---
title: "[From QnA] wiz105sr"
url: "https://maker.wiznet.io/forum/9583"
markdown_url: "https://maker.wiznet.io/forum/9583/md"
type: "Forum topic"
category: "Serial-to-Ethernet & ConfigTool"
author: "ywkwon"
created: "2013-09-26T06:20:49+09:00"
last_activity: "2017-05-04T08:30:06+09:00"
language: "en"
views: 456
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# [From QnA] wiz105sr

## Question

Asked by ywkwon on 2013-09-26 in Serial-to-Ethernet & ConfigTool.

Hi,
I have a evaluation board for XMega128A1 and I want to serial interface WIZ105SR, is it possible to do this?
To connect it serially WIZ105SR has 2X6 pins but the xmega board has just 2X5 pins.How do I connect this?

Thank you

## Replies

### Reply 1 by ywkwon, 2013-09-26

Dear customer.
Thanks for your interest in WIZ105SR.
Serial interface actually uses four pins RXD, TXD, CTS, RTS.
![](http://www.wiznet.co.kr/Admin_Root/UpLoad_Files/BoardFiles/130722_7350_new.jpg)
So connect these four pins to XMega128A1 then you can use serial interface.
Thanks.
WIZnet.

---

Source: https://maker.wiznet.io/forum/9583