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Date Submitted Sat. Jan. 11th, 2014 11:26 AM
Revision 1
Beginner Giovanni_R
Tags converter | python | temperature
Comments 0 comments
A simple python temperature converter, from Celsius to Fahrenheit or from Fahrenheit to Celsius, built using Tkinter.
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Date Submitted Sat. Oct. 26th, 2013 3:56 AM
Revision 1
Scripter mikofy
Tags converter | mode | multimode | multiplexer | single | to | WDM
Comments 0 comments
Network complexity, demanding applications, and also the growing number of devices around the network are driving network speeds and bandwidth requirements higher and forcing longer distance requirements within the LANs. However, Media Converters provide solutions to these complaints, utilizing the optical fiber if it is needed, and integrating new equipment into existing cabling infrastructure.

What is the Media Converter? Media converter can be a device that functions like a transceiver, converting the electrical signal found in copper UTP network cabling into light waves used in fiber optic cabling. It gives you seamless integration of copper and fiber, and other fiber types in Enterprise LAN networks. Media converter supports numerous protocols, data rates and media types.

Fiber optic connectivity is important when the distance between two network devices exceeds the transmission distance of copper cabling. Copper-to-fiber conversion using media converters enables two network devices with copper ports to become connected over extended distances via fiber optic cabling. Media converters provide fiber-to-fiber conversion from multimode fiber to single-mode fiber or single-mode fiber to multimode fiber, and convert a dual fiber link to single fiber using Bi-directional (BIDI) data flow. They can also convert between wavelengths for WDM applications with devices such as WDM multiplexer. Media converters are typically protocol specific and are available to guide a wide variety of network types information rates.

For example, the Fiber-To-Fiber Media Converter can offer connectivity between multimode and single-mode fiber, between different power fiber sources and between dual fiber and single-fiber. It extends a multimode network across single-mode fiber with distances as much as 140km. Within this application, two Gigabit Ethernet switches equipped with multimode fiber ports are connected by using a couple of Gigabit Fiber-To-Fiber Media Converters, which convert the multimode fiber to single-mode and let the cross country connection between the switches. Furthermore, they support conversion from one wavelength to a new with all the single mode to multimode converter or multimode to singlemode media converter. These media converters are usually protocol independent and designed for Ethernet,and TDM applications.

Media converters do a lot more than convert copper-to-fiber and convert between different fiber types. Media converters for Ethernet networks can support integrated switch technology, and offer the opportunity to perform 10/100M and 10/100/1000M rate switching. Additionally, media converters can support advanced bridge features, including VLAN, QoS prioritization, Port Access Control and Bandwidth Control - that facilitate the deployment of recent data, voice and video to get rid of users. Media converters can offer all these sophisticated switch capabilities in a, cost-effective device.

Media converters save CAPEX by enabling interconnection between existing switches, servers, routers and hubs; preserving the investment in legacy equipment. They reduce CAPEX by avoiding the necessity to install new fiber links by enabling WDM technology through wavelength conversion. Media converters also reduce network OPEX by helping troubleshoot and remotely configure network equipment that is at distant locations, not waste time and funds when there is not just a network administrator on the distant location.

Media converters are necessary to produce a more reliable and cost-effective network nowadays. So, where are we able to get high quality Media Converters with reasonable price? Visit Fiber Media Converter Solution in FIBERSTORE now.
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Date Submitted Thu. Oct. 24th, 2013 3:19 AM
Revision 1
Syntax Master claireling
Tags Connector | converter | Ethernet | fiber | fibre | to
Comments 0 comments
About Fiber Optic Media Converter:

A fiber optic media converter is a simple networking device, the fiber to ethernet media converter can converts one network media type (defined by the cable, connector, and bandwidth) into another. They are also used in metropolitan area network (MAN) access and data transport services to enterprise customers. This transition allows any business, no matter what its size, to expand their old network with the latest technology. This flexibility allows for a greater efficiency and harmony between departments and individuals.

