Fiber optic connectors, detachable (active) device connected between the fiber and the fiber, the two fiber end face precision docking up to launch the optical output of light energy to maximize the coupling to the receiving fiber,and because of its involvement in the optical link system impact be minimized, which is the basic requirements for fiber optic connectors. To a certain extent, fiber optic connectors affect the reliability and the performance of optical transmission systems.

Fiber Optic Connector is an important components used in the fiber optic network. It is also the key part used in fiber optic patch cord and fiber optic pigtail. There are many kinds of fiber optic connectors.we supply one piece fiber optic connectors various types, including standard connectors and irregular types, epoxy types. And fiber optic types include: SC fiber optic connector,FC fiber optic connector,ST fiber optic connector,LC fiber optic connector,MU fiber optic connector,SC/APC fiber optic connector,FC/APC fiber optic connector,etc.both Single mode fiber optic connector and multimode fiber optic connector available.

There are Single mode fiber optic connector and Multimode fiber optic connector, Single mode fiber optic connectors can be with PC, or UPC or APC polish, while Multimode fiber optic connectors only with PC or UPC polish. PC or UPC or APC refer to how we polish the ferrule of the fiber optic connectors. Judging from the out looking, Multimode connectors are usually with black boot or beige color, Single mode PC and UPC ones are usually with blue or black color, Single mode APC is with green color. Insertion loss is important technical data of the fiber optic connectors. The smaller the better. APC insertion loss is smaller than UPC, UPC is smaller than PC.

Fiber optical connectors are used to join optical fibers where a connect/disconnect capability is required. There are many types of connectors, the commonly types are LC, SC, FC, ST, MU, E2000.

LC is Lucent Connect or Little Connector or Local Connector. Its ferrule diameter is 1.25mm based on standard of IEC 61754-20. They are often found on small form-factor pluggable transceivers.

SC is Subscriber Connector or square connector or standard connector. Its ferrule diameter is 2.5mm and based on the standard of IEC 61754-4. SC connectors offer excellent packing density and their push-pull design reduces the chance of fiber end face contact damage during connection; frequently found on the previous generation of corporate networking gear, using GBICs.

FC’s long form is ferrule connector or fiber channel. FC connector has same ferrule diameter as SC but standard (IEC-61754-13). FC connectors need to be mated more carefully than the push-pull types due to the need to align the key, and due to the risk of scratching the fiber end face while inserting the ferrule into the jack. FC connectors have been replaced in many applications by SC and LC connectors.

ST’s long form is straight tip. The ferrule diameter is 2.5mm and according to standard IEC 61754-2. ST has a key which prevents rotation of the ceramic ferrule, and a bayonet lock similar to a BNC shell.

MU (Miniature unit Coupling) connector is the SC connector is currently the most used based on the developed world's smallest single-core optical fiber connector, developed by NTT.

At last, this article is coming from Fiber optic products site: http://www.ingellen.com/blog/what-is-fiber-optical-connectors.html

Fiber optic media converter
Fiber optic media converter, also known as fiber transceivers or ethernet media converters, are simple networking devices that make it possible to connect two dissimilar media types such as twisted pair such as Cat 5 or Cat 6 cable with fiber optic cabling. They are important in interconnecting fiber optic cabling-based systems with existing copper-based, structured cabling systems.


By making this transition, media converters allow organizations to extend old legacy networks with the latest technology, instead of being tied to what the network was started with. Or even worse, throwing out the old network and starting from scratch. For example, fiber optic media converters allow standard copper based Cat5 and Cat6 LAN networks to work with a fiber optic back bone which provides much higher bandwidth.

Media conversion types
Fiber media converter support many different 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. Media converter types range from small standalone devices and PC card converters to high port-density chassis systems that offer many advanced features for network management.
Media Converter is normally used in the actual network environment that the Ethernet cable can’t cover, and have to use optic fiber to extend the transmission distance. The low loss and high electric magnetic resistance of fiber make the network transmission distance from 100m to 120km, and also improve the data communication quality. At the same time, it plays an important role in connecting the last-mile fiber cable to MAN or more outer layer network.

As the main supplier of fiber optic networks products in China, Ingellen offers kinds of fiber optic media converters, such as 10/100M fiber media converter, 10/100/1000M Ethernet media converter, SFP optic media converter, media converter chassis and media converter with 2 Fiber Ports & 3 TP Ports. In the coming future, we will push SNMP management media converter, 802.3ah OAM-Compliant media converter, power source equipment, powered device, fiber optic modem, etc. into market.

