Fiber media converter using note

Fiber media converter have a variety of different classification, but note that most of the actual use of class distinction according to different fiber optic connectors: SC connector media converter and FC / ST media converter .
Fiber media converter to connect the different devices must use different ports.

1, the fiber converter to 100BASE-TX equipment (switches, hubs) connection:
Verify that the length of twisted pair up to over 100 m;
RJ-45 port to connect one end of the twisted pair to fiber converter (Uplink port), the other end of the set (switches, hubs) 100BASE-TX RJ-45 port (port).

2, the fiber converter to 100BASE-TX device (NIC) connections:
Verify that the length of twisted pair up to over 100 m;
RJ-45 port to connect one end of the twisted pair to Fiber media converters (100BASE-TX port), the other end of the RJ-45 port, network card.

3, fiber converter to 100BASE-FX connection:
Verify that the fiber length does not exceed the range of equipment to provide distance;

SC / ST connector, one end of the fiber with fiber media converters SC / FC / ST connector on one end to connect the 100BASE-FX device.

Also need to add is that many users in the use of fiber media converters that: as long as the length of the fiber is in the single-mode fiber or multimode fiber can support a maximum distance can be used normally. In fact, this is a wrong perception, this understanding is correct only when connected devices are full-duplex device, when there are half-duplex device, the optical fiber transmission distance there are certain restrictions.

How to buy fiber media converter

An important factor in the actual procurement, enterprises consider price, especially small and medium enterprises and SOHO office. We believe that a few hundred dollars of products sufficient to meet the general needs of enterprises, except for special industries such as telecommunications, military and so on. Of course, in addition to price, but also must consider the product with the surrounding environment compatibility with and the product itself, the stability, reliability, otherwise the price is low, buy also no use. In order to be able to pick a good product, and to procurement points are listed below:

(1) if it can support full-duplex and half duplex, because some chips of the market, using the full-duplex environment, can not support half-duplex, connected to the other brands of switches (N-Way Switch) or hub (HUB), using half-duplex mode, will result in a serious collision and packet loss.

(2) whether it is done connection test with other fiber optic connectors, currently available fiber media converter more and more, such as the mutual compatibility of the different brands of the fiber converter not done in advance of the test also have lost packet transmission time is too long, suddenly fast suddenly slow phenomenon.

(3) whether it has to prevent loss of safety devices, many manufacturers in the production of fiber media converter, in order to reduce costs, often using the register data transfer mode, the greatest disadvantage of this way, data transmission instability, resulting in packet loss, and the best way is to use a buffer circuit design, safe to avoid data loss.

(4)whether the product has to do temperature testing, fiber media converter used to produce high fever, coupled with the installation environment is usually outdoors, so the temperature is too high (not greater than 50 ° C), fiber media converter whether the normal operation, users are very important factors to be considered! The maximum allowable operating temperature is how much? This very worthy of our attention to the needs of long-running equipment.

(5)whether the product is in compliance with IEEE802.3 standards? Such as fiber media converters comply with IEEE802.3 standard, if you do not meet the standard, then certainly there will be compatibility issues.

(6) to assess the manufacturer’s service, Imagine if your equipment is broken, the factory a few days do not solve the problem, your loss is how much. Therefore, in order to make after-sales service timely early response, it is recommended to select the region has superb strength, technical strength, reputable professional company. Only the more experienced professional technical engineers to troubleshoot and detect failures of the more advanced tools

(7) When you purchase carefully observe the appearance of the product, take a look at the fiber module shell whether old, whether shiny or whether the signs of wear. On the market today in order to reap huge profits, many manufacturers use in fiber media converters, optical switches and other equipment used or old fiber optic module, the use of these second-hand fiber-optic module products, caused a great deal of hidden network transmission, such as: Fiber module optical contamination of the signal transmission must be affected, the decline in the quality of transmission. Transmission quality, result in reduced receive sensitivity can also cause data loss phenomenon. Coupled with the use of used fiber transceiver, will be discounted on the life of component failure, etc. at any time.

