Best seller of Cisco SFP transceivers

SFP transceiver is 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.

Here 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)

Fiber patch cord in Fiber-optic Link

Fiber Jumper Profile:

Fiber patch cord also is called fiber jumper and fiber patch cable .That is the fiber directly connected with the desktop computer or device , to facilitate device connectivity and management.Tt is used as jumper cables from the device to the optical fiber cabling link.

Structure of the fiber pach cord:

Fiber patch cord is similar with coaxial cable,just have not Mesh shield.In the Center of the fiber jumper is the  glass core of light propagation .In multimode fiber,the core ‘s diameter is  15μm ~ 50μm, broadly in line with the thickness of a human hair.Single-mode fiber core diameter is 8μm ~ 10μm. Outside the coresurrounded by a layer of lower refractive index than the core of theglass envelope, so that the fiber remained at the core. And then the outside is a thin plastic coat used to protect the envelope.

Fiber jumper Category

Fiber jumpers according to the different transmission media can be divided into common silicon-based optical fiber single-mode,multimode jumpers, as well as other fiber jumpers such as plastic,such as the transmission medium; connector structure can be divided into: FC jumpers, SC jumper, ST jumpers, LC jumpers, MTRJjumpers, jumper of MPO, MU jumper, the SMA jumper, FDDI, jumper,the E2000 jumper, the DIN4 jumper, the D4 jumper and sovariousform. The more common fiber jumper can also be divided intothe FC-FC, ​​FC-SC, FC-LC, FC-ST, SC-SC, the SC-ST.

Single-mode fiber (Single-mode Fiber): Fiber Jumper with yellowconnector and protective sleeve blue; longer transmission distance.
Multimode fiber (Multi-mode Fiber): The general fiber jumpers with orange and some gray fittings and protection apply beige or black;transmission distance is short.

 The Note for Fiber using:

Fiber jumpers at both ends of the optical module transceiverwavelength must be consistent, that is the two ends of the fiber mustbe the same wavelengths of light module, a simple distinction is thecolor of the optical module to be consistent. Under normal circumstances, the short-wave optical module using multimode fiber (orange fiber), and long wavelength modules use single-mode fiber (yellow fibers), in order to ensure the accuracy of the data transmission.
Fiber do not use excessive bending and circling, this will increasethe attenuation of light during transmission.
Must use the protective cover after the use of fiber optic jumperfiber connector protected from dust and oil will damage the optical fiber coupling.
If fiber optic connectors are dirty, then you can use a cotton swab dipped in alcohol to clean, otherwise it will affect the communication quality.

Characteristics of fiber jumpers:

(1) low insertion loss
(2) and good repeatability
(3) Return Loss
(4)Mutual insert performance
(5) good temperature stability

Application of fiber optic jumper:

Fiber Jumpers products are widely applied to: the communications room, fiber to the home, local area networks, fiber optic sensors, optical fiber communication systems, fiber optic connectorstransmission equipment, and defense readiness. Applicable tocable television and telecommunications networks, computer andfiber-optic network, and optical test equipment. Subdivision down is mainly used in several ways.
An optical fiber communication system
(2) optical access network
3 fiber-optic data transmission
(4) fiber optic CATV
(5) a local area network (LAN)
6. Test equipment
7 fiber optic sensors

Cisco GLC-SX-MM

Cisco GLC-SX-MM Overview

The Cisco GLC-SX-MM SFP transceiver is a 1000BASE-SX SFP transceiver module for MMF, 850-nm wavelength, with a dual LC/PC connector. Normally, it operates up to 550 meters in length on regular multi-mode fiber optic link spans. This GBIC is a hot-swappable input/output module that plugs into a Gigabit Ethernet slot or port.

