prevented thunder could greatly reduce damage of converters caused by thunderbolt induction.
6. Indicator function of link fault (LFP): When optical fiber is at fault, the converter could stop the entire link.
7. Converter working mode could be chosen: Store and forward switch mode, modified cut-through switch mode, or Converter mode. 
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10/100Base single fiber media converter Technical Specifications
* Operating standards: IEEE802. 3u, 10/100Base-TX and 100Base-FX;
* MAC addresses table: 1K
* Data buffer: 128K.
* Connectors: UTP Connector: RJ-45, 10/100Mbps; Fiber Connector: SC, 100Mbps
* Cable:
UTP: Cat. 5 UTP cable (the max distance up to100m)
Fiber (Single mode): 8. 3/125, 8. 7/125, 9/125, 10/125μ M (the max distance up to 90km)
* Flow Control
* Power: AC 90 ~ 240V; DC 5V.1A
Full Duplex: IEEE802. 3x
Half Duplex: Back pressure

Fiber Optic Termination
Fiber optic termination refers to pigtail splicing and connector installation. It is a work that requires intensive manual labor and this work usually cost a lot of time for the installers. Here we are going to give some basic introduction of fiber optic termination.

Typical procedure of fiber optic termination include these steps: preparing the optical fiber; affixing the fiber to a connector by means of epoxy; cleaving the fiber at the ferrule end face; curing the epoxy and polishing of the ferrule end face. All these steps may require manual work. Good news is that a lot of diversified termination tools kits are available to make the work easier and the trend is to make the fiber optic termination work more automation with machines.
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Despite the trend to automation, field fiber optic termination and installation is still a time-consuming work. Some fast assembly connectors, for example, 3M or Corning’s filed assemblies’ connectors, are claimed to require only minutes to install by skilled workers. But you have to take into account the extra time that you need to prepare the fiber, polish, inspect and test the terminated connectors.

Field fiber optic termination do have advantages in some cases but it is also limited use, here we give you an example: if you need to terminate 144 core fiber cable, and each connector you use 2 minutes (most ideal time), then for this single piece of cable, you need is 144*2= 288 minutes. That is 4.8 hours you need per cable. Advantage of filed fiber optic termination is, you can make the cable assemblies any time you need and you do not need to prepare some ready patch cables.

10Gigabit OM3 Aqua 50/125 Multimode Multi Fiber Optic Patch Cable

Optical Cable Patch cable  multi fiber fan-out 10G cable is protected and seperated fiber ribbon (usually 12 fibers) with connector on the end to realize the seperate fiber connection with the ODF. The quality and performance is reliable and stable.

We supply the 10Gigabit OM3 multimode fiber optic cable that can transmit 10G signal. Huihong Tech's 10Gig fiber optic patch cables are designed to meet this requirement ,these  10g duplex fiber optic patch cords are with aqua OM3 50/125
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 fiber glass and they are typically used in 10 Gigabit Ethernet,our 10gigabit fiber optic patch cables the bandwidth supported is as specified IEEE802.3z which is for gigbit ethernet. Huihong Tech duplex10gig fiber optic patch cords are manufactured according to TIA-492AAAC-A standard for OM3 cable ,and the typical cable color is as per aqua standard which was developed by Lucent technologies

10Gig OM3 Multimode duplex fiber optic patch cable features:
Support 10 Gigabit data transmitting rates
Connectors are with UPC polish
Ceramic ferrules provide alignment

Armored fiber optic patch cable

Armored fiber optic patch cable retain all the features of standard patch cord, but they are much more stronger. The armored fiber optic patch cables will not get damage even it is stepped by an adult, and they are anti-rodents,

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when they use such armored fiber optic patchcord, people do not need to worry that the rodent animals like the rats may bite the cables and make them broken. Although armored fiber optic cables are strong, they are actually as flexible as standard fiber optic patch cords; they can be bend randomly without being broken.

Armored fiber optic patch cord can be made similar outer diameter with the standard 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 optic patch cords are actually light weight, the armored fiber optic patchcords can be with SC, ST, FC, LC, MU,SC/APC, ST/APC,FC/APC,LC/APC etc types of terminations.