How to choose a fiber media converter

Fiber media converter data transmission break the limitations of the one hundred meters of Ethernet cable, rely on high-performance switching chips and large-capacity cache, in a truly non-blocking transmission switching performance at the same time, it also provides a balanced flow, isolation, conflictand detection of errors and other functions to ensure high security and stability of data transmission. The fiber media converter products for a long time will remain an indispensable part of the actual network set up, I believe that future fiber media converter will be toward the high intelligence, high stability, managed, low-cost direction to continue to develop.

How to choose a fiber media converter

Fiber Converter is one of the LAN connection device, it is necessary to consider the mutual compatibility with the surrounding environment, and product stability, reliability.

1, whether to support full-duplex and half duplex?

Some chips on the market currently only use full-duplex environment, can not support half-duplex, such as the receipt of other brands of switches (SWITCH) or hub (HUB) And it is using half-duplex mode, will causeserious conflict and loss.

2, Connection test with other fiber media converter is done or not?

An increasing number of currently available media converter, such as the mutual compatibility of different brands of media converter in advance did not make the test will produce loss, the transfer time is too long, suddenly fast and slow phenomena such as.

3,Whether there is a safety device to prevent packet loss?

Some vendors in the manufacture of fiber media converter, in order to reduce costs, often the data transfer mode register (Register), this approach is the biggest drawback is instability in the transmission, packet loss, and the best is to use the buffer line.can be safe and to avoid data loss.

4,Temperature adaptability?

Fiber media converter, when used, will produce high fever, high temperature (not greater than 85 ° C), fiber media converter is working properly. Is very worthy of the factors that customers consider!

5,conforming to the IEEE802.3u standard?

Such as fiber media converter comply with IEEE802.3 standard, that the delay time control in 46bit, it means that the transmission distance of fiber media converter will be shortened if more than 46bit!

Fiberstore supply all kinds of fiber media converter, 10/100Base Ethernet Fiber Media Converters, 1000Base Gigabit Fiber Media Converter, SFP Fiber Media Converter, Options in singlemode dual fiber, multimode dual fiber and singlemode single fiber. We also supply Media Coverter Chassis, like 14 slot media converter chassis and 16 slot media converter chassis, used to manage the various media converters.

Features and Superiority of fiber media converter

The fiber media converter typically have the following basic characteristics:

1. Ultra-low latency data transfer.
2. The network protocol is completely transparent.
3. Using a dedicated ASIC chip data wire-speed forwarding. Programmable ASIC will focus on the multiple functions onto one chip, with the advantages of simple design, high reliability, less power consumption to make equipment for higher performance and lower cost.
4. Rack-mounted equipment can provide hot-swappable, easy to maintain and without interruption to upgrade.
5 Can network management equipment to provide network diagnostics, upgrades, status reports, exception reports and control functions, can provide a complete operating log and alarm log.
6. Equipment, the use of 1 +1 power supply design, and support for ultra-wide supply voltage, power protection and automatic switching.
7. Support for extra-wide operating temperature range.
8. Support a full range of distances (0 to 120 km)

Superiority

Currently referred to the media converters, people often can not help but compare the fiber media converter with switches with optical ports.

The advantages of fiber media converter compare to optical port switch.

First, fiber media converter and ordinary switches on price far cheaper than the optical port switch, in particular, some light-port switch in the optical transceiver is inserted loss of one or several electrical interface, which allows operators to a large extent reduce the upfront investment.
Secondly, the light switch module mostly there is no uniform standard, the optical module damage will need to be replaced from the original commercial, the same module, so a great deal of trouble to the maintenance of late. On the interconnection between devices from different manufacturers of fiber media converter is no problem, once the damage can also use other vendors’ products to replace, maintenance is very easy.

Also, fiber media converter transmission distance is more complete than optical port switch products. Of course, the optical port switch has an advantage in many ways, such as unified management, unified power supply was no longer discussed.

