A DNS server is a computer server that contains a database of public IP addresses and their associated hostnames, and provides name resolution services to computers connected to the Internet. DNS servers are used by computers to resolve the IP addresses of websites and other Internet-connected devices. DNS servers are usually provided by Internet service providers (ISPs), but anyone can set up a DNS server.
A server is a computer that provides data to other computers. It may provide data to computers connected to it, or to computers connected to it through the network. Servers usually have more storage and processing power than other computers. There are three main functions of a server: 1. To store data and files 2. To process data 3. To provide data to other computers
A server is a computer that provides data to other computers. The four major components of a server are the processor, the memory, the storage, and the network. The processor is the part of the server that performs the calculations. The memory is the part of the server that stores the data. The storage is the part of the server that holds the data. The network is the part of the server that connects the server to the other computers.
5/5
Isochronous transfer mode
Energy-saver mode
High-performance
Print server function
$234
This is my second USB to Ethernet bridge, which I bought to replace my reliable "original" Keyspan US-4A USB Server. After being acquired by Tripp Lite, Keyspan discontinued all product and software development, leaving us users mostly without options for Windows XP upgrade compatibility. The Keyspan was no longer supported as I upgraded the operating system to Windows 7 Professional x64.This gadget is advertised as having USB 2.0 High Speed connection and 1Gb Ethernet. The USB ports appear to be powered at a maximum of 500 mV per port, which is the standard for host-powered devices. Although the gadget is smaller than the images suggest, installing it on flat surfaces requires only two strips of contact area due to the curved back and bottom plate.These USB bridges help me wirelessly share USB devices, in this case a regular scanner and a printer, between PCs. If you take the effort to preconfigure your network for its new little companion, the scanner will attempt to obtain a DHCP address as soon as it is inserted into the network, making setup quick and simple. Program installation on Windows 7 Pro x64 was simple, quick, and most importantly, actually worked perfectly with no apparent driver or software issues. When a print job is initiated, the application, which is always running in the system tray, automatically connects and disconnects your computer from a shared printer. According to the Keyspan, additional hardware, such as scanners, disk drives, etc., must be manually attached and disconnected in order to be used; however, this may be done quickly and easily using the control panel, which is accessible from the system tray shortcut. Even sending electronic requests to other client users who haven't unlocked a device sharing lock is possible with this software; if the other client answers, they can disconnect and unlock the device to give you access once more (every device can only be connected to one computer at a time).Compared to the Keyspan, the Silex is currently substantially faster when using USB devices; the USB-powered scanner connected to the device no longer experiences the start-stop data feed operation as the network "catch up," and printer performance is noticeably quicker. I only briefly tested the device with a disk drive attached; if you want shared network drives, my personal recommendation is to either plug it into a computer or, even better, get a NAS as a USB to Ethernet bridge must handle device-level servicing of the drive, which uses a lot more bandwidth than SMB network-level sharing of computer-to-computer or computer-to-NAS.So, positives:tiny size- USB ports with power- reliable, useful software and drivers with the ability to automatically connect to printers- Better throughput than comparable bridge devices due to 800 MHz processor- Functionality of Win7 x64 testedminuses:- only 2 USB ports built-in; additional ports require a USB hub; - only status lights on the ethernet port surround, which is less convenient than front mounting; - still not rapid enough to genuinely advocate as drive device sharing for the impatient, but does work;This is arguably one of the best little SoHo devices available assuming you know what a bridge device does, are familiar with some of the network setup needed, and are aware of the benefits and drawbacks of such a device. Quick, compact, reasonably priced, and excellent!
5/5
Support DHCP and DNS
Support Modbus RTU to Modbus TCP
Support network printing and watchdog mechanism
Support Modbus multi-host polling
Support Built-in Webpage, Httpd Client and Websocket
$234
I had a few RS232-only serial Modbus slave devices that, even when linked via separate RS232-485 adapters, would not cooperate with one another. i.e., they refused to comply when I tried to multidrop them since there weren't enough serial ports on the RTU I was programming.The gap is filled by this adaptor. When configured as a Modbus over IP Slave, it accepts connections on a few user-selectable ports, converts Modbus over IP commands into Serial Modbus RTU commands, and outputs the converted commands across its ports.The format of each physical port in my case is 192.168.50.120:1502 and 192.168.40.120:1503, and the Serial RTU address can be supplied as part of the message. As a result, the end-of-line slave device cannot tell this device apart from a dedicated serial line.I tried utilizing the USB to barrel connection to power the device, but it also has terminals that I'm using to give me a little bit more voltage headroom (USB 5V is at the bottom of its acceptable supply range)I used the software to set the IP address, then the webpage for further fiddling. The setup webpage and the (Windows) software you may download appear to be identical.These are minor issues, especially given the price, but I can't see any diagnostics for things like the message bytes flowing through or a DIN rail mount.
4.2/5
Best compatibility with a variety of USB devices over the network, like USB dongles, Disk drives, Flash drives and other storage media, scanners, printers, digital cameras, USB sound adapters
Energy saver mode - when the Device server is not used for a certain period of time, the power supply to the USB bus is turned off to save energy.
Isochronous transfer mode - USB devices such as webcams or USB sound cards, which require ongoing data transmission in real time, can also be used in the network environment
The printer auto connect feature works with the Windows or Macintosh printing system and allows multiple computers to easily share USB printer over the network by making an automatic connection to the
High-performance data throughput due to optimized performance and Gigabit connection: extremely powerful CPU (800 MHz) and two USB Hi-Speed Ports (Type-A)
$234
The DS-510, as the title indicates, functions flawlessly with those two ScanSnap scanner models. When I first connected the DS-510's ethernet connection to my VOIP phone's "PC" connector (used to link a PC to the phone's extra ethernet port), I did experience a false alarm, and scanning was painfully sluggish (30 or more seconds to scan a single B
4.2/5
Form Factor: External
High-speed support
Robust security
$234
I have two of them, and they both support multiple USB 3 hard disks and USB to Serial adapters. For further assistance, I've connected a four-port USB 3 hub to the USB 3 port. Great results!
