March 22, 2013

Mainstream Market Of SFP Plus Transceiver

SFP+ Transceivers(Small Form-Factor Pluggable) are the upgraded form of the former SFP transceivers (mini GBIC), with higher data rate and new industrial standards. It's smaller than any of the currently shipping form factors and offers the greatest density per line card. SFP+ offers customers both immediate benefits and long-term advantages in supporting evolving data center needs. The SFP+ specification was first published on May 9, 2006, and version 4.1 published on July 6, 2009. It is a international industry format supported by many network component vendors.

SFP+ is definitely an innovative, next-generation transceiver module. Initially, it is geared to support speeds of 10 Gbps for next-generation Gigabit Ethernet applications and 8.5Gbps Fiber Channel systems. What is more, SFP plus is with lower power consumption for less than 1W which is even economical. These transceivers are with managed digital optical monitoring and superior high temperature performance.

Several industrial acknowledged standards for SFP plus has been released for 10Gpbs networks, including 10Gbase-SR, which define the SFP plus transceiver dealing with OM3 10G multimode fiber at 30 to 300 meters range, 10Gbase-LR which define the SFP plus transceiver dealing with single mode fiber at 10km range, 10Gbase-LRM which define the FDDI multimode fiber around 220 meters range.

Compare With XENPAK or XFP Modules
Compared to earlier XENPAK or XFP modules, SFP+ module is with more compact size compared with the previous 10G transceivers X2 and Xenpak, leave more circuitry to become implemented around the host board instead of within the module.
The benefits of SFP+ modules:
SFP+ Includes a More Compact Form Factor Package Than X2 And XFP.
It Can Interact with The Same Data Rate Of XFP, X2 And XENPAK Directly.
The price of SFP Is gloomier Than XFP, X2 And XENPAK.

SFP+Transceiver is interchangeable with SFP transceiver and can be used in exactly the same cages as SFP transceiver. For 10G applications,SFP+transceiver has a smaller footprint minimizing power consumption than XFP transceiver. The electrical interface towards the host board for SFP transceiver andSFP+transceiver is identical serial.

Many companies, for example Cisco, Finisar, and Sumitomo, have releasedSFP+transceivers.SFP+ensure the 10Gbps data transmission and also the most densely installation capability as well as the lowest cost, currently it's well known as the best option for the 10Gbps fiber optic transceivers. Among them,CiscoSFP+transceivermay be the mainstream market. Cisco 10GbaseSFP+transceivers are used for high speed 10Gigabit Ethernet, linking the gear to fiber optic networks. CiscoSFP+products include activeSFP+cables andSFP+transceivers. There is alsocopper transceiveroffered by Cisco.

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March 21, 2013

Benifit From Protocol Converter

Aprotocol converteris device used in telecommunications as well as networking to change the protocol of one machine to match another protocol, as each protocol based on many factors. Protocol converter permits the different machines to operate together as long as the converter props up protocols of every machine. The main protocol translation messages involve transformation of information, commands, representation, encoding and framing to achieve the conversion. Most converters have a database with several protocols, which database can be used to convert the initial protocol to a different format.

The Protocol Converter connects directly to equipment and converts SNMP, BACnet, and Modbus protocols to one or more of these same protocols for integration right into a building management system (BMS) or network management system (NMS). The protocol converter is fantastic for situations where data from monitored equipment is incompatible with the protocols utilized by the BMS or NMS, for example in cases where legacy monitoring systems can be found.

Applying Protocol Converters

Protocol Converter applications change from industry to industry. The protocol converter could be a software converter, hardware converter, or an integrated converter with respect to the protocols.

Some of the key applications are:
Substation Automation;
Building Automation;
Process Automation.

Typical Types
Protocol converter provide local, remote loop-back functions, commanded remote device loop-back in addition to pseudo-random code testing functionality; loop-back functionality can be employed without influence on normal network data verbal exchanges and may not at all end in this meltdown of network. Typical Protocol converters types include E1/V.35/V.24/RS485/RS232/RS422 protocol converter.

E1 to Ethernet Protocol Converter
E1 to Ethernet 10/100Base-T Protocol Converter adopts the ASIC chip which features simple circuits and compact structure and enhances the toughness for the integrated equipment. It offers data transmission channels at a maximum bandwidth of two.048M for the Ethernet over coaxial cables and connects two LANs through coaxial cables. E1 port can easily support 120 ohm/75 ohm amount of resistance together.

V.35 to Ethernet Converter
E1 to V.35 protocol converter provides physical conversion between ITU G.703 standard E1 interface and V.35 Interface. Equipments with V.35 interface but without G.703 interface such router and multiplexer is able to transmit data via E1 multiplexer or E1 channel with E1-V.35 protocol converter.

V.35 user port can easily support N*64K (N=1~32) adaptive rate, which helps it to service central, additional and slave clock modes, to be able to often be taken to help a number of apps; and it also can figure under DTE and DCE modes. E1 to V.35 protocol converter realizes the bi-directional data transfer from E1 port to V. 35 network. These treadmills are used in communication network including WAN and LAN, realizing the transfer from E1 channel of SDH or PDH equipment to V. 35, which maybe supplied by routers.