GLC-SX-MM Compatible Cisco Routers and Switches

Catalyst Express 500 and 520 Switches
ME 2400, 3400, 3600X, 3800X, 4900X, and 6500X Switches
Catalyst 2350 and 2350 Switches
Catalyst 3000 and 3100 Switches
Catalyst 3750 Metro Switches
Catalyst 2900, 2940, 2950, 2960, 2970, and 2975 Switches
Catalyst 3500XL, 3550, and 3560 Switches
Catalyst 3750 Switches
Catalyst 4500 and 4900 Switches
Catalyst 6500 Switches
IE 3000 and 3010 Series
Cisco 2500 Connected Grid Switches
Cisco 2000 Connected Grid Routers
Nexus 2000, 3000, 4000, 5000, and 7000 Switches
CSS 11500 Switches
Cisco 892F Routers
Cisco 1921 and 1941 Routers
Cisco 2600, 2800, and 2900 Routers
Cisco 3200, 3600, 3700, 3800, and 3900 Routers
Cisco 6400 Routers
Cisco 7200, ubr7200, 7300, 7400, and 7600 Routers
Cisco 10000, ubr10000, 10700, and 12000 Routers
Cisco CRS-1 and CRS-3 Routers
Cisco ASR 1000 and ASR 9000 Routers

There are many manufacturers that produce Cisco transceivers, but you may be one of “those people” who prefer to stick with an original product. There is absolutely nothing wrong with this approach. However, the price of a Cisco GLC-SX-MM will vary greatly depending if you choose a compatible or original version.

Now, here is the fun part of promoting a product for the best company I have ever worked.FS transceiver are exclusively manufacturer-ed by FiberStore that will save you that extra money to spend in other areas of your business. The quality is the same as original, but the price is more attractive.

SFP transceiver compatible Cisco

SFP (Small Form-factor Pluggables) can be simply interpreted asthe upgrade version of GBIC. SFP module volume ratio is reduced by half than GBIC module, more than double number of ports can be configured in the same panel. SFP Module  functions are same to GBIC , be known as Mini-GBIC.

Gbic ports

sfp ports

Fiber optic connectors, is the fiber of the optical module connector, also has a good variety of each other can not beinteroperable. Not often contact with the fiber may mistakenly think that the GBIC and SFP module optical fiber connector is same.In fact, SFP modules with LC fiber optic connector;GBIC with SC fiber optic connector.

Cisco SFP optical module packaging series ,such as

GLC-SX-MM SFP multi-mode optical module (850nm-1.25Gb/s-550M-LC)

GLC-SX-MM

GLC-LH-SM SFP single-mode optical module (1310nm-1.25Gb/s-10KM-LC)
GLC-ZX-SM SFP single-mode optical module (1550nm-1.25Gb/s-80KM-LC)

GLC-ZX-SM

GLC-T SFP electrical interface module (1.25Gb/s-100M-RJ45)

GLC-T

DWDM optical transceiver module

DWDM  is the  Dense Wavelength Division Multiplexing technology, refers to a fiber optic data transmission technology,this technique uses the wavelength of the laser in accordance withthe bit parallel transmission or string line transmission in optical fiber to transmit data. DWDM optical modules is a kind of dense wavelength division multiplexing optical module .There are 40 channels for choose.

DWDM SFP+

The DWDM SFP+ is specifically designed for carriers and large enterprises that require a scalable, flexible, cost-effective system for multiplexing, transporting and protecting high-speed data, storage, voice and video applications in point-to-point, add/drop, ring, mesh and star network topologies. Dense Wavelength Division Multiplexing (DWDM) enables service providers to accommodate many hundreds of aggregated services of any sub-rate protocol without installing additional dark fiber. It is therefore the choice for the highest-bandwidth applications, such as 10GbE, 4G Fibre Channel, 40Gbit/s and 100Gbit/s in the future.

DWDM XFP

The DWDM XFP optical module is so-called DWDM (DenseWavelength Division Multiplexing) XFP package optical modules.

FiberStore offer DWDM XFP 40km/80km/120km Small Form Factor 10Gb/s transceivers comply with the current XFP Multi-Source Agreement (MSA) Specification. They support DWDM 10Gb/s SONET/SDH, DWDM 10-Gigabit Ethernet and 10-Gigabit Fibre Channel applications. Digital diagnostics functions are available via a 2-wire serial interface, as specified in the XFP MSA.

FiberStore also supply DWDM X2,DWDM XENPAK, DWDM SFP transceiver module ,allows enterprise companies and service providers to offer scalable and easy-to-deploy 10 Gigabit Ethernet services in their networks.

