Fiber Optics Solutions

petak, 30.01.2015.

Using Fiber Optic Transceiver to Achieve Long Distance Transmission

Recently we met a big project that involved the network channel installation about digital optical transmission equipment, in fact, it is not so complex as the organization network ways, just we can use with SDH and downward access with switches over backbone line, but because of the SDH equipment covers all the site in the progress of construction, so it need to be solved for long distance network connections by another way. Fortunately, we have much experiences in using fiber optic transceiver, this page we will introduce the application of fiber optic transceiver in the network construction progress which combines with this experience.


1. Multimode fiber optic transceiver and multimode fiber optic cables

Fiber optic transceiver is an ethernet transmission device that can exchange the light signal and electrical signal, fiber optic cables that can transfer data over network can be divided into multimode fiber optic cables and single-mode fiber optic cables, fiber core diameter of multimode fiber cable is 50~62.5 Ľm and the single-mode fiber cable core diameter is 8.3 Ľm. In fact, these data are not intuitive for us, we can judge it only by colors, the multimode fiber pigtail's color is orange and the single-mode fiber cable is yellow. From the network applications, because of multimode fiber optic cable can transmit for not tool long distance, it just can be used between the buildings, but because of the price is relatively cheap, so there are still some people like to use it. HP J4858C SFP transceiver in figure 1.


Figure 1. HP J4858C SFP 850nm 550m Multimode Optical Transceiver


HP J4858C


2. Single-mode fiber optic transceiver series

With the development of technology, this phenomenon that single mode fiber cables applied into the long distance network installation is more and more popular, nowadays many customers use fiber optic transceiver directly, just we call it FTTH (fiber to the home), and these different types of fiber optic transceivers we will introduce to you all based on single mode fiber cables. HP transceiver JD119B Single-Mode SFP in figure 2.


Figure 2. HP JD119B X120 1310nm 10km Single-Mode Optical Transceiver


HP transceiver JD119B


Dual Fiber Single Network Port

The dual fiber single network port fiber optic transceiver just use two fibers, a fiber is used to receive and another is used to transmit. A group of fiber optic transceivers can achieve the exchange of electrical signal and light signal. The network device may a switch, also may a server, well, we can see the fiber optic transceiver as PC, which connected with the switch is straight through cable, and with the server is cross cable. With the development of technology, the fiber optic transceiver ports have been generally made adaptive mode (automatic matching cross-line and direct line), it also bring conveniences to the projects.


Single Fiber Single Network Port

With the continuous development of business, we are faced with an unavoidable problem that the shortage of fiber resources. Some companies want to connect the network but there is only a fiber, it is time to use the single mode fiber optic transceiver, it means that receive and transmit signal over a fiber, this product use WDM technology, related product: passive cwdm mux (shown as the figure). The wavelength usually are 1310nm and 1550 nm, and the 1310 nm stands for transmission, and the 1550 nm stands for receiving.


cwdm


Single Fiber Dual Ethernet Port

With the development of business, some units put forward higher requirements, for example, we organized network for one bank, he asked us to provide two Ethernet lines to separate from. it needs mature and safe fiber optic transceiver device technology, in order to simply the cost of fiber optic devices and achieve the networks over one fiber, we try our best to save the fiber sources. Our solution is that using 10/100 m adaptive port devices, access into the Ethernet link which can reach 60 km, also keep it to support network management functions.


3. Gigabit fiber optic transceivers and integrated optical interface switches

The advantages of using fiber optic transceiver to connect the network, not only stable, but also it has fast speed, 100M full duplex and even 1000M duplex. For example, there is a Engineering machinery manufacturing enterprise, they use the 100M link to network at the beginning, but due to the requirements of the developments of business, we need to provide higher speed to them, fortunately, the progress of the technology provide good products for us, just gigabit fiber cable, from the appearances of fiber cable, it has no differences with 100M fiber transceivers. Yeah, the fiber optic transceiver we used can be directly plugged into the original power supply unit box, which just needs to change the fiber optic transceiver and then upgrade the bandwidth from Fast to Ethernet. Otherwise, we found that the education industry prefer to use an integrated gigabit fiber interface on the switches.


Article Source: Fiber Optical Networking


30.01.2015. u 09:27 • 0 Komentara • Print • #

srijeda, 28.01.2015.