HP transceiver modules are available which support data rates from 100Base (100Mbit/s), up to the 10G Base (10 Gbit/s). Transceiver modules are also available for different types of cabling such as cat 5 copper, and different grades of optical fibers so please ensure that you are purchasing the correct type of transceiver for network. The following are some hot HP transceivers.

aj716a
Specifications
Product Number: AJ716A
Product Name: HP 8GBase-SR 850nm SFP+
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP+
Data Rate: 8Gbps
Wavelength: 850nm
Datarange: 150m
Connector Type: LC Duplex
Cable Type: Multi-Mode Fiber (MMF)

j4858c
Specifications
Product Number: J4858C
Product Name: HP 1000Base-SX SFP
Manufacturer: Ingellen
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1.25Gbps
Wavelength: 850nm
Datarange: 550m
Connector Type: LC Duplex
Cable Type: Multi-Mode Fiber (MMF)

j4858b
Specifications
Product Number: J4858B
Product Name: HP 1000Base-SX SFP
Manufacturer: Ingellen
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1.25Gbps
Wavelength: 850nm
Datarange: 550m
Connector Type: LC Duplex
Cable Type: Multi-Mode Fiber (MMF)

j4859c
Specifications
Product Number: J4859C
Product Name: HP 1000Base-LX 10KM SFP
Manufacturer: Ingellen
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1.25Gbps
Wavelength: 1310nm
Datarange: 10km
Connector Type: LC Duplex
Cable Type: Single-Mode Fiber (SMF)

j8436a
Specifications
Product Number: J8436A
Product Name: HP 10GBase-SR 300M X2
Manufacturer: Ingellen
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: X2
Data Rate: 10Gbps
Wavelength: 850nm
Datarange: 300m
Connector Type: SC Duplex
Cable Type: Multi-Mode Fiber (MMF)

As a professional manufacturer of fiber optic products, Ingellen committed to providing a full range of HP products to all, such as SFP Transceivers, X2 Transceivers, XENPAK Transceivers, XFP Transceivers, SFP+ Transceivers, GBIC Transceivers. Their HP compatible transceivers are with top quality and best price, you could save a lot of money there.

About GLC-SX-MM
GLC-SX-MM SFP transceivers are high performance modules that support a data-rate of 1.25Gbps and can transmit data up to 550m over multi-mode fiber.GLC-SX-MM is 1000Base-SX SFP fiber optic transceiver for multimode fiber and it works at 850nm wavelength, Cisco GLC-SX-MM SFP is compatible with IEEE 802.3z and could reach 550 meter working distance via 50/125 multimode fiber, on 62.5/125 multimode fibers it could reach 220 meters. GLC SX MM SFP is hot swappable module that fit for Gigabit Ethernet port or slot and link the port with the network, GLC SX MM is about 1.3 cm x 5.7 cm x 0.9 cm in dimension, and 75g in weight.

The features of GLC-SX-MM
Interfaces/Ports: 1 x 1000Base-SX
Interfaces/Ports Details: 1 x LC Duplex Connector 1000Base-SX
Dimensions: 0.33″ Height x 0.53″ Width x 2.22″ Depth
Up to 1.25Gb/s bi-directional data links
Duplex LC Connectors
Hot-pluggable SFP footprint
Built-in digital diagnostic functions
850nm VCSEL laser transmitter
Up to 550m on 50/125μm MMF
Metal enclosure for lower EMI
Single 3.3V power supply
Low power dissipation

Applications of GLC-SX-MM
Gigabit Ethernet between switches, from switches to Wireless LAN Controllers, between switches and firewalls.
Fiber Channel – Connecting servers to NAS or SAN devices.

GLC-SX-MM is the upgrade version of WS-G5484
GLC-LH-SM uses the 1310nm SMF which upto 10km distance but it usually more expensive, the GLC-SX-MM SFP transceiver can treat as the upgrade version of the GBIC transceiver WS-G5484. and the SFP+ transceiver SFP-10G-SR is called SFP plus transceiver which it is not only the upgrade version of GLC-SX-MM but also develop the fiber optic network to a new level with XENPAK transceiver, XFP transceiver, X2 transceiver.