Fiber media converter classification

The fiber media converter products must strictly comply with 10Base-T, 100Base-TX, 100Base-FX, IEEE802.3 and IEEE802.3u and other Ethernet standards, In addition, EMC anti-electromagnetic radiation shall comply with FCC Part15.

With the development of fiber media converter, there are different Classification for fiber media converter.

Divided by the optical fiber can be divided into multi-mode fiber media converter and single mode fiber media converter.

The media convertercan transmit distance is not the same, due to the use of fiber, multimode transceiver transmission distance of 2 km to 5 km, while the single-mode media converter coverage from 20 km to 120 km. Should be noted that due to the different transmission distance, fiber media converter transmit power, receiver sensitivity and the use of wavelength will be different.
Such as the 5 km fiber-media converter transmit power is generally -20 ~-14db between the receiver sensitivity of-30db, use 1310nm wavelength; 120 km of fiber media converter transmit power and more between -5 ~ 0dB, the receiver sensitivity -38dB, the wavelength of 1550nm.

Divided by Working level / rate points can be divided into single-10M, 100M fiber media converter, 10/100M adaptive fiber media converter and 1000M fiber media converter.

Single 10M and 100M fiber media converter products at the physical layer, this layer media converterr products by bit to forward data. The forward mode with fast forwarding, transparent high latency advantages of low, suitable for the rate is fixed the link, while such devices without a consultation process before the normal communication, and therefore compatible and stability to do better.

10/100M fiber media converter to work in the data link layer, this layer of media converterto use a store-and-forward mechanism, so that forwarding mechanism received a packet should read the source MAC address, the purpose of MAC address and the data payload, and CRC Cyclic redundancy Check after the packet is forwarded out. Store and forward the benefits of a number of error frames can prevent spread in the network, taking up valuable network resources, but also can prevent packet loss due to network congestion caused by the data when the data link is saturated store-and-forward can be will not be able to the data transmitted first on the the transceiver cache, waiting for the network is idle and then forwarded. This will not only reduce the possibility of data conflict to ensure the reliability of data transmission, 10/100M fiber media converter is suitable for work on a fixed link rate.

1000M fiber media converter according to the actual need to work in the physical layer or data link layer, these two market 1000M fiber media converter.
Classification by type of management

Unmanaged Ethernet media converter: Plug and Play hardware DIP switch to set the electrical port mode
Managed Ethernet media converter: support carrier-grade network management

According to the number of fibers

Can be divided into single fiber and fiber media converter, and dual-fiber media converter. As the name implies, the single-fiber devices can save half of the fiber, to receive and send data in an optical fiber, the fiber tension is very applicable. These products using the WDM technology, the use of wavelength, multi-1310nm and 1550nm. With the growing number of single fiber optical transceiver use, the product is mature and stable.

Fiber media converter classification

The fiber media converter products must strictly comply with 10Base-T, 100Base-TX, 100Base-FX, IEEE802.3 and IEEE802.3u and other Ethernet standards, In addition, EMC anti-electromagnetic radiation shall comply with FCC Part15.

With the development of fiber media converter, there are different Classification for fiber media converter.

Divided by the optical fiber can be divided into multi-mode fiber media converter and single mode fiber media converter.

The media convertercan transmit distance is not the same, due to the use of fiber, multimode transceiver transmission distance of 2 km to 5 km, while the single-mode media converter coverage from 20 km to 120 km. Should be noted that due to the different transmission distance, fiber media converter transmit power, receiver sensitivity and the use of wavelength will be different.
Such as the 5 km fiber-media converter transmit power is generally -20 ~-14db between the receiver sensitivity of-30db, use 1310nm wavelength; 120 km of fiber media converter transmit power and more between -5 ~ 0dB, the receiver sensitivity -38dB, the wavelength of 1550nm.

Divided by Working level / rate points can be divided into single-10M, 100M fiber media converter, 10/100M adaptive fiber media converter and 1000M fiber media converter.