How to Installing or Removing Transceiver Modules (Part I)

After learning more about a variety basic or conclusive knowledge of transceiver modules these days, I believe you must have a new understanding or a deeper perception on the transceiver modules. In fact, that's just a tip of iceberg. My blog will continue to bring more information about the fiber optic transceiver modules, such as SFP transceiver, SFP+ transceiver, XFP and so on. Also the other knowledge of fiber optic communication, network, telecom etc. to all of my friends who like this field and like my blog. Since we discuss so much about the theories of the transceiver modules, today, I prefer to talk about something practicle, for instance, some knowledge about installing or removing different kinds of transceiver modules.


As we know, the commonly used transceivers include the following 8 types:SFP Cisco



The following content will cover the knowledge of installing or removing for these types of transceiver modules, namely today's main topic. But first of all, I want to talk about some preparations and considerations before starting the main topic.


What equipment should we need to install a transceiver module?


When installing a transceiver module, some tools you should need in order to make your installation go well. The following is a list of such tools which are recommended:




What should we need to know before or during installing or removing a transceiver module?


In order to ensure the safety and avoid leading the unnecessary losses, there are some items which we should consider before and during installing and removing the transceiver modules.



How to Install or Remove Transceiver Modules


1. How to Install or Remove GBIC Transceiver Module


GBIC Installing Steps



step 1: Firstly you should attach your ESD preventive wrist strap to your wrist to prevent ESD occurrences.


step 2: Remove the GBIC transceiver from its protective packaging.


step 3: Verify that the GBIC transceiver module is the correct model for the intended network.


step 4: Using your thumb and forefinger, grip the sides of the GBIC transceiver and carefully align it with the GBIC socket opening on the device.


step 5: You can now carefully insert the GBIC transceiver module through the socket flap and slide it into the GBIC socket. A click will be heard once the GBIC is locked into the socket. Please ensure that the GBIC is inserted carefully straight into the socket.


(Please note: you should keep the protective dust plugs in place until making a connection. You should also inspect and clean the SC connector end faces immediately prior to making a connection.)



step 6: The dust plugs from the network interface cable SC connectors can now be removed, ensuring that these are saved for later use.


step 7: Next, inspect and clean the SC connector’s fiber optic end faces.


step 8: Remove the dust plugs from the optical bores on the GBIC transceiver module.


step 9: You can now attach the network interface cable SC connector to the GBIC.


GBIC Removing Steps


Please be aware that GBIC transceiver modules are static sensitive so you should always use an ESD wrist strap or similar grounding device when coming into contact with the device. Transceiver modules can also reach high temperatures so may be too hot to be removed with bare hands.


step 1: Disconnect the cable from the GBIC connector.


step 2: Release the GBIC from the slot by pressing the two plastic tabs located on either side of the GBIC (They must be pressed at the same time).


step 3: Once released carefully slide the GBIC straight out of its module slot.


step 4: The GBIC transceiver module should now be placed safely into an antistatic bag.


Warm Tips


About How to Install or Remove SFP transceiver and orther Module will be continued next paper. Please focus on my blog entries: Fiber Optic Transceiver Installing Steps.


28.01.2015. u 08:51 • 0 Komentara • Print • #

ponedjeljak, 26.01.2015.

FAQ about Gigabit Ethernet Transceiver Modules part 2

In the last paper we discuss the "FAQ we need to know about Gigabit Ethernet Transceiver Modules", and in this paper we are going to talk atout 10Gigabit Ethernet fiber optic transceiver.


Q:What are the main types of Transceiver Module?


A:Transceiver modules are available in various form factors, and can be optical (fibre optic) or designed for copper wiring. Different transceiver modules support different data rates, from 100Base (100 Mbit/s) up to 100GbE (100 Gbit/s). There are some common types of transceiver modules as the following:



Q:What tools do I need when installing a Transceiver Module?


A:The following is a list of the tools which are recommended when installing a Transceiver module:



Q:What are CWDM and DWDM Transceiver Modules?


A:Wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light. WDM is divided into different wavelength patterns, conventional/coarse wavelength-division multiplexing (CWDM) and dense wavelength-division multiplexing (DWDM). In general, a CWDM (coarse WDM) MUX/DEMUX deals with small numbers of wavelengths, typically eight, but with large spans between wavelengths (spaced typically at around 20nm). A DWDM (dense WDM) MUX/DEMUX deals with narrower wavelength spans (as small as 0.8nm, 0.4nm or even 0.2nm), and can accommodate 40, 80, or even 160 wavelengths. CWDM and DWDM transceiver modules are the transceiver modules which are combined the CWDM or DWDM technology. The main advantage of both CWDM and DWDM is that they allow you to expand your networks capacity without the need for physical fibre optic cabling. Click and see 1GB DWDM transceiver price.