For more information, please visit http://optical-networking-products.com/?p=69

Module transceivers serve a very important purpose in a large scale network, far outside the grasp of the basic home user. When you are choosing a set of transceivers for your network you will need to determine which brand you wish to buy. There are many of course but you have probably been informed as to the durability and usability of Cisco products. Cisco is famous for their networking equipment. Such as Optical Networking，Cisco router, Cisco switch, and more. And here, let us take an eye on Cisco Optical networking products. In other words, let learn Cisco via Cisco transceiver module.

Concept:
Cisco Transceiver Modules support Ethernet, Sonet/SDH and Fibre Channel applications across all Cisco switching and routing platforms. Cisco pluggable transceivers offer a convenient and cost effective solution for the adoption in data center, campus, metropolitan area access and ring networks, and storage area networks. Cisco portfolio of hot pluggable interfaces offers a rich set of choices in terms of speeds, protocols, reaches and supported transmission media. Cisco transceiver can be divided into the following categories. Cisco SFP, Cisco X2, Cisco XENPAK, Cisco XFP, Cisco SFP+, Cisco GBIC, Cisco CWDM，Cisco DWDM and Cisco MUX / DEMUX Modules.

What need to notice that Cisco products are indeed very durable and they will interface well with other Cisco products. In addition to that, Cisco’s product support has always been superb, which means you can rely on replacements or immediate technical support in the event anything should happen to your established network.

There are two major problems with using Cisco transceivers, one of which is the price. Then again one could argue that you get what you pay for, especially in terms of network related items. The other disadvantage is the fact that you will need a network fully compliant with the Cisco hardware all the way down to transceivers on the network cards themselves. If your computers are under warranty it may be difficult to replace the network cards with compliant hardware which indicates you would need to have custom machines built. Whether or not this is possible in your case will of course remain to be seen.

At last, how about your opinion? So remember when they said we couldn’t have it all?

Source: http://www.fiber-optical-networking.com/introduce-of-cisco-transceivers.html

Cisco is famous for their networking equipment. Such as Optical Networking，Cisco router, Cisco switch, and more. And here, we gathered some hot Cisco SFP transceivers for all.

SFP transceivers are capable of supporting SONET, Gigabit Ethernet, Fibre Channel, and several other communications standards. In the near future, it is going to expand to SFP+ .Then, data rates of 10 Gbits/s will be possible, including 8 gigabit Fire Channel. SFP+ modules have some of their circuitry on the outside, as compared to Xenpak or XFP type modules which have everything inside. There is a great variety of SFP transceivers available each with different transmitter or receivers. This allows the user to configure and customize the transceiver to get the proper optical reach with either multi-mode fiber or single-node optic fiber type.

There are four categories of optical SFP modules: SX, which is 850nm, LX, which is 1310 nm, ZX, which is 1550 nm and DWDM. They all have an interface of copper cable, which allows a host device to communicate via USTP (unshielded twisted-pair) network cable. CWDM and single-optic cables also exist, and they are 1310/1490 up upstream and downstream.

GLC-SX-MM Specifications
Product Number: GLC-SX-MM
Product Name: Cisco 1000Base-SX SFP
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1Gbps
Wavelength: 850nm
Data range: 550m
Connector Type: LC Duplex
Cable Type: Multi-Mode Fiber (MMF)

GLC-LH-SM Specifications
Product Number: GLC-LH-SM
Product Name: Cisco 1000Base-LX/LH SFP
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1Gbps
Wavelength: 1310nm
Data range: 10km
Connector Type: LC Duplex
Cable Type: Single-Mode Fiber (SMF)

GLC-ZX-SM Specifications
Product Number: GLC-ZX-SM
Product Name: Cisco 1000Base-ZX 70KM SFP
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1Gbps
Wavelength: 1550nm
Data range: 70km (43.5 miles)
Connector Type: LC Duplex
Cable Type: Single-Mode Fiber (SMF)

SFP-OC3-MM Specifications
Product Number: SFP OC3-MM
Product Name: Cisco OC3 MM SFP
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 155Mbps
Wavelength: 1310nm
Data range: 2km (1.2 miles)
Connector Type: LC Duplex
Cable Type: Multi-Mode Fiber (MMF)