E1 to RS232 RS422 RS485 Converter
RS232 port can certainly service mtss is a adaptive rate lower than 115.2K. Ethernet protocol convertor can easily diagnose this giving in addition to having facts notice associated with E1 port on auto-pilot, along with switch off Ethernet function on auto-pilot;

Protocol converter are usually used with Switches, PCIe network cards and fiber media converters, CWDM and DWDM equipment, PDH multiplexers etc. Ingellen provides protocol converters for E1 to Ethernet Converter, V.35 to Ethernet Converter,E1 to V.35 or V.24 Converterand E1 to RS232 RS422 RS485 Converter, NxE1/ETH with E1/2E1/4E1/8E1/16E1 to ETH/2ETH/4ETH ports andtdm over ip converter, you will find card types and standalone in 19 inch rack for choice.

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March 20, 2013

The Advantages Of Fiber Media Converters

Fiber Media Converteris definitely an economic devices utilized in networking more often nowadays, it is definitely an optical converter designed for the fiber optic area. But why it's important in network field?

The reason why we have to use fiber media converter is, the Ethernet signals is transmitted by UTP cables, but UTP cables possess some shortages, whose transmission distance is 100 meters only). As you know, 100 meters obviously can not meet the requirement in many actual network currently. On the other hand, fiber cables are able to transmit signal for any lengthy distance and fiber optic signals tend to be more secured and lightweight in weight. So we may use fiber media converter to change betweem the two types signals and extend the network range. With the manufacturing technology being more and more mature, the price to use fiber is decreasing. Above reasons are enough to exhibit fiber media converter is necessary and economic. Sometimes the enterprises need to connect their copper based networks straight to the fiber backbone, the fiber media converter also plays a good role there.

Advantages of Fiber Media Converters

Fiber media converters support a variety of data communication protocols including Ethernet, Fast Ethernet, Gigabit Ethernet, T1/E1/J1, DS3/E3, as well as multiple cabling types such as coax, twisted pair, multi-mode and single-mode fiber optics. Fiber media converters also ocan connect different lan (LAN) media, modifying duplex and speed settings. When expanding the reach in the LAN to span multiple locations, media converters are useful in connecting multiple LANs to create one large campus area network that spans around the limited geographic area. As premises networks are primarily copper-based, fiber converter can extend the reach of the LAN over single-mode fiber as much as 130 kilometers with 1550 nm optics.

The benefits of media conversion include providing a gentle migration path from copper to fiber. Fiber connections can reduce electromagnetic interference. Also, fiber media converters pose just like a cheap solution for those who want to buy switches to be used with fiber but don??£Â¤t have the money to pay for them, they could buy ordinary switches and employ fiber media converters to utilize with their fiber optic network.

Ingellen offers an extensive choice of full-featured Ethernet to fiber optic media converter solutions, enable the extension of multimode to single mode or multimode to multimode fiber connections to distances as much as 160km. Fiber optic converter products given by Ingellen include copper to fiber and fiber to fiber media conversion within the following supported converters:fast Ethernet media converter, Gigabit Media Converter,protocol converter, PDH Multiplexer, 10/100/1000Base Fiber Media Converter, fiber optic modems (like RS422, RS232, RS485, E1 Multiplexer and so forth) and more. Choose Ingellen Technology for the best product to meet your fiber conversion project needs.

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March 19, 2013

Futher Information About SFP Module

SFP module(Small form-factor pluggable) is a compact optical transceiver used in optical communications for telecommunication and knowledge communications applications. SFP transceivers offer a convenient and price effective solution for that adoption in data center, campus, metropolitan area access and ring networks, and storage space networks.

SFP Optical Module Structuer:
SFP module includes Laser (such as the TOSA transmitter and receiver ROSA), circuit board of IC and external accessories, external fittings are shell, base, PCBA, ring, buckle, unlock parts, rubber plug, in order to identify easily generally pull ring color determining the module parameter type.

SFP Transceiver Types:
According to the rates, SFP transceivers are divided into 155M/622M/1.25G/2.125G/4.25G/8G/10G. Included in this, 155M and 1.25G modules are utilized most often. Using the gradually mature of 10G technology, the requirement can also be recleasing.

Based on the wavelength, there are 850nm/1310nm/1550nm/1490nm/1530nm/1610nm SFP transceivers. The wavelength of 850nm SFP is multimode with the transmission distance less than 2KM. While, 1310/1550nm for singlemode with the transmission distance more than 2KM. Furthermore, 850nm/1310nm/1550nm SFP modules are less costly than the others.

You'll easily confused through the naked SFP modules if there is no identification. General manufacturers identify each other by the colour of the pull ring, such as black pull ring for multimode, wavelength of 850nm; blue is wavelength of 1310nm module; yellow is the wavelength of 1550nm module; purple may be the wavelength 1490nm module.

