Sollae Systems CSW-H85K2 Manuel utilisateur

Sollae Systems

https://www.ezTCP.com

Serial↔WLAN Converter

CSW-H85K2 User Manual

Version 1.3

CSW-H85K2 User Manual Ver. 1.3

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https://www.ezTCP.com

This symbol, found on your product or on its packaging, indicates that this

product should not be treated as household waste when you wish to dispose

of it. Instead, it should be handed over to an applicable collection point for the

recycling of electrical and electronic equipment. By ensuring this product is

disposed of correctly, you will help prevent potential negative consequences to the

environment and human health, which could otherwise be caused by inappropriate disposal

of this product. The recycling of materials will help to conserve natural resources. For more

detailed information about the recycling of this product, please contact your local city

office, household waste disposal service or the retail store where you purchased this

product.

※ This equipment obtained certification by using 1.5M serial cable.

※ L'antenne de ce boîtier devra être placée à une distance minimale de 2 m de toute

personne et animal.

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Contents 
Overview .................................................................................................................................. - 5 - 
1  Overview ................................................................................................................................................................ - 5 - 
2  Features .................................................................................................................................................................. - 5 - 
3  Application Examples ....................................................................................................................................... - 6 - 
4  Specification ......................................................................................................................................................... - 7 - 
4.1  Hardware ...................................................................................................................................................... - 7 - 
4.2  Software ........................................................................................................................................................ - 7 - 
5  Dimensions ........................................................................................................................................................... - 8 - 
6  Interface ................................................................................................................................................................. - 9 - 
6.1  Panel Layout ................................................................................................................................................ - 9 - 
6.2  Wireless LAN Interface ........................................................................................................................... - 9 - 
6.3  Serial Interface ........................................................................................................................................ - 10 - 
6.4  Power ........................................................................................................................................................... - 12 - 
7  ETC. ........................................................................................................................................................................ - 12 - 
7.1  LED indicators.......................................................................................................................................... - 12 - 
7.2  Function button ...................................................................................................................................... - 13 - 
7.3  Function switch ....................................................................................................................................... - 13 - 
Installation and Test ............................................................................................................ - 14 - 
1  WLAN Overview .............................................................................................................................................. - 14 - 
1.1  WLAN mode: Infrastructure .............................................................................................................. - 14 - 
1.2  WLAN mode: Ad-hoc .......................................................................................................................... - 15 - 
1.3  WLAN mode: Soft AP .......................................................................................................................... - 16 - 
1.4  Key terms ................................................................................................................................................... - 17 - 
1.5  Authentication and Security ............................................................................................................. - 17 - 
2  Installation .......................................................................................................................................................... - 18 - 
2.1  Making Wireless LAN link ................................................................................................................. - 18 - 
2.2  Setting Network Area .......................................................................................................................... - 21 - 
3  Simple Test ......................................................................................................................................................... - 23 - 
Configuration ....................................................................................................................... - 26 - 
1  Configuration with ezManager ................................................................................................................. - 26 - 
1.1  Configuration via Serial ...................................................................................................................... - 26 - 
1.2  Configuration via WLAN .................................................................................................................... - 27 - 
2  AT command ..................................................................................................................................................... - 28 - 
3  WEB Configuration ......................................................................................................................................... - 29 - 