A typical media converter is made up of two transceivers, sometimes referred to as media attachment units. These can transmit data to and from each other. Each MAU (Media Attachment Unit) comes with a different industry standard format fibre connector which is able to join different types of media. The basic concept is that one media type enters and another exits. All connectors are up to date with the latest IEEE standards and protocols.

Benefits of Ethernet to Fiber Optic Converters:

Protects your investment in existing copper ethernet-based hardware
Provides you with the flexibility to add fiber on a port-by-port basis
Enjoy the benefits of fiber without have to make wholesale changes
Fast ethernet or Gigabit ethernet to multi-mode or single mode
Ethernet to fiber and fiber back to ethernet links
Create copper-fiber connections with fiber switches

Why used the fiber to ethernet media converter?

Fiber to Ethernet Media Converter models that are best suited for enterprise and Service Provider applications, offer an on-board processor to continuously monitor that both fiber connections are up. This functionality, generally referred to as "Link Pass-Through", monitors the state of the link to the end devices and ensures that each end-point knows whether the entire link is up or not. Some media converter products do not have this intelligence and simply "nail up" the link even though the fiber link peer is down. With Link Pass-Through, a feature available in all FiberStore Fiber to Fiber Optic Converters, the network's SNMP management system can be alerted when a fault occurs so that corrective action can take place.

Fiber to ethernet network media converters are used in Cisco Systems, IBM, Nortel, Microsoft and ADC. By using our media converters, these world leading enterprises cut their cabling cost. Based on Transition Point System advantages, users could save the cost while do not degrade the network performance.

FiberStore is an professional manufacturer & supplier of fiber to Ethernet converter and fiber optic cable. All of our fiber media converters are tested in house prior to shipping to guarantee that they will arrive in perfect physical and working condition. If you have questions about optics(such as customized the fiber to ethernet converter,fiber optic cable specifications,ect.), please feel free to contact us at sales@fiberstore.com.
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Date Submitted Tue. Oct. 15th, 2013 3:10 AM
Revision 1
Scripter mikofy
Tags 7 | Cables | cat | converter | mode | multimode | single | to
Comments 0 comments
The use and demand of optical fiber has grown tremendously and fiber optical applications are numerous. Telecommunication applications are widespread, ranging from global networks to desktop computers. These involve the transmission of voice, data, or video over distances of less than a meter to hundreds of kilometers, using one of a few standard fiber designs in one of several cable designs.

Optical fibers are transparent, flexible glass fibers which allow good quality high bandwidth signal transmission than any other communication cables. Likewise, fiber optics can be understood as technological innovation in the field of applied sciences dealing with light transmission. Any typical optical fiber cable contains more than one fiber optics. Fiber optic cable is usually plastic coated individually and has extra protection to suit the environment in which it is used.

Unlike the more temperamental conventional Ethernet cables which can frequently lose their signal if exposed to certain types of equipment, fiber optic cables are highly resistant to interference from electronic devices, wireless networks, or mobile phones. This is the main reason that it is a wise decision to convert Ethernet cables(like Cat 7 cables) to fiber optic cables, as it provides a faster signal than what Ethernet is capable of sending or receiving.

Networking solutions advance at an unbelievably fast rate with new and faster types of cables being released frequently. If you have a network that uses the traditional type of Ethernet cables and another network that uses the faster and more reliable fiber optic cables, it is possible and advisable to connect them together using a special kind of fiber optic Ethernet converter(like single mode to multimode converter). A fiber optic Ethernet converter connects an Ethernet cable at one end into a fiber optic cable at the other end to allow multiple networks that are using different kinds of cables to communicate with each other. It can also be used within the same network if multiple computers are using different technologies or not all of them have the capability to use fiber optic cables.

Fiber optic cables are used extensively for transmission of data, used for lighting and imaging and as sensors to measure and monitor a vast array of variables. Multinational firms need secure, reliable systems to transfer data and financial information between buildings to the desktop terminals or computers and to transfer data around the world. The high bandwidth provided by fiber makes it the perfect choice for transmitting broadband signals, such as high-definition television (HDTV) telecasts.