GLC-BX-U Specifications
Product Number: GLC-BX-U
Product Name: Cisco 1000Base-BX-U BiDi TX1310/RX1490nm 10km
Form Factor: Plug-in module
Device Type: Transceiver module
Product Type: SFP
Data Rate: 1.25Gbps
Wavelength: Tx1310nm/Rx1490nm
Data range: 10km (6.2 miles)
Connector Type: LC Simplex
Cable Type: Single-Mode Fiber (SMF)

surce: http://optical-networking-products.com/?p=63

SGMII SFP is high performance, cost effective modules. This article is to Learn about the SGMII SFP Transceiver. The SGMII (Serial Gigabit Media Independent Interface) is a supplement of MII, a standard interface used to connect an Ethernet MAC-block to a PHY. It is utilised for Gigabit Ethernet (contrary to Ethernet 10/100 for MII). It differs from GMII by its low-power and low pin count serial interface (commonly referred to as a SerDes). To carry frame data and link rate information between a 10/100/1000 PHY and an Ethernet MAC, SGMII uses a differential pair for data signals and for clocking signals, with both being present in each direction (i.e., transmit and receive), giving 8 signal lines in total.

A typical chip-to-chip SGMII application may use between 12 to 48 full-duplex SGMII for 10/100/1000-Mbps Ethernet or Gigabit Ethernet links. For applications with SGMII links, the LVDS I/Os in Stratix V, Stratix IV, Stratix III, Cyclone V, Cyclone IV, Arria V, and Arria II GX FPGAs (fast speed grade) and HardCopy IV and HardCopy III ASICs (Altera devices with SGMII-capable LVDS I/Os) provide a preferred solution with low-power differential signaling capability, because these devices offer up to 132 LVDS transmitter and receiver pairs in the largest devices.

SGMII SFP is designed for 100BASE-LX applications of 10km with SMF. The transceiver consists of two sections: The standard SFP part and the PHY part built with SGMII interface. The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or link)/Disable/Fault information via I2C register access. The standard serial ID information Compatible with SFP MSA describes the transceiver’s capabilities, standard interfaces, manufacturer and other information. The host equipment can access this information via the 2-wire serial CMOS EEPROM protocol.

SGMII SFP transceiver module is used to connect Gigabit Ethernet to Fast Ethernet, SGMII SFP meets SFP Multi-Source Agreement (MSA) and SFF-8472. Such as between switch and switch interface, switched backplane applications and router/service interface. To future information, please turn to professional manufacturer of fiber optic transceiver. All SGMII SFP transceiver modules are 100% compatible with original Cisco SFP modules, such as GLC-FE-100FX and GLC-FE-100LX. Product details be provided.

Optical Transceiver is typically used to create high bandwidth links between network switches. GBIC, SFP, XENPAK, X2 and XFP are all form factors of Optical Transceiver providing up to 10 Gbps data throughput. With Optical Transceiver you can also create data transmission links capable of long range transmission.
Optical Transceivers include both a transmitter and a receiver in the same component. These are arranged in parallel so that they can operate independently of each other. Both the receiver and the transmitter have their own circuitry so that they can handle transmissions in both directions.

Optical Transceivers typically interface with two common types of fiber optic cables, single mode and multimode. Single mode is an optical fiber that will allow only one mode to propagate. The fiber has a very small core diameter of approximately 8 μm. It permits signal transmission at extremely high bandwidth and allows very long transmission distances.
Multimode fiber optic cable supports the propagation of multiple transmission modes (wavelengths). Multi mode fiber typically has a core diameter of 50 to 100 μm with a refractive index that is graded or stepped. It allows the use of inexpensive LED light sources and connector alignment and coupling is less critical than single mode fiber. Distances of transmission and transmission bandwidth are less than with single mode fiber due to dispersion.
Some fiber optic transceivers can be used for both single mode and multimode cables. Common connector types for Optical Transceivers include Biconic, D4, ESCON, FC, FDDI, LC, Loopback, MTP, MT-RJ, MU, SC, SMA, and ST. General performance specifications to consider include wavelength, operating voltage, data rate, and bandwidth.

Important receiver performance parameters to consider when searching for Optical Transceivers include sensitivity, responsivity, and receiver rise time. The sensitivity specifies the weakest optical signal that can be received. The minimum signal that can be received depends on the noise floor of the transceiver module module front end. The measure of responsivity is the ratio of radiant energy expressed in watts (W) incident on the device, to the resulting photocurrent expressed in amperes (A). It is represented as an absolute sensitivity expressed by A/W. In the approximation of a step function, the receiver rise time is the time required for a signal to change from a specified 10% to 90% of full power.