The main difference between Multi-mode and Single-mode SFP modules:
Multi-mode
Almost all of the multimode fiber optic dimensions are 50/125μm or 62.5/125μm, and bandwidth (the data transmission capacity of optical fiber) is usually from 200MHz to 2GHz. The transmission of multimode modules could be as much as 5 km by multimode fiber. Make use of a light emitting diode or laser like a light source. Pull ring or in vitro color As black.

Single-mode
The singlemode fiber dimension is 9-10/125µm, unlimited bandwidth and lower loss compared with the multi-mode optical fiber. Single-mode optical transceivers are widely used for long-distance transmission, sometimes can up to 150-200 km. Using LD or perhaps a narrow spectral type of the LED as a source of light. The pull ring or perhaps in vitro color is blue, yellow or purple.

Differences and connection
Single-mode fiber is affordable, but multimode device similar with single-mode devices are expensive. Singlemode devices typically could be operated in a single-mode optical fiber, may also be operate on a multi-mode fiber, but multi-mode devices only run in a multimode optical fiber.

The 10G module, develops from 300Pin, XENPAK, X2 and XFP, finally attain the signal transmission of 10G with the same size of SFP, and it is calledsfp plustransceiver. SFP module meets the requirements of high-density equipment with its miniaturized low-cost advantages.10G SFP + transceiver, pushed in the 2002 standard, replaced the XFP this year, is just about the 10G mainstream market.

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March 18, 2013

Useful Fiber Optic Media Converter

Fiber Media Converter, often known as fiber transceivers or Ethernet media converter, are simple networking devices making it easy to connect two different media types for example twisted pair such as Cat 5 or Cat 6 cable which has a fiber-optic cabling network. It can be primarily utilized in connecting existing copper-based, structured cabling systems, like twisted pair and the faster fiber-optic networks. The converters can be utilized in the large metropolitan area networks (MANs), as well as large business networks, referred to as enterprise networks.

Applications
Fiber optic media converters for a number of POF/HCS fiber technologies, glass MM and glass SM are for sale for interference-free connection and coverage of long distances. With respect to the application along with the required range, distances of 50 m, 300 m, 10 km or 40 km can be covered.

Media converters may also connect to various optical fiber cables including multimode, single mode or single strand fiber cable. The fiber-optic media converter can extend up to 80 miles employing a single-mode fiber, a significantly greater distance compared to the older copper-based systems. Options exist for many distances to match the demands of a selected ethernet to fiber application. And, fiber interface connectors could be dual ST, dual SC, dual LC or single SC type.

Fiber media converters can connect different Lan (LAN) media, modifying duplex and speed settings. When expanding the reach with the LAN to span multiple locations, fiber transceivers are helpful in connecting multiple LANs in order to create one large campus area network that spans over the wide geographic area. Regarding larger LANs, fiber-optic media converters are helpful in connecting separate networks for a substantial area. It can make separate LANs operate together large LAN. It can also modify speed and duplex settings. For example, a fiber-optic converter that has switching capability can connect a network segment which utilizes half duplex, a process that allows two-way communication only one way at any given time, with a faster, full-duplex system. A full-duplex system provides for simultaneous two-way traffic. The half-duplex might be a legacy 10baseT system, along with the newer system could be 100baseT, as well as the converter will allow these phones communicate on the fiber connection.

Types
Media converter types range from small standalone devices and PC card converters to high port-density chassis systems offering many advanced features for network management. And also the 10/100/100M Gigabit Ethernet Media Converter is the hottest relating to the main fiber optic media converters.

The 10/100/100MGigabit Media Converterseries was created to meet the massive needs for network deployment and able to extend a copper based Fast network via fiber cable with a maximum distance around 100KM.

10/100/1000M SFP Media Converter can convert Optical-Electric Ethernet signals between 10/100/1000M UTP interface (TX) and 1000M optical fiber interface (FX). The standard 10/100/1000M gigabit Ethernet could be extended for the distance of 100km through optical fiber link. The performance and excellence of these products are perfect because of adopting latest Gigabit IC from USA and Taiwan. 6 Group LED indicated lights could fully monitor the running conditions of converters. It is simple for users to look at and diagnose the failure of converters.

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March 15, 2013

CWDM/DWDM Mux/Demux and OADM Review

CWDM/DWDM Mux/Demuxand OADM are common participate in Passive. CWDM and DWDM technology produce an efficient strategy to share some fiber strands as well as set together various communications interfaces like: 10G, SONET OC-192, STM-64, Fiber Channel 1G/2G/4G, Gigabit Ethernet, OC3/OC12 or OC48 and E1/T1, by simply using different wavelengths regarding per channel. Thus they're able to expand the ability of the network without laying more fiber. And I would like to introduce the actual basical description of CWDM Mux/Demux, DWDM Mux/Demux and OADM.

As you know, Mux (Multiplexer) products combine several data signals into one for transporting on the single fiber. Demux (Demulitplexer) separates the signals at the other end. Each signal are at a different wavelength.