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Operation Modes ................................................................................................................ - 31 - 
1  What is the Operation Mode? .................................................................................................................. - 31 - 
2  Changing modes ............................................................................................................................................. - 31 - 
3  Comparison with each mode .................................................................................................................... - 32 - 
4  Normal mode ................................................................................................................................................... - 32 - 
4.1  WLAN mode ............................................................................................................................................ - 32 - 
4.2  Communication mode......................................................................................................................... - 33 - 
5  Serial Configuration mode ......................................................................................................................... - 34 - 
5.1  Configuring Parameters ...................................................................................................................... - 34 - 
5.2  Revoking Serurity Options................................................................................................................. - 34 - 
5.3  Background Soft AP ............................................................................................................................. - 34 - 
6  ISP mode............................................................................................................................................................. - 34 - 
6.1  Upgrading Firmware............................................................................................................................. - 34 - 
Communication Modes ...................................................................................................... - 35 - 
1  TCP Server .......................................................................................................................................................... - 35 - 
1.1  Key parameters ....................................................................................................................................... - 35 - 
1.2  Examples .................................................................................................................................................... - 36 - 
2  TCP Client ........................................................................................................................................................... - 39 - 
2.1  Key parameters ....................................................................................................................................... - 39 - 
2.2  Examples .................................................................................................................................................... - 40 - 
3  AT Command .................................................................................................................................................... - 43 - 
3.1  Key parameters ....................................................................................................................................... - 43 - 
3.2  Examples .................................................................................................................................................... - 44 - 
4  UDP ....................................................................................................................................................................... - 47 - 
4.1  Key parameters ....................................................................................................................................... - 47 - 
4.2  Examples .................................................................................................................................................... - 48 - 
System Management .......................................................................................................... - 50 - 
1  Upgrading Firmware ...................................................................................................................................... - 50 - 
1.1  Firmware .................................................................................................................................................... - 50 - 
1.2  Processes ................................................................................................................................................... - 50 - 
2  Status Monitoring ........................................................................................................................................... - 52 - 
2.1  TELNET ........................................................................................................................................................ - 52 - 
2.2  Status Window of ezManager ......................................................................................................... - 55 - 
Additional Functions ........................................................................................................... - 59 - 
1  Security ................................................................................................................................................................ - 59 - 
1.1  Access Restriction (ezTCP Firewall) ................................................................................................ - 59 - 

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1.2  Setting Password .................................................................................................................................... - 59 - 
1.3  Using WEP ................................................................................................................................................ - 60 - 
1.4  Using WPA-PSK ...................................................................................................................................... - 60 - 
1.5  Using WPA-Enterprise.......................................................................................................................... - 61 - 
1.6  Advanced Settings ................................................................................................................................ - 62 - 
2  Option Tab Functions .................................................................................................................................... - 63 - 
2.1  Notify IPv4 Change ............................................................................................................................... - 63 - 
2.2  Sending MAC Address ........................................................................................................................ - 64 - 
3  Serial Port Tab Functions ............................................................................................................................. - 65 - 
3.1  TELNET COM port Control Option (RFC 2217) - ① .............................................................. - 65 - 
3.2  Disable TCP Transmission Delay - ② ........................................................................................... - 65 - 
3.3  Data Frame Interval - ③ .................................................................................................................... - 66 - 
3.4  Separator - ④.......................................................................................................................................... - 66 - 
3.5  TCP Server / Client mode - ⑤ ........................................................................................................ - 66 - 
4  Additional Functions...................................................................................................................................... - 67 - 
4.1  Wireless RSSI(Received Signal Strengh Indication) function ............................................. - 67 - 
4.2  Factory Reset ........................................................................................................................................... - 68 - 
Checklist in Trouble ............................................................................................................. - 69 - 
1  Searching problem with ezManager ...................................................................................................... - 69 - 
2  Connection Problem over TCP/IP ............................................................................................................ - 70 - 
3  Data Communication Problem on the Serial Port .......................................................................... - 71 - 
Technical Support and Warranty ...................................................................................... - 72 - 
1  Technical Support ........................................................................................................................................... - 72 - 
2  Warranty .............................................................................................................................................................. - 72 - 
2.1  Refund ......................................................................................................................................................... - 72 - 
2.2  Free Repair Services ............................................................................................................................. - 72 - 
2.3  Charged Repair Services..................................................................................................................... - 72 - 
Precaution and Exemption from Liability ....................................................................... - 73 - 
1 Precaution........................................................................................................................................................... - 73 - 
2 Exemption from Liability .............................................................................................................................. - 74 - 
2.1 English version ........................................................................................................................................ - 74 - 
2.2 French version ......................................................................................................................................... - 75 - 
Revision History ................................................................................................................... - 77 - 
 

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1 Overview

1.1 Overview

Including PCs, almost all communication devices communicate over a serial interface.