4.1/5
Form Factor: Wall Mountable
Product Type: Device Server
$234
Your text will be rewritten by QuillBot. Start by typing or pasting something into this box, then hit the enter key.
3.9/5
Configure Via Web Browser or Virtual Com Software Interface; Working Temperature: -40 ~ 85¡ãC, Power Consumption: < 1W.
Data Link Protocol: Ip£¬Tcp£¬Udp£¬Dhcp£¬Dns£¬Http£¬Arp£¬Icmp£¬Web Socket£¬Httpd Client.
Speed: 10 / 100 Mbps, Mdi / Mdix Cross Direct Automatic Switching, Baud Rate: Rs-232£º600Bps ~ 230. 4Kbps£¬Rs-485£º600Bps ~ 1Mbps; 1.5Kv Electromagnetic Isolation, Shell Isolation Protection; Anti-Static 2Kv, Lightning Protection.
Dual Serial Device Server: Cpu: Cortex-M4 120Mhz, Serial RS485 & RS232 to Ethernet Server, 2 Serial Ports: 1 Port is RS232, 1 Port is RS485, 1 RJ45 Ethernet Port. Support RS232 & RS485 Working at The Same Time.
What's in The Box: 1 x Dual Serial Device Server, 1 x 5V 1A Power Supply, 1 x Female to Female Serial Cable.
$234
Prior to schedule (pleasant surprises still happen! ), I received the product via Express Mail (not a courier). The packing was excellent and included both the RS232 Cable and the 5V/1A power supply. No issues logging onto the device, and its software configuration has a highly user-friendly layout. Product arrived earlier than anticipated and was transported via Expedited Mail (not a courier), which is always good!Only one criticism: there is absolutely no information in the package on how to obtain documents, manuals, or the setup software. It would be wonderful if a buyer did not have to "search" for the information if they purchased from Amazon, even though it is not really necessary. Direct purchases are not a problem because everything is available online.
3.2/5
Form Factor: Desktop
Product Type: Device Server
$234
I make a living doing IT. In general, I like it, but working with serial devices is something I really dislike. It can be quite difficult to understand documentation because there are so many parameters (such as baud rate, parity, flow control, stop bits, and 9 vs. 25 pin ports) and everyone has their own preferred style of wiring. Then a cable becomes damaged, and how was that device wired? A background in safe-cracking seems to be advantageous at times.So I made the decision to start switching some of the serial work equipment over to Ethernet. Prior to this, I tried two WIFI to serial devices but gave up on them because it appeared that the remedy was worse than the condition.WIFI would have provided us a great deal of freedom with regard to situating equipment on the production floor in the future, but I neglected to take into account how frequently the WIFI standards change. One converter, for instance, could only support 802.11b. Every time WIFI standards changed, I didn't want to have to replace these equipment and deal with the integration problems all over again. In retrospect, Ethernet was the better choice because WIFI is still becoming more and more common around the store, and we need to be able to improve it without having to worry about being overly dependent on antiquated standards.It worked the third time. This gadget is incredible... The online GUI is quite well designed, the documentation is excellent, and it appears that this thing could be modified to connect to any combination of serial devices that your serial device would want. I had this one set up and running in less than five minutes after spending days (literally) attempting to get the other devices to communicate with the serial interface on one of our scales (no exaggeration). Bittersweet!Look no farther if you're attempting to decide which of these gadgets to purchase. Because it is the best candidate for the job, it should be ranked first. I wish you well with your ongoing project!
3.2/5
Optional automatic connection to your device after a reboot saves time and hassle, allowing full function without ever having to be at the device
the same as direct connection to a PC USB port
Up to 30MBps transfer rate
10/100/1000 Mbps USB to IP Adapter
Share a USB device over long distances
$234
Two of these machines are coupled with two outdated printers (HP InkJet and HP LaserJet). The software functions flawlessly on a range of Windows 7 and Windows 8 computers, including some virtual machines.
A device server is a small, single-purpose computer that connects devices to a network so that they can communicate with other devices on the network. Device servers are used in a variety of industries, including automotive, aerospace, and manufacturing.
A server is a computer that provides data to other computers. They are usually used to provide common services, such as file sharing, printing, email, web hosting, and more.
There are three types of server hardware: physical servers, virtual servers, and cloud servers. Physical servers are the traditional type of server hardware. They are typically housed in a data center and are responsible for running server software. Virtual servers are created by using software to divide a physical server into multiple virtual servers. Each virtual server can run its own operating system and server software. Cloud servers are created by using a network of physical servers to create a virtual server environment. Cloud servers can be scaled up or down as needed and are typically used for applications that
There are three types of servers- file servers, application servers, and database servers. File servers store and distribute files. Application servers host applications and provide access to them. Database servers store and manage data.
There are four types of computer networks, including LAN, MAN, WAN, and PAN. LAN, or local area network, is a group of computers and network devices connected together, usually within the same building. MAN, or metropolitan area network, is a larger network that usually spans multiple buildings in a city or town. WAN, or wide area network, is a network that covers a large geographic area, such as a country or the world. PAN, or personal area network, is a small network used to connect personal devices, such as laptops, smartphones, and tablets.
The five servers are the web server, the application server, the database server, the file server, and the mail server.
COPYRIGHT © 2019