CWDM Mux/Demux
The Coarse Wavelength Division Multiplexing-CWDM Mux/Demux is really a flexible plug-and-play network solution, which helps insurers and enterprise companies to affordably implement denote point or ring based WDM optical networks. CWDM Mux/demux is perfectly made for transport PDH, SDH / SONET, ETHERNET services over WWDM, CWDM and DWDM in optical metro edge and access networks. CWDM items are frequently used in less precision optics and minimize cost, un-cooled lasers with lower maintenance requirements. In contrast to DWDM and Conventional WDM, CWDM is a bit more cost-effective and much less power utilization of laser devices. CWDM Multiplexer Modules can be bought in 4, 8 and 16 channel configurations. These modules passively multiplex the optical signal outputs from 4 in excess electronic products, send on them someone optical fiber and after that de-multiplex the signals into separate, distinct signals for input into gadgets down the opposite end for that fiber optic link.

DWDM Mux/Demux
The Dense Wavelength Division Multiplexing-DWDM Mux/Demux Modules are made to multiplex multiple DWDM channels into a few fibers. According to type CWDM Mux/Demux unit, with optional expansion, can transmit and receive up to 4, 8, 16 or 32 connections of different standards, data rates or protocols more than one single fiber optic link without disturbing the other person. DWDM MUX/DEMUX modules provides the most robust and low-cost bandwidth upgrade on your current fiber optic communication networks.

OADM
OADM(Optical Add-Drop Multiplexer) can be a device found in WDM systems for multiplexing and routing different channels of fiber into or beyond one particular mode fiber (SMF). OADM is made to optically add/drop one or multiple CWDM/DWDM channels into a couple of fibers, provides capability to add or drop a single wavelength or multi-wavelengths from the fully multiplexed optical signal. This allows intermediate locations between remote sites to get into the most popular, point-to-point fiber segment linking them. Wavelengths not dropped pass-through the OADM and carry on in direction of the remote site. Additional selected wavelengths might be added or dropped by successive OADMS as needed.

Ingellen supplies a wide selection of passive optics. The modules are customizable with a range of WDM/CWDM/DWDM modules andCWDM OADMor DWDM OADM . Ingellen is the correct solutions to ask about for guidance for usage of CWDM, DWDM or WDM technology. CWDM and DWDM Mux/Demux offer an ideal balance of price and gratification for multiplexing and demultiplexing in Metro/Access networks.

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March 14, 2013

Details about CWDM Technology

CWDM (Coarse Wavelength Division Multiplexing) is often a technology which multiplexes multiple optical signals using one fiber optic strand through the use of different wavelengths, or colors, of laser light to hold different signals. CWDM technology uses ITU standard 20nm spacing between the wavelengths, from 1270nm to 1610nm.

CWDM In comparison with DWDM
Accordingly, they've two important characteristics built into systems employing CWDM optical components which enable easier and so also less expensive in DWDM systems. CWDM really is easy with regards to network design, implementation, and operation. CWDM in concert with few parameters which need optimization through the user, while DWDM systems require complex calculations of balance of power per channel, that's further complicated when channels are added and removed or when it's employed in DWDM networks ring, particularly when systems incorporate optical amplifiers.

CWDM Function
CWDM modules perform two functions. First, they filter the lighting, ensuring just the desired wavelengths are used. Second, they multiplex or demultiplex multiple wavelengths, which can be applied to one fiber link. The visible difference is within the wavelengths, that are used. In CWDM space, the 1310-band as well as the 1550-band are split up into smaller bands, each only 20-nm wide. Inside the multiplex operation, the multiple wavelength bands are combined onto one fiber. Inside the demultiplex operation, the multiple wavelength bands are separated from one fiber.

Generally, a CWDM network takes two forms. A point-to-point system connects two locations, muxing and demuxing multiple signals using one fiber. A loop or multi-point system connects multiple locations, typically using Add/Drop modules.

CWDM Modules Types
CWDM Modules utilize thin-film coating and micro optics package technology. CWDM modules could decide among two main configurations: CWDM Multiplexer/Demultiplexer (CWDM Demux) modules and CWDM Add/Drop Multiplexer (CWDM OADM) modules.

Mux products include a handful of statistics symptoms right into a just for having employing a one-time fabric. Demux isolate all of the symptoms inside some other type of terminate. Any value reaches an additional wavelength.

CWDM Mux/demux are designed to multiplex multiple CWDM channels into A couple of fibers. Within a hybrid configuration (mux/demux), multiple transmit and receive signals could be combined onto one particular fiber. Each signal is assigned a different wavelength. At each end, transmit signals are muxed, while receive signals are demuxed. CWDM Mux/demux is usually a flexible plug-and-play network solution, allowing carriers and enterprise companies to cheaply implement point out point or ring based WDM optical networks. CWDM Mux/demux is modular, scalable and it is perfectly fitted to transport PDH, SDH / SONET, ETHERNET services over WWDM, CWDM and DWDM in optical metro edge and access networks.

