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Products related to UDP:

Ethernet Relay Board 8Channel Network Switch TCP UDP Module Controller

Features: 1. Control the 8channel relay pullin and release through the Ethernet network, with 8 channels of configurable local buttons (input terminals) 2. Support configuration of module parameters and button working mode through the network 3. The module supports both TCP and UDP modes of operation. The instructions are easy to understand. The commands can specify jog and 165535 second delay. 4. Using industrial grade STC microcontroller as the main control chip 5. Onboard 8channel high quality relay, the relay absorb diode circuit 6. With 1 channel power indicator, each relay has a state indicator, the light is on and the relay is closed. 7. Configurable to restore the relay state before power failure 8. Through the internet control, the cloud remote control is protected by local password, which is safe and reliable. 9. Support 924V input voltage with reverse connection protection Specification: Condition: 100percent Brand new Item Type: Relay Board Package List: 1 x Relay Board Interface Description: 1 to 8: Connect 8 local buttons GND: Button common ground Relay terminal: Connect to the user load, you can use 220V AC equipment, or DC equipment less than 30V, the equipment current can not exceed the standard load of the relay. Each relay has a normally open contact, a normally closed contact and a common contact. When the relay is engaged, the common contact and the normally open contact are turned on; when the relay is released, the common contact and the normally closed contact are guided. Note:Newstyle and oldstyle are shipped randomly.Control the 8channel relay pullin and release through the Ethernet network, with 8 channels of configurable local buttons (input terminals) Support configuration of module parameters and button working mode through the network The module supports both TCP and UDP modes of operation. The instructions are easy to understand. The commands can specify jog and 165535 second delay. Using industrial grade STC microcontroller as the main control chip Onboard 8channel high quality relay, the relay absorb diode circuit

Price: 48.98 £ | Shipping*: 0.0 £

TTL Serial Port to Ethernet Module Supports TCP UDP Communication NTP Protocol UART to Ethernet

Feature: 1. Professional: This is a serial port to ethernet module specially designed for industrial environments, small size, easy to embed and integrate, with device data collector or IoT gateway, serial device server, MQTT gateway, serial port to JSON and other functions in one. It has a UART interface and an Ethernet interface. 2. Unique Design: TTL to ethernet module adopts stamp hole gold immersion process design, highly integrated packaging, supports a variety of ways to embed and combine into various product applications, leads out the control pin, convenient to embed or external to user equipment and various MCU main control devices, with a variety of indicators, convenient to view the working status of the module. 3. Multiple Communication Modes: TTL serial port to ethernet network module supports multiple communication modes, supports TCP server, TCP client, UDP multicast, UDP mode. 4. Network Upgrade: UART to ethernet module can cooperate with three dimensional force control modal components, support web page, host computer configuration. 5. Communication and Device Identification, NTP Protocol: TTL serial port to ethernet network module s custom heartbeat package and registration package can facilitate communication and device identification with the cloud, support NTP protocol, obtain network time for serial port output or for protocol content transmission. Specification: Item Type: TTL Serial Port to Ethernet Module Material: PCB, Metal Ethernet: Ethernet Features: UART to ETH Module Interfaces: UART, Ethernet Serial Port: TTL Power Supply: DC 3.3V 5V Power Supply Mode: Pin Header Pad Application Scenarios: It can be used as a serial device server, MQTT gateway, suitable for data acquisition, IoT gateway, security Internet of Things and intelligent instrument monitoring and other fields. Package List: 1 x TTL Serial Port to Ethernet Module 2 x 10PIN Black Pin Header

Price: 16.6 £ | Shipping*: 0.0 £

LAN Ethernet 2 Way Relay Board Delay Switch TCP UDP Controller Module WEB Server Relay Board