Q:What is DOM support?


A:DOM, short for Digital optical monitoring, is a feature which allows you to monitor many parameters of the transceiver module in real-time. DOM allows you to monitor the TX (transmit) and RX (receive) of the module, as well as input/output power, temperature, and voltage. Network administrators can then check and ensure that the module is functioning correctly.


Q:What is a ‘Rugged’ (RGD) Transceiver Module?


A:You may be interested in the “-RGD” in the product number of some transceiver module. In fact, these are enhanced transceiver modules which have been designed for greater durability, and can operate under more extreme conditions. Rugged transceivers may feature enhanced ESD protection, and extended operating temperature range.


Q:What are the main types of 10 Gigabit Ethernet SFP+ Modules?


A:10 Gigabit Ethernet is 10 times faster than gigabit Ethernet, with a data rate of 10 Gbit/s which is defined by the IEEE 802.3ae-2002 standard. The following list shows us fibre SFP module 10G types.



Q:How about Fiberstore Transceiver Modules?


A:Fiberstore provides a full set of comaptible fiber optic transceiver module solution cover all the famous brands, such as Cisco, HP, Finisar and so on, which can satisfy you with a full range of services. We guarantee the compatibility of all of our transceiver modules, and always ensure that they meet or surpass the standards set by the manufacturers of the devices in which they are intended for use.


Finisar, especially, you can find a full product line of our Cisco SFP with a good price and enjoy same-day shipping, such as GLC-FE-100LX, GLC-FE-100LX-RGD, GLC-LX-SM-RGD and Cisco compatible copper SFP, etc. According to your requirements, we welcome any inquiry for customized fiber optical transceiver. In addition, a variety of fiber patch cables are also offered with a good price and high quality. Fiberstore will give you a pefect solution for your network transmission.


Article Source: Transceiver Modules FAQ Pool


26.01.2015. u 09:19 • 0 Komentara • Print • #

srijeda, 21.01.2015.

Introduction of Cisco QSFP Cables

What is QSFP?


The Quad Small Form-factor Pluggable (QSFP) is a compact, hot-pluggable transceiver used for data communications applications. It interfaces networking hardware to a fiber optic cable. It is an industry format jointly developed and supported by many network component vendors, allowing data rates from 4x10 Gbit/s. The format specification is evolving to enable higher data rates; as of May 2013, highest possible rate is 4x28 Gbit/s.


What is QSFP+ Cable?


QSFP+ Cable Assemblies are high speed, low latency, twinaxial copper cables used for high speed network backbones, enterprise network switching and network storage. The cables offer a highly cost-effective way to establish a 40 Gigabit link between QSFP+ ports of QSFP+ switches within racks and across adjacent racks. QSFP+ cables are used for 40GBASE and Infniband standards, to maximize performance.We provide QSFP+ cables including 40G QSFP+ passive copper cables, active copper cables and active optical cables. In addition, Optical QSFP cables also have high speed data rates and support Ethernet, Infiniband, Fibre Channel and other applications. One can buy them from various reputable online stores. These cables are reasonably priced and available in different lengths.


Cisco QSFP+ Cables


Cisco 40GBASE QSFP+ portfolio offers customers a wide variety of high-density and low-power 40-Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core and distribution layers, and service provider applications.


Various types of Cisco QSFP+ cables are:


Cisco QSFP to Four SFP+ Copper Breakout Cables

Cisco QSFP to four SFP+ copper direct-attach breakout cables (Figure 1) are suitable for very short distances and offer a very cost-effective way to connect within racks and across adjacent racks. These breakout cables connect to a 40G QSFP port of a Cisco switch on one end and to four 10G SFP+ ports of a Cisco switch on the other end. Cisco currently offers passive cables in lengths of 1, 3, and 5 meters and active cables in lengths of 7 and 10 meters.


QSFP to 4xSFP passive copper cable


Figure 1. Cisco QSFP to Four SFP+ Copper Breakout Cables


Passive cables Ordering Information






































Part No.
Data Rate
Length
Cable Type
Connector Type
Temp. Range

QSFP-4SFP10G-CU1M
Up to 40G
1m
AWG30
QSFP+ to 4SFP+
0-70

QSFP-4SFP10G-CU3M
Up to 40G
3m
AWG30
QSFP+ to 4SFP+
0-70

QSFP-4SFP10G-CU5M
Up to 40G
5m
AWG30
QSFP+ to 4SFP+
0-70

Cisco QSFP to Four SFP+ Active Optical Breakout Cables


Cisco QSFP to four SFP+ active optical breakout cables are suitable for very short distances and offer a flexible way to connect within racks and across adjacent racks. Active optical cables are much thinner and lighter than copper cables, which make cabling easier. Active optical cables enable efficient system airflow and have no electromagnetic interference (EMI) issues, which is critical in high-density racks. These breakout cables connect to a 40G QSFP port of a Cisco switch on one end and to four 10G SFP+ ports of a Cisco switch on the other end. Cisco currently offers active optical breakout cables in lengths of 1, 2, 3, 5, 7, and 10 meters.


