---
title: "Ethernet Module Ttl Serial Port Transparent Transmission Embedded Serial Networking Server (w7500)"
url: "https://maker.wiznet.io/mayuri/resellers/Ethernet-Module-Ttl-Serial-Port-Transparent-Transmission-Embedded-Serial-Networking-Server-w7500/"
markdown_url: "https://maker.wiznet.io/mayuri/resellers/Ethernet-Module-Ttl-Serial-Port-Transparent-Transmission-Embedded-Serial-Networking-Server-w7500/md"
type: "VAR: Value-Added Reseller Products"
author: "mayuri"
original_author: "mayuri"
published: "2022-06-08"
language: "en"
likes: 0
views: 215
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Ethernet Module Ttl Serial Port Transparent Transmission Embedded Serial Networking Server (w7500)

> Ethernet Module Ttl Serial Port Transparent Transmission Embedded Serial Networking Server (w7500)

Original author: mayuri

## Article

## Product Description

**Support 4 socket connections at the same time** It supports simultaneous connection with 4 sockets,each socket can be individually configured as TCP server,TCP client,UDP Master,UDP Slave, TCP-ZSD,UDP-ZSD,to meet users`various applications. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-142320-300x188.png) **TCP Server Mode** The serial server listens on the local port and waits for the client to connect. After the connection is successful, data can be transmitted in duplex mode. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-142338-300x117.png) **TCP client mode** The serial server actively connects with the user's server, and data can be transmitted in duplex mode after successful connection. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-142354-300x111.png) **UDP Master mode** The serial server sends UDP data to the configured remote IP and port and only receives the data from them. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-142409-300x110.png) **UDP Slave mode** The serial server listens for UDP data locally, and sends and receives data with the latest communication client. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-142428-300x167.png) **TCP-ZSD UDP-ZSD mode** The TCP / UDP protocol encapsulated by MIND is compatible with all 2G / 3G / 4G DTU of Mind, and different devices can be mixed in the same data center. Using SDK kit to build center quickly. ![](https://maker.wiznet.io/uploads/2022/06/Screenshot-2022-06-08-143317-300x214.png)

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Source: https://maker.wiznet.io/mayuri/resellers/Ethernet-Module-Ttl-Serial-Port-Transparent-Transmission-Embedded-Serial-Networking-Server-w7500/