Feature: 1. INDUSTRIAL MICROCONTROLLER: Enhanced capability with industrial grade STC microcontroller + ENC28J60: benefit from the stable firmware on TCP server mode supporting up to 6 network connections, along with UDP control for cloud based remote operations. 2. SIMPLE CONTROL COMMANDS: Easily open or close relays by sending 11 to open the first relay, 21 to close it, 11* for momentary action, and 11K to simulate local key press (for applicable models). 3. ROBUST 8 BIT COMMAND SYSTEM: Execute complex actions like setting a 10 second auto off delay with 11:10, (delay support 1-65535 seconds); Send 00 to return all channel status. 4. FULLY SUPPORTS CUSTOMIZATION: Seamless integration with local connections, cloud control, and demonstration programs for PCs and mobile devices with provided source codes. DLL encapsulation for module configuration and scheduling programs adds versatility. 5. EXPANDABLE HARDWARE OPTIONS: Utilize the header pins for connecting real time clocks, 485, Bluetooth, 2.4G modules, and automatic synchronization with NTP for up to 32 precise scheduling points with less than 1 second timer deviation. 6. FLEXIBLE SCHEDULING OPTIONS: Set up one time or recurring tasks on a yearly, monthly, daily, weekly, hourly, minute by minute, or second by second basis for convenient automation tailored to specific needs. Specification: Item Type: LAN Ethernet 2 Way Relay Board Materials: PCB Interface Description: +5V: +5V power supply positive pole, input or output GND: Power ground, input or output P30-P35: Control lines for CH3-CH8, active high CLR: Short circuit CLR and power on the module to restore factory settings Blue Terminal: Connect to user load, can be used with AC devices or DC devices less than 30V.. Package List: 1 x LAN Ethernet 2 Way Relay Board

Price: 37.51 £ | Shipping*: 0.0 £

TTL UART to Ethernet Mini Module Support ETHERNET IP TCP UDP HTTP ARP LCMP DHCP DNS Highly

Feature: 1. Device Identification: Ethernet module is suitable for networked upgrade of Modbus, and can work with 3D force control modal components, custom heartbeat packets and registration packets can facilitate communication and device identification with the cloud. 2. Support Mode: TTL ethernet mini module supports TCP server, TCP client, ∪DP multicast, UDP mode, 300 to 115200bps baud rate. 3. Highly Integrated: Mini TTL to ethernet module is designed with postage stamp hole sinker process, highly integrated package supports multiple ways to embed into various product applications. 4. Support NTP Protocol: TTL to ethernet module supports NTP protocol to obtain network time for serial output or for protocol content upload. 5. Applications: TTL to ethernet module can be quickly embedded into industrial, IoT and security applications. Specification: Item Type:TTL UART to Ethernet Mini Module Material: PCB Basic Function: Realize the Bi Directional Transparent Transmission Function of Serial Port and Ethernet Interface Ethernet: Common Network Port Isolation Protection: Without Isolation Serial Port: TTL Baud Rate: 300-115200bps Parity Bits: None, Odd Parity, Even Parity, Marks, Space Data Bits: 5 to 9 Bits Flows Control: With Flows Control Protocols: ETHERNET, IP, TCP, UDP, HTTP, ARP, LCMP, DHCP, DNS Configuration Mode: Host Computer Configuration, WEB Browser, Device Management Function Library Communication Mode: TCPP Direct Communication, Virtual Serial Port Mode Data Transmission: TCP Server, TCP Client, UDP Group, UDP Modbus Gateway: Modbus TCP to RTU OtherFunctions: Custom Heartbeat PacketsRegistration Packets, Custom Web Pages, Etc.. Package List: 1 x Ethernet Mini Module2 x Pin Header

Price: 28.15 £ | Shipping*: 0.0 £

Why is TCP slower than UDP?

TCP is slower than UDP because it is a connection-oriented protocol, meaning it establishes a connection between the sender and receiver before transmitting data. This involves a three-way handshake process, which adds overhead and latency to the communication. Additionally, TCP includes error-checking and retransmission of lost packets, which can further slow down the transmission of data. In contrast, UDP is a connectionless protocol that does not have the same level of error-checking and retransmission, making it faster but less reliable for transmitting data.

Are incoming TCP/UDP packets being blocked?