Cisco QSFP to QSFP Active Optical Cables


Cisco QSFP to QSFP copper direct-attach 40GBASE-CR4 cables are suitable for very short distances and offer a flexible way to connect within racks and across adjacent racks. Active optical cables are much thinner and lighter than copper cables, which make cabling easier. Active optical cables enable efficient system airflow and have no EMI issues, which are critical in high-density racks. Cisco currently offers active optical cables in lengths of 1, 2, 3, 5, 7 and 10 meters.


Ordering Information































































Part No.
Data Rate
Length
Cable Type
Connector Type
Temp. Range

QSFP-4X10G-AOC1M
Up to 40G
1m
AOC Cable
QSFP+ to 4SFP+
0-70

QSFP-4X10G-AOC2M
Up to 40G
2m
AOC Cable
QSFP+ to 4SFP+
0-70

QSFP-4X10G-AOC3M
Up to 40G
3m
AOC Cable
QSFP+ to 4SFP+
0-70

QSFP-4X10G-AOC5M
Up to 40G
5m
AOC Cable
QSFP+ to 4SFP+
0-70

QSFP-4X10G-AOC7M
Up to 40G
7m
AOC Cable
QSFP+ to 4SFP+
0-70

QSFP-4X10G-AOC10M
Up to 40G
10m
AOC Cable
QSFP+ to 4SFP+
0-70

Oznake: QSFP+, QSFP-4SFP10G-CU1M, QSFP-4SFP10G-CU3M, QSFP-4X10G-AOC7M, QSFP-4X10G-AOC3M

21.01.2015. u 08:56 • 0 Komentara • Print • #

ponedjeljak, 19.01.2015.

Optical Transceivers for 10 Gigabit Ethernet

Introduction


As 10 Gigabit Ethernet (10GbE) is introduced into networks the physical limitations and properties of optical fiber introduce new challenges for a network designer. Due to the increased data rate, fiber effects, such as dispersion (intermodal, chromatic or polarization), become a factor in the achievable distances of 10GbE links. This leaves the network designer with new decisions and trade-offs that he/she must understand and overcome.This paper provides an introduction to the world of optical fiber and covers the unique network design issues that 10GbE introduces into an optical fiber network.


In multimode fiber, the time it takes for light to travel through a fiber is different for each mode resulting in a spreading of the pulse at the output of the fiber referred to as intermodal dispersion. The difference in the time delay between the modes is called Differential Mode Delay (DMD). Intermodal dispersion limits multimode fiber bandwidth. This is significant because a fiber’s bandwidth determines its information carrying capacity, i.e., how far a transmission system can operate at a specified bit error rate.


10 Gigabit Ethernet


The IEEE 802.3ae 10 Gigabit Ethernet specification includes a serial interface referred to as 10GBASE-S (the “S” stands for short wavelength) that is designed for 850 nm transmission on multimode fiber. Table 2 provides the wavelength, modal bandwidth, and operating distance for different types of multimode fiber operating at 10 Gbps. Technical issues relating to the use of laser sources with multimode fibers (discussed in the previous section) has significantly limited the operating range of 10GbE over “FDDI grade” fiber. The “FDDI grade” multimode fiber has a modal bandwidth of 160 MHz*km at 850 nm and a modal bandwidth of 500 MHz*km at 1300 nm.


To address the operating range concern, a new multimode fiber specification had to be created for 10GbE to achieve multimode fiber operating distances of 300 m (as specified in the TIA/EIA-568 and ISO/IEC 11801 cabling standards). This new fiber is referred to by some as “10 Gigabit Ethernet multimode fiber” and is an 850 nm, laser-optimized, 50/125 micron fiber with an effective modal bandwidth of 2000 MHz*km and is detailed in TIA-492AAAC. Its key difference, relative to legacy multimode fibers, are the additional requirements for DMD specified in TIA-492AAAC enabled by a new measurement standard for DMD (TIA FOTP-220). As shown in Table 1, this fiber can achieve 300 m of distance with a 10GBASE-S interface. Many leading optical fiber vendors are actively marketing this new multimode fiber for 10GbE applications.