Benefits of the SFP Transceiver

Small-form factor pluggable modules continue to change as quickly as the Ethernet standards do. Faster processor speeds allow computers to broadcast information across copper and fiber-optic channels; however, newer speeds entail the need for newer transceivers to read and convey electrical signals. With the construction of new transceivers, newer modules are capable of granting better transfer rates across longer distances, and include various configurations for different standards, serving as standard products for the networking industry. Designed to substitute for the older XENPAK modules, SFP transceivers keep changing, but continue as the industry’s all-in-one interface electronics.

Compatibility

SFP transceiver provide compatibility to multiple setups, across both fiber optic and copper channels and for both short and long-distance communication. An example of how universal these electronics can be is they can lend support to Gigabit standards as well as 100 Gigabit from Cisco to Dell networks. For administrators who set up personal or business networks, the advantages of having a transceiver are the ability to save money and the ability to not have to constantly get new hardware. Without these electronics, it would be difficult for networks to communicate because of the various distinctions among the different setups.

Communication Distance

One aspect that SFP transceivers manage to conduct well is the ability to pass on information from one network to the next. This continues to be feasible thanks to electrical signals sent from the motherboard across either fiber optics or copper wiring. Some optical transceiver modules can send electrical signals further than others depending on the design; for instance, some can convey data across a length of 550m. Networks that hinge on both short and long distance communication may require a transceiver capable of handling the output of information across both distances.

Data Rate

The motherboard sends information to the transceiver, and if a network has multiple different Cisco SFP  module, each could potentially transfer data across the fiber optic or copper wiring faster or slower. Each transceiver comes with a set speed at which it moves data, with higher rates providing better transfers. All modules move data at the speed of some Gigabits per second, or simply Gpbs, but some electronics have as slow as 1Gbps, and others operate at 10Gbps or greater.

These three attributes mix together to give transceivers an industry edge, making them necessary and valuable to any network. Thanks to the universal abilities of each module, communicating across various networks is simple. Today’s modules may be soon replaced by tomorrow’s module that boasts a faster data transfer rate, better compatibility and communication across longer distances.

How to Buy the Right SFP Module for your IT system

Fiber optic transceiver is easier to learn and understand than ever before.Today’s transceivers continue to evolve and are of a higher grade, needing very little maintenance.With continuous improvements to and enhancement of devices, it is becoming easier than ever for the average person to install and maintain fiber modules and transceiver equipment.Getting professional guidance before you purchase any of these products will help you save a lot of time,if this is your first time purchasing or installing fiber optic products.

It is now quite easy to run cable and attach transceiver connecters simply by using the instructions provided with the box. You don’t need to be intimidated. Today’s fiber optics are made to be user friendly. If you are unsure which products and equipment will work best for your system, use a qualified vendor. A qualified vendor will be able to not only assist you in buying the right equipment, but also in installing and connecting your products.

Still some help tips for you

1 Every module you order today will lend support for the various types of Ethernet standards that exist, from pre-10GE to 100GE, as well as for configuration across multiple wavelengths. When in the market for a new transceiver, just make sure you think about your present and later needs, because Ethernet standards will change and newer, more efficient standards will make their way into the industry, making older devices obsolete. When purchasing an older module, it is wise to get an item that can still support the newer standards that may make their way to the market, as times will continue to phase out the later standards to make room for the latest ones. For example, Cisco GLC-T transceivers support all the present and former standards, making these great bargains for anyone looking for an upgrade or just a replacement.

2 When you need modules and other accessories for your office system, you might need some professional help.  Most large corporations will have IT departments with employees who are experienced in finding and replacing computer and electronic products.  If you work in a little office, you usually don’t have an IT department.  This may cause you some difficulties in purchasing and installing system products.  You can go about buying these items in different ways.

3 Tt is wise to go with the best SFP fiber modules,Fiber optic equipment is not an area that you want to skimp in spending money on. If you decide to go with equipment simply because it is cheap, you will most likely pay more for it in the end. In terms of fiber optics, you always get what you pay for. That being said, make sure you verify the manufacturer you are buying transceivers from. All optical transceiver should be created under specific guidelines set by the industry. This ensures that you are getting the highest quality products possible.