Serial communication is the standard protocol that transmits and receives data in a bit

order. It is broadly used in the world due to its simple process whilst it has disadvantages

such as distance limitation and high installation/maintenance cost.

CSW-H85K2 is a converter enabling serial devices to support TCP/IP communication

through wireless LAN. It carries out the converting process with TCP/IP protocol, so that

facilitate remote control and monitoring system.

1.2 Features

⚫ connect serial devices to IEEE 802.11b/g wireless LAN

⚫ IPv4/IPv6 dual stack

⚫ Soft AP mode: support WEP and simple DHCP server

⚫ various WLAN securities: WPA-PSK, WPA-Enterprise(EAP-TLS/TTLS, PEAP)

⚫ Wireless RSSI(Received Signal Strength Indication) mode

⚫ RS232/RS422/RS485 interface

⚫ SMA connector for an external antenna

⚫ Stable embedded TCP/IP stack

⚫ Easy configuration program (ezManager / web configuration)

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1.3 Application Examples

⚫ 1:1 network with a PC

Figure 1-1 1:1 network with a PC

⚫ 1:1 network with a PC through an AP

Figure 1-2 1:1 network with a PC through an AP

⚫ Internet connection with a xDSL/cable modem

Figure 1-3 Internet connection with an xDSL/cable modem

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1.4 Specification

1.4.1 Hardware

Power

Input Voltage

DC 5V (±0.5V)

Current

typically 260mA

Dimension

88.5㎜ x 57㎜ x 23㎜ (without an antenna)

Weight

About 64g (without an antenna)

Interface

Serial

1 x RS232/422/485 (Baud Rate: 300bps ~ 230,400bps)

WLAN

2dBi external antenna (IEEE 802.11b/g)

with SMA connector

Temperature

Operating: -10 ~ 70℃ / Storage: -40 ~ 85℃

Approval

KC

RoHS

RoHS Compliant

Table 1-1 hardware specification

1.4.2 Software

Protocol

IPv4/IPv6 dual stack, TCP, UDP, IP, ICMP, ARP, TELNET, DHCP,

DNS lookup, DDNS, Telnet COM Port Control Option(RFC2217),

WEP, WPA-PSK, WPA-Enterprise (EAP-TLS/TTLS, PEAP)

Operation

mode

Normal

For Normal Data Communication

ISP

For Upgrading F/W

Serial Configuration

For Configuration via Serial or WLAN(Soft AP)

Communication

mode

TCP Server

TCP Passive Connection

TCP Client

TCP Active Connection

AT Command

TCP Passive / Active Connection

UDP

Major

Utilities

ezManager

Configuration Utility for MS Windows

ezVSP

Serial to TCP/IP Virtual driver for MS Windows

Table 1-2 software specification

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1.5 Dimensions

Figure 1-4 dimensions



Dimensions may vary according to a method of measurement.

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1.6 Interface

1.6.1 Panel Layout

Figure 1-5 panel layout

1.6.2 Wireless LAN Interface

CSW-H85K2 is embedded with a wireless LAN module. The connector for connecting

antenna is SMA jack. You can connect an antenna with SMA plug type.

Figure 1-6 SMA jack for an antenna

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1.6.3 Serial Interface

CSW-H85K2 has D-SUB 9 pin male connector for connecting serial devices.