Description62.5 micron fiber50 micron fiberUnit
Wavelength850850850850850nm
Modal bandwidth (min)1602004005002000Mhz km
Operating range2-262-332-662-822-300m


There are two major factors which will likely drive use of this new “10GbE multimode fiber”:



  1. the popularity of short reach (300 m or less) 10GbE applications and

  2. the cost of 10GBASE-S interfaces relative to the others.


Evidence of the popularity of low cost, short distance 850 nm multimode Ethernet applications can be found in the number of 1000BASE-SX ports shipped for 1 Gigabit Ethernet. 1000BASE-SX operates up to 550 meters on multimode fiber and has garnered a large percentage of the total number of 1 GbE switch ports shipped. Ultimately the marketplace will determine the popularity of “10GbE multimode fiber”. The alternative is to use single-mode fiber over a 10GBASE-L or 10GBASE-E interface or the 10GBASE-LX4 interface, which supports both single-mode and multimode fiber over distances of 10 km and 300 m, respectively.


Where to Buy Optical Transceiver


Fiberstore is a professional manufacturer and supplier of optical networking solutions. We can supply 100% compatible fiber optic transceiver modules of many brands, SFP transceiver brand compatible such as, Cisco SFP, Dell SFP, HP SFP transceiver.. with a incredible discount. Especially, you can find a full product line of our New Cisco 10G SFP+ with a good price and enjoy same-day shipping (eg. SFP-10G-SR). According to your requirements, we welcome any inquiry for customized fiber optical transceiver. In addition, a variety of fiber patch cables are also offered with a good price and high quality. Fiberstore will give you a pefect solution for your network transmission.

19.01.2015. u 10:43 • 0 Komentara • Print • #

Optical Transceivers for 10 Gigabit Ethernet

Introduction


As 10 Gigabit Ethernet (10GbE) is introduced into networks the physical limitations and properties of optical fiber introduce new challenges for a network designer. Due to the increased data rate, fiber effects, such as dispersion (intermodal, chromatic or polarization), become a factor in the achievable distances of 10GbE links. This leaves the network designer with new decisions and trade-offs that he/she must understand and overcome.This paper provides an introduction to the world of optical fiber and covers the unique network design issues that 10GbE introduces into an optical fiber network.


In multimode fiber, the time it takes for light to travel through a fiber is different for each mode resulting in a spreading of the pulse at the output of the fiber referred to as intermodal dispersion. The difference in the time delay between the modes is called Differential Mode Delay (DMD). Intermodal dispersion limits multimode fiber bandwidth. This is significant because a fiber’s bandwidth determines its information carrying capacity, i.e., how far a transmission system can operate at a specified bit error rate.


10 Gigabit Ethernet


The IEEE 802.3ae 10 Gigabit Ethernet specification includes a serial interface referred to as 10GBASE-S (the “S” stands for short wavelength) that is designed for 850 nm transmission on multimode fiber. Table 2 provides the wavelength, modal bandwidth, and operating distance for different types of multimode fiber operating at 10 Gbps. Technical issues relating to the use of laser sources with multimode fibers (discussed in the previous section) has significantly limited the operating range of 10GbE over “FDDI grade” fiber. The “FDDI grade” multimode fiber has a modal bandwidth of 160 MHz*km at 850 nm and a modal bandwidth of 500 MHz*km at 1300 nm.


To address the operating range concern, a new multimode fiber specification had to be created for 10GbE to achieve multimode fiber operating distances of 300 m (as specified in the TIA/EIA-568 and ISO/IEC 11801 cabling standards). This new fiber is referred to by some as “10 Gigabit Ethernet multimode fiber” and is an 850 nm, laser-optimized, 50/125 micron fiber with an effective modal bandwidth of 2000 MHz*km and is detailed in TIA-492AAAC. Its key difference, relative to legacy multimode fibers, are the additional requirements for DMD specified in TIA-492AAAC enabled by a new measurement standard for DMD (TIA FOTP-220). As shown in Table 1, this fiber can achieve 300 m of distance with a 10GBASE-S interface. Many leading optical fiber vendors are actively marketing this new multimode fiber for 10GbE applications.



Description62.5 micron fiber50 micron fiberUnit
Wavelength850850850850850nm
Modal bandwidth (min)1602004005002000Mhz km
Operating range2-262-332-662-822-300m


There are two major factors which will likely drive use of this new “10GbE multimode fiber”:



  1. the popularity of short reach (300 m or less) 10GbE applications and

  2. the cost of 10GBASE-S interfaces relative to the others.