FiberStore is a well-known fiber optic cable manufacturer. Established in 2001, the company has a wide variety of bulk fiber optic cables. Their offerings range from house wiring cables, LAN/Structural cables, Aerial cables, to Ribbon Cables and several other cables. Want to know fiber optic cable cost details, just visit their home page.
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Date Submitted Wed. Jul. 31st, 2013 7:42 AM
Revision 1
Syntax Master claireling
Tags converter | protocol | RS232 | RS422
Comments 0 comments
The Protocol Converter, a device converts one protocol into other protocol, is ideal for situations where data from monitored equipment is incompatible with the protocols used by the building management system (BMS) or network management system (NMS), such as in cases where legacy monitoring systems are present. The ability of the protocol converter to accept up to 1,024 inputs over 32 modules means flexible integration with multiple alarm and management systems using one simple device. Protocol converters are widely used in process or industrial automation, building automation, substation automation, automatic meter reading and vehicle automation applications.

Protocol converters are normally used with switches, PCIe network cards and fiber media converters, CWDM and DWDM equipment, PDH multiplexers etc. Protocol converter series may put into action the actual transformation in between single E1 protocol port as well as protocol ports of V.35, V.24, RS232 or Ethernet within the tranny system; it may be thoroughly utilized in numerous being able to access problems with regard to providers as well as commercial clients, for example DDN, ATM, as well as for that transformation in between router and E1 port, or even the actual occasion exactly where Ethernet tend to be interconnected from divided internet websites through SDH or even additional tranny gear.

1. Protocol converter can offer local, remote loop-back functions, commanded remote device loop-back as well as pseudo-random code testing perform; loop-back perform may be used without influence on normal network data conversation and can not really lead to the actual meltdown of network;

2. E1 port may support 120ohm/75 ohm opposition concurrently;

3. V.24 port may assistance a rate of 64K or 128K (optional), and may carry out tranny from any kind of specific time-slot within E1 port; also it can function under DTE and DCE modes;

4. V.35 user port may support N*64K (N=1~32) adaptive rate, and may assistance inner, exterior and slave clock modes, in order to end up being designed in order to numerous programs; also it can function under DTE and DCE modes;

5. RS232 port may assistance the actual a good adaptive rate lower than 115.2K;

6. Ethernet port may assistance N*64K (N=1~32) adjustable rate, and may assistance four channels of Switched Ethernet ports and may end up being channel-isolated; Ethernet mode may assistance 10M/100M semi-duplex as well as 10/100M full-duplex modes as well as adaptive mode (optional), as well as assistance VLAN protocol;

7. Ethernet protocol convertor may identify the actual delivering as well as getting information caution associated with E1 port instantly, as well as switch off Ethernet function instantly.

How To Choose A Converter

There are basically two types of protocol converter which are listed below.

1. Software Protocol Converters
2. Hardware Protocol Converters

Some of the most popular industrial automation protocols are DF-1, CAN (Controller Area Network), RS232 Ethernet Converter, RS422 Ethernet Converter, ControlNet, DeviceNet, HostLink Protocol, Profibus, Modbus, Honeywell SDS, HART Protocol, EtherNet/IP etc. And some Industrial control system protocols like MTConnect, OPC, OPC UA. Select the converter that best matches your application and communication setup, keeping in mind three key features:

Number of connections¡ªsome converters support single connections, while others provide as many as 32 multiple connections with multiple serial ports.

Baud rate¡ªwe have seen converters with baud rates as high as 921kbaud. Converters with lower baud rates are less expensive, but their performance is slower.

Connectivity protocol¡ªthe converter must support the protocol used by your network, either TTL serial, RS-232, RS-422, or RS-485.