To determine if incoming TCP/UDP packets are being blocked, you can check the firewall settings on the network or system in question. Look for any rules that may be blocking incoming traffic on specific ports or protocols. Additionally, you can use network monitoring tools to analyze incoming traffic and see if any packets are being dropped or blocked. If packets are being blocked, you may need to adjust the firewall settings to allow the desired traffic to pass through.

Why does DHCP use the UDP protocol?

DHCP uses the UDP protocol because it is a connectionless protocol that does not require a persistent connection between the client and the server. This makes it efficient for the dynamic allocation of IP addresses and configuration information to network devices. UDP also allows for quick communication between the client and server without the overhead of establishing and maintaining a connection, which is important for the fast and efficient allocation of IP addresses in a network environment. Additionally, UDP is well-suited for broadcasting and multicasting, which are used by DHCP to discover and communicate with servers on the network.

Do TCP and UDP have the same port?

No, TCP and UDP do not have the same port. While both TCP and UDP use port numbers to identify different communication channels, they have separate sets of port numbers. TCP and UDP each have their own range of port numbers, and a port number used for TCP communication will not be the same as a port number used for UDP communication. This allows for different types of communication to be handled separately and efficiently.

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Amano Time recorder with attendance management software TIMEPACK3-100 white

Price: 668.13 £ | Shipping*: 0.0 £

SourceNext ZERO Virus Security 1 unit software (CD-ROM version) Antivirus/security

---------------------------------------------------------------------- 【Cautions for using electrical products】 When using electrical appliances, please note that the voltage is different from that of Japan, which may cause malfunctions. Since the plug type is Japan type(A or B type), please check the voltage and use a transformer. Please note that a transformer is different from a conversion adapter. We are not responsible for malfunctions caused by use without a transformer. 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- Point 1: Anti-virus software with no expiry date that protects every device you install until the end. You can use it until the device you installed it on breaks or no longer meets the OS system requirements, and there are no additional costs. Point 2: Protect your computer, smartphone, and tablet. It can be used with 4 OSs, and you can protect your entire family at once. Point 3: Lightest in the world (AV-Comparatives Best Overall Speed 2020 award), with a total of 10 million registered units. Compatible OS: Android 4.0 or higher, iOS 9.0 or higher, macOS Monterey (v12.0), macOS Big Sur (v11.0), macOS Catalina (v10.15), macOS Mojave (v10.14), macOS High Sierra (v10.13), Windows 11, Windows 10 (32-bit/64-bit version)

Price: 61.91 £ | Shipping*: 0.0 £

Sanwa Direct Business Card Scanner with Management Up to A6 Windows Software, Digitization, Size, Compatible, 400-SCN051

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. A business card scanner that allows you to scan business cards and manage them digitally. You can manage your business cards, which tend to increase and become bulky, on your computer. You can install business card management software Plustek MobileOffice A6 Simplex Series and Presto! BizCard 6 using the included driver. You can scan business cards, manage and edit scan data, and export to CSV files. You can use it on multiple computers by installing the driver from the included DVD-ROM. If you install one in your department, you can share it with other members. In addition to business cards, you can also scan A6 size, postcards, KG, and L sizes. A small type that is about the same size as two business cards placed side by side! Even if you place it on your desk, it will not get in the way of your work, and it can be stored neatly even in small spaces. ＜Specifications＞ ■Size: W174.5 x D60.5 x H38.5mm ■Weight: Approximately 190g (body only) ■Interface: USB specification Ver. 2.0 compliant (USB specification Ver. 1.1 upward compatible) ■Sensor: Color contact image sensor ■Light source: LED ■Optical resolution: 1200dpi ■Hardware resolution: 1200×1200dpi ■Scan mode: Color/input 48 bit, output 24/48 bit Grayscale/input 16 bit, output 8/16 bit Monochrome/1 bit ■Scan speed: Approximately 5.5 seconds (color, 300dpi, A6 scan) ■Scan range: Maximum 104.9 x 500mm, minimum 33 x 43mm ■Readable document thickness: Paper/50~120g/square meter Card/No emboss/0.76mm ■Power source: bus power ■Accessories: USB cable (cable length/approx. 140cm), calibration sheet, Cleaning paper, driver DVD-ROM ■Country of origin: China ■Warranty period: 6 months from the date of purchase ■Instruction manual: Available (in the included software) ■Compatible models: PC with Windows ■Supported OS: Windows 11, 10, 8.1, 8, 7 ■System requirements: CPU/PentiumIII 1.0Ghz or higher Memory/256MB or more (1GB or more recommended) Hard disk/800MB or more Drive/CD/DVD-ROM drive Port/USB2.0 port