The normal configuration of CWDM mux/demux is 2CH, 4CH, 5CH, 8CH, 9CH, 16CH and 18CHCWDM MUX/DEMUX. 3 Single fiber or dual fiber connection for CWDM Mux/demux are also available. These modules passively multiplex the optical signal outputs from 4 or maybe more electronic products, send on them only 1 optical fiber followed by de-multiplex the signals into separate, distinct signals for input into technology in the other end in the fiber optic link.

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March 13, 2013

CWDM Mux/Demux And CWDM OADM--Types And Features

Coarse Wavelength Divison Multiplexer/Demultiplexer Module (CWDM Mux/Demux) is often a flexible, low-cost solution that effective at combining nine optical signals in a fiber pair. The CWDM Mux/Demux is designed to interoperate with both WaveReady line of transponder and optical regenerator solutions in addition to CWDM transponders and small form-factor pluggables (SFPs) found in accessible transmission equipment.

Common utilizations of CWDM technology are the multiplexers and de-multiplexers or optical amplifiers to further improve the capacity in the fiber optic cable. The CWDM Mux/Demux modules including CWDM MUX and CWDM Demux, are created to multiplex multiple CWDM channels into a couple of fibers. As well as highly reliable passive optics certified for environmentally hardened applications, the CWDM Mux/Demux lets operators make use of available fiber bandwidth in local loop and enterprise architectures.

According to the wavelength or running channels in the each signal, CWDM MUX/DEMUX includes 4CH, 5CH, 8CH, 9CH, 16CH, 18CH CWDM Mux/Demux. These CWDM MUX/DEMUX can be found in 19" Rack Mount or LGX module package.

4 channel CWDM MUX/DEMUXModule general features:
Low Insertion Loss;
Low PDL;
Compact Design;
Good channel-to-channel uniformity;
Wide Operating Wavelength;
Wide Operating Temperature;
From -40??C to 85??C;
High Reliability and Stability.

4 channel CWDM MUX/DeMUX Module Applications:
CWDM System;
PON Networks;
CATV Links.

CWDM provides most economic and efficient wavelength division multiplexing solutions for metro edge and access networks. Ingellen CWDM products cover 2 channel, 4 channel, 5 channel, 8 channel, 9 channel, 16 channel and 18 channel CWDM Mux/Demux. Ingellen Technology now offers CWDM OADMs (Optical Add/Drop Module) from 1 to 16 channels for CWDM networks, including 1 channel, 2 channel, 4 channel, 8 channel and 16 channel CWDM OADM.

The CWDM OADMs are passive devices that will multiplex/demultiplex or add/drop wavelengths from multiple fibers onto one optical fiber. Through the use of CWDM technology, individual channels may be optically added or dropped from the fiber pair while allowing pass-through visitors to continue unobstructed with the bus or ring. It gives you low insertion loss, high channel isolation, wide pass band, cold sensitivity and epoxy free optical path.

1 channel CWDM OADM Key Features:
Add/drop ITU-T G.695- and G.694.2-compatible CWDM channels onto a fiber pair;
Created for use in outside-plant fiber splice enclosures;
Upgradeable to eight channels per fiber;
Provides low-loss pass-through for CWDM channels;
Thermally stable passive optics require no electric power.

1 channel CWDM OADMApplications:
Provides fiber conservation or reclamation for CWDM wireless backhaul, broadband, and also other services;
Supports linear (bus) and ring add/drop architectures.

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March 12, 2013

Filter WDM Basics Definition

Wavelength-division multiplexing (WDM) is currently seizing as the leading technology in point-to-point transmission links. One key device is a tunable optical filter. Important features of such a filter include low insertion loss, narrow bandwidth, high sidelobe suppression, large dynamic range, fast tuning speed, an easy control mechanism, small size, and price effectiveness. Filter WDM module will depend on Thin Film Filter (TFF) technology. TheFWDMis extensively used in EDFA, Raman amplifiers, WDM networks and fiber optics instrumentation. These devices combines or separates light at different wavelengths within a wide wavelength range. Since FWDM series offer suprisingly low insertion loss, low polarization dependence, high isolation and ideal environmental stability, great for very fast WDM network systems. It's popular in optical fiber systems:1310/1550nm, 1480/1550nm, 510/1550nm, 980/1550nm and 1310/1490/1550nm.

FWDM Main Features:

Wide Operating Wavelength Range;

Low Insertion Loss;

Ultra Flat Wide Passband;

High Channel Isolation;

High Stability and reliability;

Epoxy-free on Optical Path.

FWDM Applications:

Testing Instruments;

FTTH Tri-Play System.

WDM is a method of combining multiple signals on lasers at various infared (IR) wavelengths for transmission along fiber optic media. Each laser is modulated by an unbiased group of signals. Wavelength-sensitive filters, the IR analog of visible-light color filters, are utilized in the receiving end.

WDM is similar to frequency-division multiplexing (FDM). But rather than occurring at radio frequencies (RF), WDM is performed in the IR portion of the electromagnetic (EM) spectrum. Each IR channel carries several RF signals combined by means of FDM or time-division multiplexing (TDM). Each multiplexed IR channel is separated, or demultiplexed, in the original signals on the destination.