Consider the number of connections, baud rate and connectivity protocol, you can finally buy a protocol converter meet your applications.
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Date Submitted Thu. Jul. 4th, 2013 4:07 AM
Revision 1
Syntax Master claireling
Tags converter | protocol | RS232 | RS422
Comments 0 comments
Protocols are determined by several factors such as data rate, encryption methods, file and message formats and associated service. A protocol converter is tasked with taking this protocol and changing it to another one, making devices connected across these networks to communicate directly. Protocol converters, much like a language translator, translate messages or data streams between networks, to enable both networks easily interpret the data.

Protocol converter is a highly beneficial device used by various industries in order to convert the proprietary or standard protocol of a device into suitable protocol of other tools or device in order to attain inter compatibility. Within a network, the large number of different machines and there is a possibility that different machines will run on different protocols. This can make work difficult, because most protocols are inherently incompatible with one another, thus preventing machines with different protocols from integrating. By using a protocol converter, users can bypass this difficulty by changing the protocol, which allows the different machines to work together ¡ª as long as the converter supports the protocols of each machine.

The most attractive benefit of the protocol converter is that the users can carry out the networking and serial communication without even bothering about the programming performed at the hardware level. Without the need of any additional programming for the end user, the protocol converter manages well to transmit the transparent data along the channel which connects a combination of two communication ports. Another key feature of the protocol converter is that of being a programmable driver.

Most protocol converter units are programmed to understand a handful of different protocols, and these units use an internal database to track all the protocols. This database will store all the factors associated with the known protocols, and the database also is tasked with helping this device understand what needs to be changed to alter one protocol to another. Unlike regular databases, which can be manually updated, this database typically is locked from users.

Typical types of protocol converters include E1 to Ethernet, V35 to Ethernet and E1 to V35.

The E1 protocol converter is used to convert E1 signal to 10/100Base-T Ethernet signal, and vice versa. It extends the bandwidth to 7.68Mbps. It can be used in two LAN connection, remote monitor or video broadcasting.

E1 to V35 protocol converter realizes the bi-directional data transfer from E1 port to V. 35 network. This equipment is used in communication network including WAN and LAN, realizing the transfer from E1 channel of SDH or PDH equipment to V. 35, which maybe provided by routers.

V35 to Ethernet Protocol Converter accomplish the converting between the 10/100M Ethernet port and the V. 35 port. It provides at most bandwidth N*64kbps data transmission channel for Ethernet through V. 35 Lines. It is suitable for many situations, such as increasing the range of LAN, founding a special Ethernet network, and so on.

The protocol converters have the capacity to support the Modbus ASCII, Modbus RTU, Modbus TCP and the RFC-2217, E1, Ethernet, V.35, RS232, RS422 and beyond. There are protocol converters that even allow great solution developers the ability to add the proprietary applications and protocols. Also there are converters like RS422 converter and RS232 converter available.
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Date Submitted Mon. Jul. 1st, 2013 4:36 AM
Revision 1
Syntax Master claireling
Tags 10/ | converter | Ethernet | fiber | Media
Comments 0 comments
If you have a network that uses the older type of copper cables and another network that utilizes faster and more reliable fiber optic cables, it is possible to connect them together by using a special product named Fiber Media Converter. A media converter changes signals on a copper cable to signals that run on fiber, make one cable ¡°look¡± like another cable without changing the nature of the network. Due to this function, network executives who need to upgrade their systems from copper to fiber but don¡¯t have the budget, manpower or time, just turn to media converters.

Fiber Optic Media Converter is a small device with two media-dependent interfaces and a power supply, simply receive data signals from one media, convert and transmit them to another media. It can be installed almost anywhere in a network. The style of connector depends on the selection of media to be converted by the unit. In a Fast Ethernet environment, a 100Base-TX to 100Base-FX Media Converter connects a 100Base-TX twisted-pair device to a 100Base-FX compliant single or multimode fiber port that has a fiber-optic connector. In a Gigabit Ethernet, a media converter commonly is deployed to convert multimode to single-mode fiber. Media converters are designed to be implemented in Ethernet networks and some ATM applications. Media converters are also playing a role in facilitating the optical last-mile connection to metropolitan-area networks.