Price: 191.55 £ | Shipping*: 0.0 £

SourceNext ZERO Virus Security version software Compatible with 3-machine (unlimited) Antivirus/security Windows/Mac/Android/iOS

---------------------------------------------------------------------- 【Cautions for using electrical products】 When using electrical appliances, please note that the voltage is different from that of Japan, which may cause malfunctions. Since the plug type is Japan type(A or B type), please check the voltage and use a transformer. Please note that a transformer is different from a conversion adapter. We are not responsible for malfunctions caused by use without a transformer. 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ---------------------------------------------------------------------- This product comes with a serial number and download instructions. (Product shipping available) An internet environment is required to use this product. Point 1: Anti-virus software with no expiry date that protects the device you install until the end. You can use it until the device you install it on breaks or no longer meets the OS system requirements, and there are no additional costs. Point 2: Protect your computer, smartphone, and tablet. It can be used with 4 OSs, and you can protect your entire family at once. Point 3: Lightest in the world (AV-Comparatives Best Overall Speed 2020 award), with a total of 10 million registered units. Point 4: Don't worry about transferring, money-back guarantee within 30 days This product comes with a serial number and download instructions. (Product shipping available) An internet environment is required to use this product. *Note: Please be careful about resale items. Sourcenext products are not supported unless purchased from an authorized retailer (resale, second-hand sale, auction, etc.).

Price: 80.86 £ | Shipping*: 0.0 £

Is it safe to open port 25565 as TCP and UDP?

Opening port 25565 as TCP and UDP can be safe if done in a controlled and secure manner. This port is commonly used for Minecraft servers, so if you are running a Minecraft server, it may be necessary to open this port to allow players to connect. However, it is important to ensure that your server is properly secured with strong passwords, firewalls, and other security measures to prevent unauthorized access or attacks. Additionally, regularly updating and monitoring your server for any potential security vulnerabilities is crucial to maintaining a safe environment.

What is the major difference between TCP and UDP?

The major difference between TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) lies in their connection-oriented versus connectionless nature. TCP is connection-oriented, meaning it establishes a connection between the sender and receiver before transmitting data, ensuring data reliability through error-checking and retransmission. On the other hand, UDP is connectionless, meaning it does not establish a connection before sending data, resulting in faster transmission but with no guarantee of data delivery or order. This fundamental distinction makes TCP more suitable for applications requiring reliable data delivery, while UDP is preferred for real-time applications where speed is prioritized over reliability.

What is UDP and how does data input work?

UDP (User Datagram Protocol) is a connectionless protocol that operates at the transport layer of the OSI model. It is used for sending data over a network without establishing a connection. Data input in UDP involves the sender breaking the data into packets, adding a header with necessary information like source and destination ports, and sending it over the network. The receiver then receives the packets and reassembles them to reconstruct the original data. UDP is faster than TCP but does not guarantee delivery or order of packets.

Why can't the Wiz outlet find the broadcast UDP?

The Wiz outlet may not be able to find the broadcast UDP due to several reasons. It could be a network issue, such as the UDP broadcast being blocked by a firewall or router settings. Additionally, there could be a problem with the Wiz outlet's network configuration or its ability to receive and process UDP broadcasts. It's also possible that there is a compatibility issue between the Wiz outlet and the device or software trying to send the broadcast UDP. Troubleshooting these potential issues and ensuring that the network and devices are properly configured can help resolve the problem.

* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases.

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