Single 10M and 100M fiber media converter products at the physical layer, this layer media converterr products by bit to forward data. The forward mode with fast forwarding, transparent high latency advantages of low, suitable for the rate is fixed the link, while such devices without a consultation process before the normal communication, and therefore compatible and stability to do better.

10/100M fiber media converter to work in the data link layer, this layer of media converterto use a store-and-forward mechanism, so that forwarding mechanism received a packet should read the source MAC address, the purpose of MAC address and the data payload, and CRC Cyclic redundancy Check after the packet is forwarded out. Store and forward the benefits of a number of error frames can prevent spread in the network, taking up valuable network resources, but also can prevent packet loss due to network congestion caused by the data when the data link is saturated store-and-forward can be will not be able to the data transmitted first on the the transceiver cache, waiting for the network is idle and then forwarded. This will not only reduce the possibility of data conflict to ensure the reliability of data transmission, 10/100M fiber media converter is suitable for work on a fixed link rate.

1000M fiber media converter according to the actual need to work in the physical layer or data link layer, these two market 1000M fiber media converter.
Classification by type of management

Unmanaged Ethernet media converter: Plug and Play hardware DIP switch to set the electrical port mode
Managed Ethernet media converter: support carrier-grade network management

According to the number of fibers

Can be divided into single fiber and fiber media converter, and dual-fiber media converter. As the name implies, the single-fiber devices can save half of the fiber, to receive and send data in an optical fiber, the fiber tension is very applicable. These products using the WDM technology, the use of wavelength, multi-1310nm and 1550nm. With the growing number of single fiber optical transceiver use, the product is mature and stable.

The significance of the fiber media converter

Information construction by leaps and bounds, The growing demand for data, voice, image and multimedia communications, and Ethernet broadband access is mentioned more and more important position. Traditional Cat5 cable can only make Ethernet signal transmission 100 meters transmission distance and coverage can not meet the needs of the actual network environment. At the same time, the fiber-optic communications with its advantages of large capacity of information, confidentiality, light weight, small size, relay, long distance transmission has been widely used. Fiber media converter use of this high-speed fiber optic transmission media a good solution to the problem of Ethernet transmission. Direct use in some of the larger enterprises, network construction, fiber optic backbone network established for the transmission medium, the internal LAN transmission medium is generally copper wire, how to achieve local area network with fiber optic backbone connected.This requires a different port, different linear conversion between different fiber and to ensure that the link quality.

The emergence of Fiber media converter to make twisted pair electrical signals and optical signals conversion,ensure the smooth transmission of data packets between two networks, it network transmission distance limit extended to 100 km from the copper wire 100 meters (single multimode fiber). In information technology infrastructure of Fiber media converter, usually pay more attention to routers, switches, and even the network card for the node data exchange network equipment, but often overlooked media conversion such non-essential to the core of the network equipment. Especially when some of the information required in a high degree of government institutions and enterprises in the data traffic, network construction need to directly connect to the backbone network of fiber optic transmission medium, the internal LAN transmission medium typically copper wire, to ensure that packet media conversion equipment in the smooth transfer between different networks become a necessity.

Fiber media converter used in the Ethernet cable can not be overwritten, you must use the fiber to extend the transmission distance of the actual network environment, help fiber last-km line to connect to the metro and the outer layer of the network playa huge role. With Fiber media converters, also need to upgrade from copper to fiber optic, but lack of funds, manpower or time the user provides an inexpensive program. In order to ensure fully compatible with the NICs, repeaters, hubs and switches and other network equipment of other manufacturers, Fiber media converter products must strictly comply with 10Base-T, 100Base-TX, 100Base-FX, IEEE802.3 and IEEE802.3u Ethernet standard. In addition, EMC anti-electromagnetic radiation shall comply with FCC Part15. Nowadays, the major domestic carriers are great efforts to build the residential network, campus and enterprise networks, so the amount of Fiber media converter products are constantly improved to better meet the access network construction needs.