How does a fiber optic media converter work?

Media converters work on the physical layer of the network. They receive data signals from one media and convert them to another while remaining invisible to data traffic and other net devices. They do not interfere with upper-level protocol information. This lets them support quality of service and Layer 3 switching.

Media converters change the format of an Ethernet-based signal on Cat-5 into a format compatible with fiber optics. At the other end of the fiber cable run, a second media converter is used to change the data back to its original format. One important difference to note between Cat-5 and fiber is that Cat-5 cables and RJ45 jacks are bidirectional while fiber is not. Thus, every fiber run in a system must include two fiber cables, one carrying data in each direction. These are typically labeled transmit (or Tx) and receive (or Rx).

Media Converters can function in either half-duplex or full duplex mode. Full duplex Ethernet over UTP runs at 20 or 200Mbps, while half-duplex Ethernet over UTP runs at either 10 or 100 Mbps. Full duplex Ethernet is especially valuable in linking two switches or connecting a switch to a file server. No adjustments are necessary when using either mode. A Fiber Optic Media Converter will automatically sense which mode is in operation.

There are several types of fiber optic media converters available, such as Ethernet Media Converter, 10/100/1000 Media Converters, Gigabit Ethernet Converter, Mulitmode Singlemode Media Converter, 10 Gigabit Ethernet Converter, Media Converter Rack Chassis, etc.

Attention:
Fiber optic converter should be placed in a secure location that can not be disturbed by people or machinery. Every computer connected to the fiber optic cable will lose it¡¯s internet connection if the converter is removed or broken. Converters contain special materials that only work properly in specific temperature ranges so it is important to keep them in controlled temperature rooms that never get too hot or cold.
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Date Submitted Wed. May. 29th, 2013 7:38 AM
Revision 1
Scripter mikofy
Tags converter | Ethernet | Media | multiplexer | PDH
Comments 0 comments
PDH Multiplexer, or Plesiochronous Digital Hierarchy multiplexer, is a kind of point-to-point optical transmission equipment used to transport large quantities of data over digital transport media, for example fiber-optic and microwave radio systems. PDH Multiplexer is designed of highly integrated structure and provides 16 standard E1 interfaces together with one channel of order wire, with self-contained alarm and NM functions, in addition to self-testing and E1 loop-back testing functions. The unit is popularly with telecommunication operator. It is suitable running a business for communication operator, government and kinds of entities.

PDH was created in the early 1960s. It derives its names in the Greek term "plesio," meaning near, and "chronos," meaning time. The name refers back to the fact that networks using PDH run in a state of just about, although not quite, perfect synchronization. PDH was the very first standardized multiplexing hierarchy based on time-division multiplexing. It works by channeling numerous individual channels into higher-level channels.

Work Theory Of PDH Multiplexer
The PDH product is in line with the theory when you've two identical clocks, each the same brand, style and everything, there is no guarantee that they'll run at the exact same speed. Most likely one of these is going to be slightly out of synchronization using the other. The transmitting multiplexer combines the incoming data streams, compensates for just about any slower incoming information, reconstructs the initial data and sends it back out at the correct rates. This system allows for that slight variation in speed and corrects it during transfer to keep the machine constantly running without pausing and waiting for certain slower data to arrive before sending it on. PDH simply fills within the missing bits to match a smooth change in data.

PDH made little provision for management of the network, and the need to fully de-multiplex a high level carrier to extract a lower level signal resulted in enhancing the capacity of PDH networks beyond a certain point wasn't economically viable. The main economic factor was the cost of the equipment required at each cross-connect point within the network where either individual channels or low-level multiplexed data streams should be extracted or added. Additionally, it added additional latency and increased the possibility of errors occurring, thereby reducing network reliability.