Rise time is a way of expressing the speed of the receiver. Important transmitter performance specifications to consider include light source, spectral width, and maximum optical output power and transmitter rise time. The light source can be LED or laser diode. Light Emitting Diodes (LEDs) have relatively large emitting areas and as a result are not as good light sources as Laser diodes. However, they are widely used for short to moderate transmission distances because they are much more economical. Laser Diodes (LDs) can couple many times more power to optical fiber than LEDs. They are primarily used for applications that require the transmission of signals over long distances. In the approximation of a step function, the transmitter rise time is the time required for a signal to change from a specified 10% to 90% of full power. Rise time is a way of expressing the speed of the transmitter.

Common features for fiber optic transceivers include clock recovery, pigtail, stand alone, and signal input and output choices. An important environmental parameter to consider is the operating temperature.

Major optical transceiver brand:
Major brands like Cisco transceiver, HP transceiver, 3Com transceiver, Finisar transceiver，Juniper transceiver, Foundry transceiver, Extreme transceiver, Netgear transceiver, Force10 transceiver, Brocade transceiver, Dell transceiver, Enterasys transceiver and etc.

Source: http://fiber-optical-transceiver-module.com/what-is-a-optical-transceiver.html

As industry professional personnel, we know cisco is one of the most famous transceiver brand in the lightwave communication field. Cisco supplies high quality transciever module, router, switch and other products. Although very famous, but we also know that the very expensive. Some people try to search other brands to take the place of  Cisco transceiver, just like Ingellen.



Ingellen Technology Co. Ltd specialized in the developing and manufacturing of fiber optic transceivers and components and related products since 2005. It is China fiber optic manufacturer and China fiber optic supplier in Shenzhen City of Guangdong province. The products are known for the reliable products quality, competitive price and fast delivery as well as good after-sales service.

All  transceivers are 100% compatible with major brands like Cisco transceiver, HP transceiver, 3Com transceiver, Juniper transceiver, Foundry transceiver, Extreme transceiver, Netgear transceiver, Force10 transceiver, Brocade transceiver, Dell transceiver, Enterasys transceiver, Finisar transceiver and etc. Make a good chioce now. This article come from fiber optic networking site.

The small form-factor pluggable (SFP) is a compact, hot-pluggable transceiver used for both telecommunication and data communications applications. It supports data rates up to 10 Gbit/s and available with a variety of transmitter and receiver types. SFP+ supports 8 Gbit/s Fibre Channel, 10 Gigabit Ethernet and Optical Transport Network standard OTU2. It is a popular industry format supported by many network component vendors.

The Cisco SFP (Small Form-Factor Pluggable) Gigabit Interface Converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network (Figures 1, 2 and 3). SFP can be used and interchanged on a wide variety of Cisco products and can be intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-EX, 1000BASE-ZX, or 1000BASE-BX10-D/U on a port-by-port basis. Cisco Transceiver Modules support Ethernet, Sonet/SDH and Fibre Channel applications across all Cisco switching and routing platforms. Cisco pluggable transceivers offer a convenient and cost effective solution for the adoption in data centers, campuses, metropolitan area access and ring networks, and storage area networks.

And here, Ingellen supply the same transceiver with cheap price. Cisco fast Ethernet SFP modules and Cisco Gigabit Ethernet SFP Modules. Including 1.25Gbps SFP Module, 2.125Gbps/2.5Gbps SFP Module, 622Mbps SFP Module, 155Mbps SFP Module, 1.25Gbps/2.5Gbps BIDI SFP Module, 2.5Gbps/1.25Gbps BIDI SFP Module, 155Mbps/2.5Gbps BIDI SFP Module, 2.5Gbps/155Mbps BIDI SFP Module, 622Mbps/2.5Gbps BIDI SFP Module, 2.5Gbps/622Mbps BIDI SFP Module

All of our SFP transceiver are 100% compatible with original Cisco SFP module, including GLC-SX-MM, GLC-LH-SM, GLC-ZX-SM, SFP-OC3-MM, DS-SFP-2G-FC-SW, SFP-OC12-LR2, GLC-BX-U, GLC-BX-D, GLC-FE-100BX-D, GLC-FE-100BX-U, etc.