Using WDM can multiply the effective bandwidth of your fiber optic communications system by the large factor. However its cost has to be weighed against the contrary of using multiple fibers bundled in to a cable. A fiber optic repeater device known as the erbium amplifier intentions to make WDM a cost-effective long-term strategy to the bandwidth exhaustion problem.

Ingellen gives a wide range of WDM/CWDM/DWDM devices, such as CWDM Mux/Demux,CWDM OADM, DWDM Mux/Demux, DWDM OADM, Filter WDM and so on. Ingellen 1310/1490/1550 WDM devices depending on thin-film filter technology are design to address the actual requirements from the FTTP market. Strong coating and passive device packaging capabilities feature these WDMs with excellent optical performance, good reliability and ultra-compact size. Ingellen'Fliter WDM utilizes thin film coating technology and proprietary kind of non-flux metal bonding micro optics packaging.

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March 11, 2013

The Basical Description Of CWDM OADM

CWDM OADM(Coarse Wavelength Division Multiplexing Optical Add/Drop Module) is passive device to multiplex/demultiplex or add/drop wavelengths from multiple fibers onto one optical fiber. By making use of CWDM technology, individual channels could be optically added or dropped from the fiber pair while allowing pass-through people to continue unobstructed through the bus or ring.

Key Features:
Add/drop ITU-T G.695- and G.694.2-compatible CWDM channels onto a fiber pair;
Suitable for use in outside-plant fiber splice enclosures;
Upgradeable to 8 channels per fiber;
Provides low-loss pass-through for CWDM channels;
Thermally stable passive optics require no electrical power.

The CWDM OADM splice packs are a member of a family group of flexible, low-cost solutions that expand the capacity of existing fiber. CWDM OADM bidirectional splice packs provide both east and west add/drop functionality and they are readily deployed in existing outside plant splice enclosures. They supply ample room for fiber management and splice holders. The OADM connectors are interfaced to the color-matching CWDM GBICs around the equipment side. All the modules are similar size.

Structure
OADM includes three stages: an optical demultiplexer, an optical multiplexer, and together a technique for reconfiguring the paths between your optical demultiplexer, the optical multiplexer plus a pair of ports for adding and dropping signals. The optical demultiplexer separates wavelengths in a input fiber onto ports. The optical multiplexer multiplexes the wavelength channels which are to continue on from demultipexer ports with those through the add ports, onto one particular output fiber.

You will find four a variety of CWDM OADMs:

Dual Single-Channel OADMs (CWDM-MUX-AD-xxxx?aAllows you to definitely add/drop two channels of the wavelength in the two directions associated with an optical ring. Another wavelengths are undergone the OADM. Dual fiber is utilized for both the network along with the CWDM GBIC connections. Eight versions of this OADM can be obtained, one for each wavelength associated with. The twin single-channel OADMs are color coded and match the colour coding in the CWDM GBICs.

4 channel CWDM OADM(CWDM-MUX-4=)?aAllows you to definitely add/drop four channels (with some other wavelengths) into one direction of an optical ring. The other wavelengths are undergone the OADM. Dual fiber is utilized for both the network along with the GBIC connections. Some wavelengths are set to 1470 nm, 1510 nm, 1550 nm, and 1590 nm.

8-Channel Multiplexer/Demultiplexer (CWDM-MUX-8=)?aAllows you to multiplex/demultiplex eight separate channels into one couple of fiber. Dual fiber is used for both the network as well as the GBIC connections. The eight available wavelengths are 1470 nm, 1490 nm, 1510 nm, 15300 nm, 1550 nm, 1570 nm, 1590 nm, and 1610 nm.

Single-Fiber 4-Channel Multiplexer/Demultiplexer (CWDM-MUX-4-SFx=)?aAllows you to multiplex/demultiplex four separate channels into one strand of fiber. Dual fiber is utilized for the connections towards the GBICs and single fiber can be used to the network connections. The two models (CWDM-MUX-4-SF1= and CWDM-MUX-4-SF2=) can be used together to generate a four-channel single-fiber point-to-point link.

CWDM OADM is simply one in the CWDM passive optical system, another are CWDM MUX/DEMUX and CWDM GBIC. They offer optical networking support for high-speed data communication for metropolitan area networks (MANs) over the grid of eight CWDM optical wavelengths both in ring or point-to-point configurations.

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March 07, 2013

Passive Optical Network Fiber Optic Splitter

Passive Optical Network (PON)optical splitterplays an important role in Fiber for the network by allowing just one PON network interface to be shared among many subscribers. A PON network could be made with just one optical splitter, or it might have several splitters cascaded together. They are the network elements that squeeze passive in Passive Optical Network and are available in many different split ratios, including 1:8, 1:16, and 1:32. These communication networks have enhanced capabilities which can be relied upon to handle high-bandwidth multimedia applications and in addition prepare the network for development in the longer term.

