---
title: "WIZ550S2E change port"
url: "https://maker.wiznet.io/forum/10684"
markdown_url: "https://maker.wiznet.io/forum/10684/md"
type: "Forum topic"
category: "Serial-to-Ethernet & ConfigTool"
author: "mfrank"
created: "2014-11-21T09:36:22+09:00"
last_activity: "2017-05-04T08:34:37+09:00"
language: "en"
views: 586
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# WIZ550S2E change port

## Question

Asked by mfrank on 2014-11-21 in Serial-to-Ethernet & ConfigTool.

Hi

How can i change Local Port, Remote Port and Host Ip?
When i send
AT+NOPEN=C,3000,192.168.11.100,3000
the answer is:
[W,0]
[F,0,8]
and nothing happend…

Did i do a mistake?

Thank you

## Replies

### Reply 1 by ywkwon, 2015-01-08

[F,0,8] <= meanings “ERR_CommandTimeout”
I guess the WIZ550S2E cannot connect to “192.168.11.100:3000” because network setting problem.

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Source: https://maker.wiznet.io/forum/10684