Evidence of the popularity of low cost, short distance 850 nm multimode Ethernet applications can be found in the number of 1000BASE-SX ports shipped for 1 Gigabit Ethernet. 1000BASE-SX operates up to 550 meters on multimode fiber and has garnered a large percentage of the total number of 1 GbE switch ports shipped. Ultimately the marketplace will determine the popularity of “10GbE multimode fiber”. The alternative is to use single-mode fiber over a 10GBASE-L or 10GBASE-E interface or the 10GBASE-LX4 interface, which supports both single-mode and multimode fiber over distances of 10 km and 300 m, respectively.


Where to Buy Optical Transceiver


Fiberstore is a professional manufacturer and supplier of optical networking solutions. We can supply 100% compatible fiber optic transceiver modules of many brands, SFP transceiver brand compatible such as, Cisco SFP, Dell SFP, HP SFP transceiver.. with a incredible discount. Especially, you can find a full product line of our New Cisco 10G SFP+ with a good price and enjoy same-day shipping (eg.SFP-10G-SR, SFP-10G-LR and SFP 10G LRM). According to your requirements, we welcome any inquiry for customized fiber optical transceiver. In addition, a variety of fiber patch cables are also offered with a good price and high quality. Fiberstore will give you a pefect solution for your network transmission.

Oznake: Cisco SFP, Dell SFP, 10G SFP+

19.01.2015. u 10:36 • 0 Komentara • Print • #

petak, 16.01.2015.

Some Knowldege About HP ProCurve Mini-GBICs and SFPs

About HP ProCurve


HP ProCurve was the name of the networking division of Hewlett-Packard from 1998 to 2010 and associated with the products that it sold. The name of the division was changed to HP Networking (also called HP ProCurve Networking) in September 2010 after HP bought 3Com Corporation. As the then-ProCurve division began to offer LAN switches, Core, Datacenter, Distribution, Edge, Web managed and Unmanaged Switches. The ProCurve was also used with Network Management, Routing and Security products. HP ProCurve transceivers as the part of its networking accessories that are applied to their corresponding switches or routers. Today, we will introduce some knowledge of the HP ProCurve Mini-GBICs and SFPs.


Products Involved In This Paper
ProCurve Gigabit-SX-LC Mini-GBIC (Product No. J4858A/J4858B/J4858C)


A small form-factor pluggable 1000BASE-SX SFP with 1LC port that provides a full-duplex Gigabit solution up to 550 m on multimode fiber.


J4858C


Fiberstore Solution:




ProCurve Gigabit-LX-LC Mini-GBIC (Product No. J4859A/J4859B/J4859C)


An SFP format gigabit transceiver with LC connectors using LX technology.


J4859A


Fiberstore Solution:




ProCurve Gigabit-LH-LC Mini-GBIC (Product No. J4860A/J4860B/J4860C)


A small form-factor pluggable (SFP) Gigabit LH transceiver that provides a full-duplex Gigabit solution up to 70 km on single-mode fiber.


J4860C


Fiberstore Solution:




Knowledge You Should Know About HP ProCurve Mini-GBICs and SFPs


For the above products, there usually are many questions about them. The following infomation will make you to know more about them.


Supported Platform
According to HP ProCurve Networking Mini-GBIC Support Matrix, we can easily find out which Mini-GBICs and SFPs are supported on which ProCurve Systems. General rules are:




HP SFP compatible Systems


About the Version A, B, C


HP ProCurve Mini-GBICs and SFPs have three version, but you may not find A and B anymore in HP's official website. In fact, the version A, B and C are the development of HP ProCurve Mini-GBIC and SFP. Though there is no big difference between these three version, some improvement will be added in the newest version, and the supported platforms adjustment. The "revision C" Mini-GBICs (eg. J4858C, J4859C, J4860C) are supported in all ProCurve products that support Mini-GBICs. In addition, "revision B" and "revision C" mini-GBICs can be used together in any ProCurve switch that supports mini-GBICs. Actually, as the transitional products, HP stops offering the version A and version B. But version C are not supported on some old switches, thus, some users have still used the version A or version B. Fiberstore can support the 100% compatible HP ProCurve Mini-GBICs and SFPs at version A, B and C, such as J4858A/B/C, J4859A/B/C, J4860A/B/C.


Mini-GBICs and SFPs hot-swappable


All ProCurve Mini-GBICs and SFPs are hot-swappable (they can be installed and removed while the switch is powered on). However, the network cable should be disconnected before removing the Mini-GBIC or SFP from the switch.