Optical splitters Specifications
Optical splitters contain no electronics and rehearse no power. An optical splitter is utilized to split a single optical fiber into separate strands, when it comes to routing optical signals to multiple near end or remote locations. The Optical Splitter supports over 7,000 IP voice, data and video network connections to one Ethernet device. Optical Splitters can be found in three different versions; being a cable, being a tabletop enclosure, so when a rack-mountable unit, that have superior design and are constructed from good quality components. The splitter can be deployed within the Central Office (CO) alongside the OLT, or it can be deployed in a OutSide Plant (OSP) cabinet better the subscribers. A splitter can be deployed within the basement of the building for a Multiple Dwelling Unit (MDU) installation (not shown).

Categories
Optical Splitters can be found in configurations from 1x2 to 1x64. There are 2 basic technologies for building passive optical network splitters: FBT Splitter/Coupler (Fused Biconical Taper) and PLC Splitter (Planar Lightwave Circuit). FBT Coupler could be the older technology and usually introduces more loss than the newer PLC splitters, though both PLC splitter and FBT splitters are widely-used in PON networks. FBT attenuation is often a bit greater than attenuation fromplc splitter.

FBT Splitter makes two (a couple of) fibers removed the coating layer gather inside a certain way, stretched to either side within the heating zone at the same time, form a double cone? It is special waveguide structure finally for getting an alternative splitting ratio via controlling length of the fiber torsion angle and stretch. A FBT splitter is created by wrapping two fiber cores together, putting tension on the optical fibers, then heating the junction before the two fibers are tapered from the tension and fused together.

PLC Splitter can be a micro-optical element using photolithographic techniques to form optical waveguide at medium or semiconductor substrate for realizing branch distribution function. PLC Splitters are positioned in each optical network involving the PON Optical Line Terminal (OLT) and also the Optical Network Terminals (ONTs) how the OLT serves.

Optical splitters are widely used in Networks implementing BPON, GPON, EPON, 10G EPON, and 10G GPON technologies currently.

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March 06, 2013

Overview PLC Splitters---Main Feature And Common Kinds

PLC Splitter(Planar waveguide Circuit) are developed using silica glass waveguide circuits and aligned fiber pigtails, divide a single/dual optical input(s) into multiple optical outputs uniformly. PLC splitter is designed for FTTx Passive Optical Networks, CWDM, DWDM and optical cable TV System, which is widely used in FTTX developments, PON networks, CATV links and optical signal distribution currently.

Splitters contain no electronics and use no power. They are the network elements that put the passive in Passive Optical Network and are available in a variety of split ratios, including 1:8, 1:16, and 1:32. The PLC splitters provide low-cost solution for optical signal distribution in PON network, with small form factor and superb reliability, meets various application requirements in different environments. The high quality performance including low insertion loss, low PDL, high return loss and ideal uniformity more than a wide wavelength range between 1260 nm to 1620 nm, and operate in temperature from -40℃ to 85℃.

PLC splitter is a high quality passive device. It is especially for passive internet (EPON, BPON, and GPON). The different splitter package meet people’s different requirement. There are three common used PLC Splitters, includingbare PLC splitter, Blockless PLC Splitter and Rack Mount PLC Splitter

Bare PLC splitter
Standard plc bare fiber splitter are with equal slitting ratio in 1XN and 2XN structure, 1X2,1×4, 1×8,1×16, 1×32 and 1×64 PLC Splitters, 2×4, 2×8, 2×16, 2×32 bare fiber PLC splitters.
Bare Fiber PLC Splitter Features:
Low insertion loss;
Low excess loss;
Low Polarization Dependent Loss;
High directivity;
Long haul reliability;
Customer defined specifications.

Bare Fiber PLC Splitter Applications:
Fiber to The Point (FTTX);
Fiber to The Home (FTTH);
Passive optical networks(PON);
Local Area Networks (LAN);
Cable Television (CATV);
Test Equipment.

Blockless PLC Splitter
Blockless PLC Splitteruses PLC & Package technology to split one wavelength into many ports, from 4 way to 32 way. It has no fan-out block so you can save space and achieve smaller splitter modules.

Rack Mount PLC Splitter
19" standardRack Mount PLC Splitteris a key component in FTTH and is responsible to distribute the signal from CO to numbers of premises. The highly stable splitter performs superbly across temperature and wavelength providing low insertion loss, low input polarization sensitivity, excellent uniformity, and low return loss in configuration of 1x4, 1x8, 1x16, 1x32 and 1x64 port.

Ingellen provides a wide variety of 1xN and 2xN plc splitters, which can be designed for exact functions. Our PLC splitter products are without a doubt warranted to help you prime quality and even most beneficial rate. You can easily customize PLC splitter to suit your exact conditions.

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March 05, 2013

Fiber Optical Splitter For Split Configurations

The fiberoptical splitter, also known as beam splitter, is optical fiber tandem device with many input terminals and many output terminals, especially applicable to a passive optical network to connect the MDF and the terminal equipment, achieving the branching of the optical signal.