16 channel optical video receiver Specifications：

16 channel optical video receiver Specifications：
Video Performance
Video Format: NTSC, PAL, SECAM
Video In/Output Impedance 75 Ohm (unbalanced)
Video In/Output Voltage 1.0V p-p typ, 1.5V max
Frequency Response 5Hz to 6.5MHz
Differential Gain (10-90% APL) < 0.7% typ
Differential Phase (10-90% APL) < 0.7° typ
Signal to Noise Ratio > 67dB (weighted)
Encoding 10 Bit linear PCM
Sampling Rate:16MHz
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Data Performance
Data Rate DC to 115 kbs (RS-232, RS-422; RS-485)
Bit Error Rate 10-9

Indicators
Video Data ERR Presence LED
Video Data SYNC Presence LED
Power PWR Presence LEDs

Optical interface
Bit Rate Over Fiber: 1.25Gbps
Output optical power: more than-12dBm
Wavelength T to R:1310nm
Wavelength R to T:1550nm
Receiver style: PINFET
Receiving sensitivity: less than -22 dBm
Light linker style: FC ST
Transmission distance: up to 80km

Video Data ERR Presence LED

Data Performance
Data Rate DC to 115 kbs (RS-232, RS-422; RS-485)
Bit Error Rate 10-9
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Indicators
Video Data ERR Presence LED
Video Data SYNC Presence LED
Power PWR Presence LEDs

Optical interface
Bit Rate Over Fiber: 1.25Gbps
Output optical power: more than-12dBm
Wavelength T to R:1310nm
Wavelength R to T:1550nm
Receiver style: PINFET
Receiving sensitivity: less than -22 dBm
Light linker style: FC ST
Transmission distance: up to 80km

Standard: comply with IEEE802.3 standard

Ethernet interface (optional)

Standard: comply with IEEE802.3 standard

Data rate:100Mbps

Interface rate:10-100Mbps auto-negotiation

Interface mode: Half-full duplex auto-negotiation

Interface connector:RJ45
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Power supply

Requirements Voltage:DC5V1A

Source: Power Supply or Chassis Backplane

Power consumption: less than 10W



Environment

Working temperature: -20°C-+70°C

Storage temperature: -40°C~+80°C

Relative humidity: 5%~95 %

Variable Fiber Optic Attenuator

Variable Fiber Optic Attenuator Specifications pdf  (58KB)

Variable fiber optic attenuator could help simulate distance or actual attenuation in the fiber optic testing work by inserting a calibrated attenuation into the link. By using the variable fiber optic attenuator, technicians could verify the power margin received by testing the fiber optic link power budget.
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Variable fiber attenuator can help user vary the light power injected from a light source into the optical fiber. Important parameter of variable fiber attenuator include its insertion loss, reflection loss and attenuation range.

This variable fiber attenuator works with typical 9/125 single mode fibers at 1310/1550nm. It is with FC fiber connector interface, insertion loss typical 2.5dB and return loss ≤-40dB,the variable fiber optic attenuator is with simultaneous LCD display of wavelength, input power, output power, current attenuation and selected attenuation step. Its attenuation step size is 0.05dB, 0.1dB, 0.5dB, 1dB and 5dB optional, attenuation range from 2.5dB to 25dB.

Fiber Cable Assemblies

Fiber optic cable assemblies include a wide range of products like fiber patch cables, fiber optic pigtails, and fiber optic splitters. They are all consisting of fiber optic cables and fiber optic connectors. We supply the most commonly used fiber optic cable assembly products.

Our fiber patch cables are made of premium quality materials by advanced manufacturing equipment. These fiber optic cable assemblies are also supplied to some world leading companies in this industry and to some university labs. These fiber cable assembly products include the SC, FC, ST, LC MTRJ, and etc types. Products are compliant with industry standards.
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Pigtail fiber optic cable assemblies made by our factory include both standard type and fan out type. The pigtail assembly can be 0.9mm diameter cable or 2mm or 3mm diameter cables. They can be terminated with various kinds of different fiber optic connectors and with custom length.

We also supply loop back fiber optic cable assembly and splitter fiber cable assembly. These products are stable quality and are strictly made according to the fiber optic standards. All the fiber cable assemblies from our company features the reliable quality, good price and very prompt delivery time

The different cables all have strengths and weaknesses.  Single-mode cable is frequently used for very long distance cable runs.  It's not unusual to use a 20KM piece of single-mode cable.

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But, the hardware to support single-mode cable is traditionally more expensive.

Multi-mode fiber doesn't work over such long distances, but the hardware for it is traditionally less expensive.  Multi-mode 62.5 and multi-mode 50 are commonly used with LED based

communications hardware.  10GB multi-mode, which is also 50 micron, is faster than the other types of multi-mode, mainly because its been designed to work with faster,

laser based communications hardware.

Protective tubes, plastic tubes and reinforced tubes

Protective tubes, plastic tubes and reinforced tubes

Mechanical protection for optical fibers
While optical fibers are fairly durable, they often cannot withstand all possible environmental conditions – especially those in harsh industrial surroundings.

 This is where additional protection becomes necessary, which prevents the fibers from being damaged or coming into contact with substances that could adversely affect their transmission performance or longevity.