Best practice tip: After inserting a transceiver into a ProCurve switch, the Mode LED will come on for two seconds while the transceiver is initialized. Do not remove the transceiver until the Mode LED has turned off. For the Switch 2600 and 2800 Series: After inserting a transceiver into a 2600 or 2800 switch, the "M" LED will come on to indicate that the mini-GBIC slot is active. Wait at least two seconds after the "M" LED comes on if you need to remove the transceiver.


About Fiberstore


Fiberstore is a professional manufacturer and supplier of optical networking solutions. We can supply 100% compatible fiber optic transceiver modules of many brands, like HP, Cisco, Dell, D-link etc. with a incredible discount. About HP, you can find a full product line of our New HP transceivers with a good price and enjoy same-day shipping. In addition, according to your requirements, we welcome any inquiry for customized fiber optical transceiver. Fiberstore's aim is offering the best quality products and perfect solutions, saving customers's time and money, making customers enjoy personalization.


Recommendation of The Best-selling Brand Compatible Transceivers



Article Source: HP SFPs

Oznake: HP SFP, J4858B, J4858C, J4859A, J4859B, J4859C

16.01.2015. u 05:09 • 0 Komentara • Print • #

četvrtak, 15.01.2015.

When It's Best to Use GBIC and When to Use SFP?

Recently many users ask when they choosing a card for their switch/router, they should choose either cards that take SFP or cards that take GBIC. It seems to be a headache for them because they are not clearly know the differences of them. Thus, today, we are mainly going to discuss that when it's best to use GBIC and when to use SFP.


GBIC (gigabit interface converter)


GBIC is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network. GBIC is a standard for transceivers, commonly used with Gigabit Ethernet and fiber channel. GBIC module is hot pluggable, this feature allows a suitably designed enclosure to be changed from one type of external interface to another simply by plugging in a GBIC having the alternative external interface. Generally, GBIC is with the SC connector. The GBIC standard is non-proprietary and is defined by the Small Form Factor committee in document number 8053i. The first publication of the proposal was in November 1995. A few corrections and additions were made through September 2000.


GBIC


SFP (small form-factor pluggable)


SFP is a specification for a new generation of optical modular transceivers. The form factor and electrical interface are specified by a multi-source agreement (MSA). SFP is also known as a Mini GBIC as its function is somewhat similar to the GBIC transceiver while SFP is smaller than it. SFP transceivers are designed to support SONET, gigabit Ethernet, Fibre Channel, and other communications standards. Due to its smaller size, SFP is now more and more widely used for both telecommunication and data communications applications.


GLC LH smd


GBIC & SFP Interface Types



For every type of GBIC and SFP transceivers, it works with different wavelengths at a designated location or distance. For examples, SX SFP uses 850nm for a maximum of 550 meters, LX SFP uses 1310nm for a maximum 10km, ZX SFP could reach 80km or copper SFP uses a RJ45 interface. We can easily distinguish via the information in their names or models, ie. 1000BASE-T SFP, 1000BASE-SX SFP, 1000BASE-LX/LH SFP, 1000BASE-ZX SFP, 1000BASE-CWDM SFP, or 1000BASE-DWDM SFP. In addition, the DOM function for an SFP is discretionary. It supports the users to locate the real-time working status of SFP. The famous brand of GBICs or SFPs are Cisco, Finisar, HP, Juniper, Extreme Network and so on. There is a little difference in the features of each brand's GBICs and SFPs and they support their corresponding brand's switches/routers.


When it's best to use GBIC and When to use SFP?


According to the above definitions of GBIC and SFP, you may have a further understanding on both of them. There is only one difference of them. SFP is smaller than GBIC. Because the smaller size of SFP (almost half the volume of GBIC), we can configure double number of ports on the same panel which increases the utilization rates of switches/routers. Other basic functions of SFP is almost the same with the GBIC and they are equal in performance. Though there are some users still using the GBIC as their old divice which can not be updated to support SFP, GBIC will gradually be obsoleted and replaced by SFP. So the answer to the question "When it's best to use GBIC and When to use SFP?" is obvious. SFP is your choice. Of course, except GBIC and SFP, there are SFP+, XFP, QSFP/QSFP+ etc. new generation of transceivers which can meet all kinds of your requirements. These new types of transceivers will be discussed in other aticle and not state here one by one. If you are interested in them, please focus continuously on my blog. Or if you need these products, Fiberstore will be a good place for you.


