Hi-link Hlk-rm04 Instructions for use

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

HLK-RM04

HLK-RM04 Application

Application

Application manual

manual

manual 1

1

Serial to Ehthernet

Shenzhen Hi-Link ElectronicTechnology co.,Ltd

Note:

To

ensure

ensure the

the

the normal

normal

normal operation,

operation,

operation, please

please

please make

make

make sure

sure

sure you

you

you have

have

have purchased

purchased

purchased the

the

the HLK-RM04

HLK-RM04

Development

Development Kit

Kit

Kit from

from

from us

us

us .

.

. as

as

as the

the

the following

following

following picture:

picture:

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

HLK-RM04 module

HLK-RM04 test board

2.4G rod antenna

5V 1000mA power supply

mesh line （optional ）

Please contact well as the following way in the picture:

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Please

Please note

note

note the

the

the direction

direction

direction that

that

that HLK-RM04

HLK-RM04

HLK-RM04 plugged

plugged

plugged into

into

into the

the

the backplane!

backplane!

1 Brief Introduction

HLK-RM04 is a new low-cost embedded UART-ETH-WIFI module (serial port - Ethernet -

Wireless network) developed by Shenzhen Hi-Link ElectronicTechnology co., Ltd

This product is an embedded module based on the universal serial interface network standard,

built-in TCP / IP protocol stack, enabling the user serial port, Ethernet, wireless network (wifi)

interface between the conversions.

Through the HLK-RM04 module, the traditional serial devices do not need to change any

configuration; data can be transmitted through the Internet network. Provide a quick solution for

the user

’

s serial devices to transfer data via Ethernet.

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Ethernet

EthernetWIFI

WIFI

（

Client/AP

）

C hart 1. F-structure

Every part

’

s function of Test board:

2.

2. Serial

Serial

Serial to

to

to Ethernet

Ethernet

Ethernet configuration

configuration

configuration method

method

method ：

Serial to Ethernet model

：

S erial Com

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Method

Method one

one

one ：Configuration

Configuration

Configuration through

through

through Serial

Serial

Serial port

port

1. First

ly,

please ensure that the module is in default mode . The method of r estor ing the factory

settings : power-on the module, wait 35 seconds. Then press one of the buttons on the test

board and hold on more than 6 seconds.

2. Power-on the module again , wait 35 second s until the light on the module blinking, and then

connect the DB9 serial port with the computer's serial port in a straight line. Or connect t he test

board directly with a USB to serial cable as the following picture:

3. Press the "Exit transparent transmission / Preset" button, open the configuration software,

select the serial number, click on the search button , If there appears message >: at (: Found

Device at COM8 (115200)! I n the respose area, it means the module is found.

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

4

4Parameter configuration

Operating

Operating mode

mode

mode : Ser2 Eth(serial to Ethernet)

Network

Network Protocol

Protocol

Protocol : TCP server

Remote

Remote IP

IP

IP : Remote IP is not working as a sever

Port

Port : The monitoring port of the starting TCP server

Serial

Serial Parameter

Parameter

Parameter : Change the parameters according to your requirement .

Attention

Attention please

please

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

DHCP:

DHCP: when the DHCP started, Modules need to obtain an IP from the router , so you should

log on the roter and find the IP of the module first in order to communicate. At this time, Cable

and PC Direct Connect is no way to communicate.

If

If you

you

you do

do

do not

not

not start

start

start DHCP,

DHCP,

DHCP, you

you

you need

need

need to

to

to know

know

know the

the

the IP

IP

IP address

address

address specification

specification

specification of

of

of your

your

your router

router

and

and fill

fill

fill in

in

in IP

IP

IP address

address

address youeself.

youeself.

For example: Our IP specification is 192.168.11.xxx.

；

255.255.255.0

；

192.168.11.1

Please set the IP parameters according to your own router. This time,t he module can connect to

the router through the network cable, can also connected with the computer ,If it directly

connected with the computer, the computer's IP should manually configured to 192.168.11.xxx;

255.255.255.0

Paremrter can cofigurate as the following picture:

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

We

demonstrated here is not enabled DHCP, static IP configured.

After committing the configuration, the WIFI of the module will turn off and the LAN port will

be shut down

5

5 TCP

TCP

TCP to

to

to serial

serial

serial data

data

data transfer

transfer

Submit your parameters, the module will restart, you can also re-power to the module, when

the module starts , connect the computer network port and the network port 1 of HLK-RM04

with the network cable. Please close other network card. C onfigurate Fixed IP to the computer

that connect to the the HLK-RM04 module as shown in the following picture:

Check if the ping 192.168.11.254 is ok: start ----run----cmd

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Open the serial debugging tools and network debugging tools, do send data test:

T he serial and Ethernet can send data to each other now .

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Method

Method two:

two:

two: configuration

configuration

configuration through

through

through network

network

network port

port

1.

1. First restore the factory setting . Then start the module, connect the network port 2 of

HLK-RM04 test board and the computer's Network port with network cable . And then set

the computer

’

s IPas follows:

Check if ping 192.168.16.254 is all right: start----run----cmd

Note:

Note: not

not

not 192.168.11.254

192.168.11.254

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

2.

2. Input 192.168.16.254/ser2net.asp in the browser, it will pop-up a dialog box, enter the user

name and password. Both of t he username and password are admin.

深圳市海凌科电子有限公司 Shenzhen

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

Http : //www.hlktech.com Tel : 0755-83575155 Fax : 0755-83575189

Shenzhen

Shenzhen Hi-Link

Hi-Link

Hi-Link Electronic

Electronic

Electronic Co.,Ltd

Co.,Ltd

As Static IP and DHCP , please reference to the method 1 . After configuration , click on the

button ‘ Apply

’

to wait for the module restart ing.

3.

3. Waiting for the module to restart, unplug the network cable of the HLK-RM04 network port

2 and plugged it into the Ethernet port 1. Next Steps please reference to fifth step in the

method one .

Hi-Link HLK-RM04 Instructions for use

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