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 Protective tubes are available for various optical fiber assemblies, to protect against damage from longitudinal and transverse forces, and various environmental factors. Plastic tubes and reinforced tubes are used for the direct assembly of multi-fiber loose tube cables with fanout elements for the mechanical protection of the fibers.

To ensure proper handling of cables during installation and maintenance work, the application of warning marks is very helpful and easily achieved.

Your advantages at a glance
Save up to 75% on the total cost of ownership for major projects by reducing complexity related to regulatory requirements, cable types, installation, and handling.

Approved for all task areas in your major project
Reductions to total costs due to simplified cable installation
Simpler project management

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Any cable design possible, including hybrid cables
No restrictions as regards fiber or cable diameters

No extra assembly effort compared to standardized cable types
Modular system of preforms, fibers, cables, assemblies, and optical components – to put together your own passive optical network

Higher tensile loads possible

Your advantages at a glance
Direct ground laying
Non-metallic armoring
UV-resistant
Easy to install, thanks to the grease-free cable core
Halogen-free
Higher tensile loads possible (optional)
Rugged corrugated steel cladding (optional)
Aluminum taping as moisture barrier (optional)
Steel wire braid (optional)
Steel wire armor (optional)

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CPR cables

Fire-resistant cables for indoor use according to the EU Construction Products Regulation
Saving lives, stopping spread, and minimizing long-term damage –  these are the priorities if a fire breaks out. Electrical and optical cables must also play their part in meeting these priorities – especially because of increasing cable densities in modern buildings.

Your advantages at a glance

Your advantages at a glance
Superior flexibility and product diversity due to strong vertical integration – from the starting material to the finished product
Customer-specific fiber designs and geometries

Singlemode special optical fibers

Bend-insensitive, Select-Cut-Off, and polarization-maintaining (PM) fibers
LEONI offers a broad portfolio of Select-Cut-Off fibers and polarization-maintaining single-mode fibers for a broad working wavelength range from UV to IR.
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Your advantages at a glance
Made-to-measure manufacturing and assembly to match customer requirements
Excellent geometric specifications with tight tolerances
Singlemode special fibers are used in sensor technology, for high-power laser transmission, and for data transmission in application-optimized transmission systems

Fiber Optic Cables in Computer Networking

Fiber Optic Cables in Computer Networking


fiber optic network
Fiber optic services are the future of connectivity. Fiber optic cables have offered significant technology advancements in internet services for consumers. Those seeking a faster and more reliable connection are making the switch to fiber optics.

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What is a Fiber Optic Cable?
When most people hear of fiber optic cables being used for their internet services, they may not know what their telecommunications company is referring to. A fiber optic cable is one that has glass fibers which are inside an insulated casing.

 The purpose of a fiber optic network is to reach longer distances and provide a higher performance than that of wired cables. Wired cables do not have the capability to have a large bandwidth and cannot transmit data over long distances. Fiber optic cables can support larger bandwidths and provide connectivity for much of the world’s internet and television.

The propagation losses are typically specified in units

The propagation losses are typically specified in units of dB/km (decibels per kilometer). Those apply without significant bending of the cable, so that only some level of microbend losses occurs, apart from absorption and scattering losses.

Applications of Fiber Cables
Optical fiber cables are often used in optical fiber communications. Large and strong cables are used for onshore and submarine data transmission, often bridging distances of thousands of kilometers (using fiber amplifiers). Smaller fiber patch cables can be used e.g. to connect the components of fiber-optic data links within buildings.
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The key advantages of fiber-optic cables over electrical data cables are the enormous transmission bandwidth and the low losses (particularly in the 1.5-μm wavelength region), but one may also profit from the immunity against electromagnetic interference and from the possibility to have fully insulating cables.

strand that is a single fiber-optic cable

It all seemed magical, and it was about to get even better. That sleek preform goes into a draw tower—imagine a grain silo on stilts up near the ceiling of a giant warehouse—to be melted.

Then from the gob of stuff that initially protrudes from the bottom of the tower following the melting process, a single strand is pulled or drawn straight down toward the ground. That is the hair-thin strand that is a single fiber-optic cable.
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The melting and drawing process, like the other steps, is tightly controlled. First, the tip of the preform is heated, causing a gob of hot glass to descend. Once the gob drops, it’s taken away, and the thin thread behind it is threaded through a device that minutely controls the speed of the draw (the speed at which the strand is drawn toward the ground) and the diameter of the resulting fiber. Every micron is documented.

The glass cools rapidly, within seconds, but according to precise timing. Meanwhile, inside the draw tower, a coating made of several layers of different plastics is applied to protect the glass and cured using ultraviolet light.