Figure 1-7 D-SUB 9 pin male connector

⚫ Pin Assignment in RS232

Number

Name

Description

Level

I/O

Wiring

1

-

2

RXD

Receive Data

RS232

In

Required

3

TXD

Transmit Data

RS232

Out

Required

4

DTR

Data Terminal Ready

(always output active signal)

RS232

Out

Optional

5

GND

Ground

-

Required

6

DSR

Data Set Ready

RS232

In

Optional

7

RTS

Request To Send

RS232

Out

Optional

8

CTS

Clear To Send

RS232

In

Optional

9

-

Table 1-3 pin assignment in RS232

⚫ Pin Assignment in RS422

Number

Name

Description

Level

I/O

Wiring

1

TX -

Transmit Data -

RS422

Out

Required

2

-

3

RX -

Receive Data -

RS422

In

Required

4

RX +

Receive Data +

RS422

In

Required

5

GND

Ground

-

Required

6

-

7

-

8

-

9

TX +

Transmit Data +

RS422

Out

Required

Table 1-4 pin assignment in RS422

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⚫ Pin Assignment in RS485

Number

Name

Description

Level

I/O

Wiring

1

TRX -

Data -

RS485

In/Out

Required

2

-

3

-

4

-

5

GND

Ground

-

Required

6

-

7

-

8

-

9

TRX +

Data +

RS485

In/Out

Required

Table 1-5 pin assignment in RS485



RS422/RS485 built-in 3.9KΩ Biasing resister.

⚫ Serial Port Parameters

Parameter

Value

Number

1

Type

RS232 / RS422 / RS485

Baud rate

300 ~ 230,400 [bps]

Parity

NONE / EVEN / ODD / MARK / SPACE

Data bit

8 / 7 / 6 / 5

Stop bit

1 / 2

Flow control

NONE / RTS/CTS

Table 1-6 serial port parameters



Note that the duration of [Stop bit] will be not 2 bits but 1.5 bits, if you set [Data

bit] to 5.

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1.6.4 Power

CSW-H85K2 requires DC5V power supply whose specification is as follows:

Figure 1-8 power connector

1.7 ETC.

1.7.1 LED indicators

There are 5 LED indicators on the top panel operating as follows:

Mode

Name

Color

Status

Description

Common

PWR

Red

On

Supplying the power

Normal

mode

RXD

Yellow

Blinks

Receiving data from the WLAN

TXD

Green

Blinks

Sending data to the WLAN

STS

Yellow

Blinks in every

second

Obtaining an IP address

Blinks 4 times at

once

Without obtaining an IP address

by DHCP

On

Establishing TCP connection

LINK

Green

Blinks

Not connecting to the WLAN

On

Connecting to the WLAN

ISP mode

STS

Yellow

Off

Operating in ISP mode

Serial

Configuration

mode

STS

Yellow

Blinks

simultaneously

Operating in Serial Configuration

mode

LINK

Green

RXD

Yellow

TXD

Green

Table 1-7 LED indicators



Refer to the 7.4.1 for LED operations of Wireless RSSI function.

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1.7.2 Function button

There is a function button on the side. Pressing this button changes the operation mode

to Serial Configuration mode.

Figure 1-9 function button

1.7.3 Function switch

You can change the operation mode to Serial Configuration mode or make CSW-H85K2

operate in Wireless RSSI mode by clicking this switch.

Mode

Setting

Normal mode

(Wireless RSSI)

Serial Configuration

mode

Table 1-8 use of function switch

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2 Installation and Test

2.1 WLAN Overview

CSW-H85K2 supports IEEE802.11b/g. IEEE802.11 standard that is called Wi-Fi has two

network topologies, Infrastructure and Ad-hoc mode.

For security, CSW-H85K2 supports WEP, WPA-PSK and WPA2-PSK.

2.1.1 WLAN mode: Infrastructure

In this mode, every wireless LAN station communicates through an Access Point (AP) so

that all stations can be connected to Ethernet, because AP is able to interface witch both

wireless LAN and wired LAN (Ethernet).

Figure 2-1 infrastructure mode

Select [Infrastructure] on [Wireless LAN] tab of ezManager.

Figure 2-2 setting of Infrastructure



You can download ezManager on our website.

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2.1.2 WLAN mode: Ad-hoc

Wireless LAN stations communicate each other without an AP in this mode. Therefore,

you can easily make this network. It is suitable for the situation when there is no wired LAN

requirement on a small-scale network. Usually, it is called peer-to-peer mode.