Available Kinds of PDH multiplexer
Traditionally, each channel in PDH was a digitized voice, but video information and knowledge can also be sent of these channels. The fundamental channel is 64 Kbits per second, which is the bandwidth that is required to deliver a voice call that's been converted from analog to digital.

N*E1 PDH Fiber Optic Multiplexers make use of the PDH fiber transmission technologies. The 2M (E1) interfaces can interact with the exchanger, light loop tool and multi-diplexer directly to form the micromini or the special network. Complete alarm function for N*E1 PDH Fiber Optic Multiplexers, it's stable, easy to maintenance and install, small in size. It can support one digital service telephone.

PDH Multiplexer can multiplex 4/8/16E1, Ethernet Media Converter (2*10/100Mbps) and V.35 signals in one fiber channel to deliver. It's ideal for low capacity, point-to-point application of remote transmission. The PDH Multiplexer can be applied to create economical and flexible multi-service transmission networks, employed for relay between switch offices, data transmission of LAN, 2M access of lease service for key clients, voice cutover for residental areas/intelligent buildings, and connection of base stations and other various digital transmission networks. Fiber Optic Multiplexer is reliable, stable, simple to install and keep, which may be monitored from Fi-view-MST management software, that is popular in voice and knowledge application field.

Source from PDH Optical Multiplexer Wiki
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Date Submitted Fri. May. 24th, 2013 7:49 AM
Revision 1
Scripter mikofy
Tags converter | protocol | RS422
Comments 0 comments
A protocol converter, referred to as protocol translator, accustomed to convert standard or proprietary protocol of one device to the protocol ideal for the other device or tools to offer the interoperability, with every protocol based on many factors. It is much like a language translator, translates messages, or data streams, between networks make it possible for both networks to simply interpret the data. Typical types include E1 to Ethernet, V35 to Ethernet and E1 to V35. Variety protocols utilized in different fields like Power Generation, Transmission & Distribution, Oil & Gas, Automaton, Utilities, AMR, and Remote Monitoring applications.

Structure Of Protocol Converter
The general architecture of the protocol converter includes an internal master protocol communicating towards the external slave devices and the data collected is used to update the internal database of the converter. When the external master requests for data, the internal slave collects data in the database and send it to the external master.

The end result of the protocol converter is to allow the protocol of 1 machine communicate with the protocol of another, increasing the quantity of machines the network can use. As the penalties normally are slight, conversion in one protocol to another may slow the bond speed, especially if the converted protocol innately has a lower data rate. Most converters possess a database with several protocols, and this database is used to transform the initial protocol to a different format.

Different Protocols Of Protocol Converter
The majority of networks have many machines using different protocols, and these protocols dictate the way a machine acts. These protocols are based on several factors, including data rate, encryption methods, file and message formats and associated service, because some services exclusively use one protocol. A protocol converter is given the job of taking this protocol and changing it to a different one.

Most protocol converter units are programmed to understand a number of different protocols, and these units use an internal database to trace all the protocols. This database will store all of the factors associated with the known protocols, and the database is also tasked with helping this device understand what must be changed to change one protocol to another. Unlike regular databases, which may be manually updated, this database typically is locked from users.

Options that come with Protocol Converter
Protocol converters provide physical conversion between ITU-T G.703 standard E1 interface and standard V.35, RS232, RS422 converter, RS485 converter and 10M/100M Ethernet interface, offering security and seamless link for communication between different devices with various interfaces. Protocol supports IEEE 802.3, IEEE 802.1 P, 802.1Q (VLAN). The interface converter transfers data with V.35, RS232, RS485, RS422 output. E1 interface works with ITU-T G.703, G.704 and G.823 supporting BNC 75¦¸/unbalance impedance and RJ45 120¦¸/balance impedance with speed rates range of 64K~2.048Mbps. Single and multi E1 and framed E1 (FE1) channels; data interface and Ethernet interface; mini rack and 19 inch rack; 220V, 110V, 48V power supply or both are optional, in addition to TDM over IP devices.