Recommendation of The Best-selling Brand Compatible Transceivers



Article Source: GBIC or SFP transceiver


Oznake: SFP Transceiver, FTLX8571D3BCV, 1000BASE-SX SFP

15.01.2015. u 08:34 • 0 Komentara • Print • #

ponedjeljak, 12.01.2015.

D-Link SFP Transceivers Alternative Solution

Introduction

D-Link is the world leader in connectivity for small, medium and large enterprise business networking. The company is an award-winning designer, developer and manufacturer of networking, broadband, digital electronics, voice and data communications solutions for the digital home, Small Office/Home Office (SOHO), Small to Medium Business (SMB) and Workgroup to Enterprise environments. D-Link's products are aimed at the networking and communications market. There is a number of products provided by D-link. Today, we'll only introduce an essential part of the switches product line - the transceiver module and mainly be centered on its 100/1000 Mbps SFP modules.


D-Link's SFP Module Series

D-Link's highly integrated transceivers offer low jitter performance for extended optical link support without degradation. D-Link's new line of Gigabit Interface Converters (GBICs) and Small Form-Factor Pluggables (SFPs) transceivers represent an industry leading combination of performance and affordability. D-Link's new Gigabit transceivers are available in two form-factors: standard (GBIC) or (SFP) /mini-GBIC.


100BASE-FX SFP

D-Link DEM-211 SFP


D-Link's DEM-211 100BASE-FX Multimode LC SFP Transceiver provides a high performance solution for serial optical data communication applications. The DEM-211 has a duplex LC connector and provides an IEEE 802.3u compliant link for up to 100Mbps in half duplex mode (200Mbps full-duplex mode) for fiber cable applications. The high performance DEM-211 enables reliable data transfer in short, intermediate, and long distances for building, factory, campus, and metropolitan networking applications. When two switches are connected together using a DEM-211 transceiver on both ends, link speeds of up to 155Mbps can be attained. The DEM-211 allows you to provide 100BASE-FX SFP fiber optic connectivity on Gigabit combo SFP ports for D-Link switches.


1000BASE-T SFP

D-Link DGS-712 SFP


D-Link's DGS-712 1000BASE-T Copper SFP transceiver is based on the SFP Multi Source Agreement. It is compatible with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE 802.3z and 802.3ab and supports a maximum cable distance coverage up to 300m link lengths. The DGS-712 plugs into any standard SFP interface allowing for 1000Base-T Gigabit transmission over standard Category 5 twisted pair copper.


1000BASE-SX SFP

D-Link DEM-311GT


D-Link's DEM-311GT 1000BASE-SX SFP is a high performance 850nm multimode SFP/mini-GBIC transceiver which is with duplex LC connector interface. Supporting full duplex, Gigabit speeds on multimode fiber for distances of up to 220m/550m on 62.5µm/50µm fiber respectively. The unit features a metal housing to reduce EMI and to increase durability. The DEM-311GT is hot pluggable and is 30-day money back guarantee and with a lifetime advance replacement warranty.


1000BASE-LX SFP

D-Link DEM-310GT SFP


D-Link's 1000BASE-LX SFP, the DEM-310GT is a high performance 1310nm multimode/Singlemode SFP (mini-GBIC) transceiver. Supporting full duplex, Gigabit speeds on multimode/Singlemode fiber for distances of up to 550m/550m/10km on 62.5µm/50µm/9µm respectively. The unit features a metal housing to reduce EMI and to increase durability. Its interface is duplex LC connector. The DEM-310GT is hot pluggable and is 30-day money back guarantee and with a lifetime advance replacement warranty.


D-Link's SFP Module Alternative Solution

Fiberstore offers third party optical transceivers and all the D-Link SFP transceiver is certified 100% compatible with D-Link switch and router product lines.These D-Link SFP transceivers can be mixed and deployed with D-Link OEM SFP transceivers for seamless network performance and interoperability. Our cost-effective D-Link SFP optical modules are delivered to worldwide from our factory directly.


Warm tips: Other brands solution is available. All Fiberstore SFP transceivers are fully compatible with major brands (Cisco, HP, NETGEAR, Finisar, Juniper, etc.) and backed by a Lifetime Warranty.


More infomation about D-Link's SFP: D-Link SFP Transceiver Specifications.


Related Article: Overview of Extreme Networks SFP Modules Interface Types

Oznake: D-Link SFP, DEM-310GT, DEM-311GT

12.01.2015. u 07:33 • 0 Komentara • Print • #

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Ima Blogger, Just Share Various Fiber Optic Telecom Network Topics, Information, News, Questions, Sources and Network Solutions.

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