Fiber optic splitters enable a signal on an optical fiber to be distributed among two or more fibers. Since splitters contain no electronics nor require power, they are an integral component and widely used in most fiber optic networks. For example, a 1X4 LC type equal splitting ratio fiber optic splitter can split the fiber optic light signal into four equal 25% parts and sent to the 4 different channels, LC is the connector type on the splitters. Fiber optic splitter key parameters include the optical loss, splitting ratio, isolation, PDL, etc.

Fiber Optic Splitter Features:
Single Mode, multimode, and PM fiber types;
Multiple port configurations, custom length and cable diameters;
Various splitting ratios, 50:50 to 1:99;
Tube type or Box type, PLC fiber optic splitters or Fused fiber optic splitters;
PC, UPC, and APC fibre optic connectors;
Available with FC, SC, ST, LC and MU connectors.

Types
According to the optical splitter principle, it can be divided into FBT Splitter (Fused Biconic Tapered) and PLC Splitter (Planar Lightwave Circuit).

FBT Coupler, based on the traditional technology, making two (two or more) fibers removed the coating layer gather in a certain way, stretched to both sides under the heating zone at the same time. Form a double cone’s special waveguide structure, finally for getting a different splitting ratio, via controlling length of the fiber torsion angle and stretch. FBT splitters are widely accepted and used in passive networks, especially for instances where the split configuration is smaller (1x2, 1x4, etc). With the development of the technology, FBT splitters can be deployed in a cost- effective manner.

PLC Splitter is a micro-optical element using photolithographic techniques to form optical waveguide at medium or semiconductor substrate for realizing branch distribution function Technical Index.

With the latest technology, PLC splitters offer a better solution for applications when larger split configurations (1x16, 1x32, 1x64, etc) are required. To achieve this, waveguides are fabricated using lithography onto a silica glass substrate, which allows for routing specific percentages of light. As a result, PLC splitters offer very accurate and even splits with minimal loss in an efficient package.

FBT Splitter Compared With PLC Splitter
FBT Coupler are mature technology types, it is low cost and easy to make, but fused fiber optic splitters optical loss are sensitive to wavelength and this is a big disadvantage. PLC fiber optic splitters are small size and wide working wavelength, which are more reliable and suitable to use in passive optical network fiber optic splitting.

As the rapid growth of FTTx worldwide, the requirement of larger split configurations for these networks is increasing. Since the performance benefits and overall low cost ofplcsplitter, which serves mass subscribers, becomes the ideal solution for these types of applications currently.

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March 01, 2013

SFP Transceiver And SFP Plus Transceiver For Networking System

As the continuous increasing of the transmission capacity, determined the optical fiber communication become the major means of transmission in the modern telecommunication network system. Both sfp(small form-factor pluggable) andsfp plus(SFP+)transceivers are widely used in this field. But how much do you know about them?

SFP Transceiver is a compact optical transceiver used in optical communications for both telecommunication and data communications applications, which are designed to support SONET/SDH, Gigabit Ethernet, Fiber Channel and other communications standards.

SFP Transceivers can be acquired with a variety of receiver and transmitter types. Users can choose the right SFP transceiver for each fiber optic link they are deploying to provide the required reach depending on the type of optical fiber they are using (Multi Mode or Single Mode Fiber). SFP transceivers are available in several different categories including 850 nm 550m MMF (SX), 1310 nm 10 km SMF (LX), 80 km (ZX), 120 km (EX or EZX), CWDM and DWDM. SFP transceivers are also available with a copper cable interface to connect to unshielded twisted pair networking cable. Thecopper transceivercan be installed into optical SFP slots enabling an optical Ethernet port (1000Base-X) to be converted into a copper Ethernet port (1000Base-T) either in the field or in production.

10G Ethernet products are coming to fit the increasing demand for bandwidth in fiber optic technology today . While, SFP plus is the most popular 10G fiber optic transceiver currently. It is widely used for 10Gbit/s data transmission applications like data center, enterprise wiring closet, and service provider transport applications.

SFP plus is the upgraded version of the former SFP transceivers (also called MINI GBIC), with higher data rate and new industrial standards. SFP+ is with more compact size compared with the former 10G X2 and Xenpak transceivers, it has greater ability for density installations. 10G SFP+ is ideally suited for datacom and storage area network (SAN/NAS) applications based on the IEEE 802.3ae and Fiber Channel standards, Fiber Channel 10G, 8.5G, 4.25G, 2.125G, 1.0625G, 10G BASE- SW/SR/LR/ER, 1000 Base-SX Ethernet.

Digital diagnostic functions is built in the SFP Plus transceiver, the power consumption is always less than 1W and its excellent EMI performance allow system design with high port density. This is an green product which compliant the RoHS and it will certainly replace theSFP TransceiverModule in next few years.

The SFP+ module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. The SFP plus module provides differential termination and reduce differential to common mode conversion for quality signal termination and low EMI. SFI typically operates over 200 mm of improved FR4 material or up to about 150mmof standard FR4 with one connector.

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