Protocol converter series may put into action the actual transformation among single E1 protocol port in addition to protocol ports of V.35, V.24, RS232 Ethernet converter or Ethernet within the tranny system; it may be thoroughly utilized in numerous being able to access issues with regard to providers in addition to commercial clients, for instance DDN, ATM, and for that transformation in between router and E1 port, or perhaps the actual occasion exactly where Ethernet tend to be interconnected from divided internet sites through SDH or even additional tranny gear.

A protocol converter usually is helpful. Protocols are software installed on the routers, they're widely used in a number of industries for applications for example building and process automation. Protocol converters also are employed for substation automation, or a system for managing and controlling equipment within an electrical power system.

Source from Brief Introduction Of Protocol Converter
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Date Submitted Tue. May. 21st, 2013 7:35 AM
Revision 1
Scripter mikofy
Tags converter | Ethernet | Modem | RS232 | serial | to
Comments 0 comments
Ethernet to serial converter allows large quantities of knowledge to become transferred through each serial port coupled with a quick Ethernet connection. The elevated control and automation of serial over ethernet converter, through your existing network infrastructure, can help you reduce your costs and improve efficiency, yet smart enough for just about any office environment.

Key Features Of Ethernet To Serial Converter:
Cable replacement using serial-Ethernet;
Have virtual COM ports connect PC/servers to remote serial devices over Ethernet;
Communicate to multiple serial devices at the same time across a network;
Use serial-Ethernet to exchange existing serial dial-up modem connections;
Manage the serial console port on remote equipment (Servers, routers, switches, etc) over Ethernet or through of band connections;
Use serial-Ethernet to connect serial PLCs to Ethernet;
Connect serial signage equipment over Ethernet with serial-Ethernet adapters.

All serial converters feature a minimum of an Ethernet port and software-selectable RS232/422/485 serial interfaces, and meet IEC safety (IEC 60950-1) and EMC (EN 61000) standards. They support various protocols for serial data transmission including Modbus/TCP, raw serial data over UTP, IPv4 and IPv6. The 4 and 8 port RS422/485 devices, as with the rest of the range, will enable connection across a network with no loss of reliability or signal integrity. The Port3 connector signal level is of RS485 or RS232. This port could be stated as a general CPU module communication port and useful for peripheral applications.

One of the leading differences between RS232 Modem and RS422/RS485 is the signaling mode. RS232 is unbalanced while RS422/RS485 is balanced. An unbalanced signal is presented by a single signal wire in which a voltage level on that one wire can be used to transmit/receive binary 1 and 0: it can be considered a push signal driver. On the other hand, a balanced signal is presented by a set of wires where a voltage difference can be used to transmit/receive binary information: kind of a push-pull signal driver. In a nutshell, unbalanced voltage level signal travels slower and shorter than the usual balanced voltage difference signal.

RS485 converter may also be termed as RS485 Multidrop LAN because it can connect several devices in a LAN network environment. These devices are linked to a single pair wire. Transmit and receive share the same two wires.

Serial to LAN bridge mode allowing transparent bridging of serial devices over LAN, while using 3 Mbps fast UART. Full Internet controller mode allows a simple microcontroller to use the module's protocol and application capabilities to do complex Internet operations for example e-mail, FTP, SSL, embedded web server and others. It also provides a firewall, providing a security gap between your application and the network. PPP modem emulation mode allows existing modem designs currently using PPP to connect transparently over LAN.

With robust metal housings and fanless cooling, the converters are claimed to provide benefits and features to match applications such as discrete manufacturing, processing operations, power generation and distribution, and building automation. Fiberstore is a leader manufacturer in serial connectivity, has introduced RS422 converter/ RS485 converter versions of their 4 and eight port Ethernet to serial products. As with all our Ethernet to Serial port devices, these new products are made to provide easy, fast and reliable connections between networked computers and devices with serial ports- be it across the desk or around the globe.

Source from Ethernet To Serial Converter Devices
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