Figure 2-3 Ad-hoc mode

Select [Ad-hoc] on [Wireless LAN] tab of ezManager.

Figure 2-4 setting of Ad-hoc

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2.1.3 WLAN mode: Soft AP

Soft AP(Software embedded Access Point) is a mode that a wireless client can act as an

AP through software embedded AP functions. Using this mode, a wireless client allows

communicate with not only laptops and smartphone but also devices which don’t have Ad-

hoc function.

CSW-H85K2 supports Soft AP function. While operating in this function, it has 10.1.0.1 as

its IP address and assigns an IP address of 10.1.X.X to each of clients. (A simple DHCP

server)

Figure 2-5 Soft AP mode

Although this function is automatically operated in Serial Configuration mode, you can

set manually on [Wireless LAN] tab of ezManager like the figure below.

Figure 2-6 setting of Soft AP

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2.1.4 Key terms

⚫ SSID(Service Set Identifier)

It is a name to identify the particular wireless LAN. So every single station should

have the same SSID to communicate in the network. In the case of infrastructure

mode, you have to set the same SSID with the AP to CSW-H85K2. Otherwise, it will

not communicate at all. The maximum length of this parameter is 31 bytes and the

default is “sollae”.

⚫ Channel

Wireless LAN stations communicate through the ISM (Industrial, Scientific, and

Medical) band which has the range of frequencies around 2.4GHz. IEEE 802.11

specification divides this band into 14 channels in every 5MHz. If you install more

than one wireless network in the same area, the channels should be apart more than

4 channels to avoid interferences.

2.1.5 Authentication and Security

⚫ Authentication

A wireless LAN station should get authentication from the AP in the infrastructure

network. There are two methods for the authentication and those are Open System

and Shared Key.

⚫ WEP (Wired Equivalent Privacy)

The WEP is a secure protocol for wireless LAN. You need to set 64 bit or 128 bit key.

You can use both hexadecimal and ASCII code for this.

⚫ WPA (Wi-Fi Protected Access)

WPA is a security standard for users of devices equipped with Wi-Fi wireless

connection. It is an improvement on and is expected to replace the original Wi-Fi

security standard, Wired Equivalent Privacy (WEP). There are two modes about the

user authentication in WPA security. One is Enterprise which has an authentication

server and the other is PSK (Pre-Shared Key) which does not have any servers.

⚫ WPA2

To final security of Wireless LAN, IEEE 802.11i which is a standard about Wireless LAN

has suggested the Counter Mode with Cipher Block Changing Message

Authentication Code Protocol (CCMP) for replacing the TKIP. CCMP uses Advanced

Encryption Standard (AES). WPA 2 adopts AES. WPA 2 has also both Enterprise and

PSK mode.

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2.2 Installation

Before testing CSW-H85K2, make sure that a connection between your PC and CSW-

H85K2 is established via Serial and wireless LAN. This section is an example which is based

on Infrastructure mode.

Figure 2-7 WLAN and RS232 connection with a laptop

2.2.1 Making Wireless LAN link

When you connect an AP or wireless LAN adapter to your PC, Wireless LAN link is not

automatically established. Therefore, its parameters should be set on CSW-H85K2

beforehand.

⚫ Setting by Serial

① Supplying Power

Supply power of CSW-H85K2.

② Changing to Serial Configuration mode

Press the function button or place the function switch to SET.

③ Reading environmental parameters

Open a COM port of [Serial] tab on ezManager and press [Read] button.

Figure 2-8 reading environmental parameters

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④ Configuring Wireless LAN Parameters

Set the same SSID and security options on the [Wireless LAN] tab.

Figure 2-9 an example for setting WLAN parameters

⚫ Setting by Soft AP

In case that you cannot use serial port, Soft AP function allow you to set those

parameters as follows;

① Supplying Power

② Entering Serial Configuration mode

Soft AP is automatically activated when products are under Serial Configuration mode.

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Sollae Systems CSW-H85K2 Manuel utilisateur

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