Sollae Systems CSE-H21 Manuel utilisateur

Sollae Systems Co., Ltd.

http://www.ezTCP.com

2 Ports RS232 Ethernet Converter

CSE-H21 User Manual

Version 2.4

CSE-H21 User Manual Ver. 2.4

Sollae Systems Co., Ltd.

- 1 -

http://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.

CSE-H21 User Manual Ver. 2.4

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Contents

1 Overview .................................................................................................................................. - 5 -

1.1 Overview ................................................................................................................................................................ - 5 -

1.2 Components ......................................................................................................................................................... - 5 -

1.3 Specification ......................................................................................................................................................... - 6 -

1.3.1

Hardware ...................................................................................................................................................... - 6 -

1.3.2

Software ........................................................................................................................................................ - 6 -

1.4 Layout ...................................................................................................................................................................... - 7 -

1.4.1

Layout ............................................................................................................................................................ - 7 -

1.4.2

LED indicators............................................................................................................................................. - 8 -

1.4.3

ISP Switch ..................................................................................................................................................... - 8 -

1.5 Interface ................................................................................................................................................................. - 9 -

1.5.1

RS232 Port (DB9M) .................................................................................................................................. - 9 -

1.5.2

Ethernet Interface .................................................................................................................................. - 11 -

1.5.3

Power ........................................................................................................................................................... - 12 -

2 Getting Start ......................................................................................................................... - 13 -

2.1 Installation Method ........................................................................................................................................ - 13 -

2.1.1

Checking the Communication Environment ............................................................................. - 13 -

2.1.2

Connecting to the Network .............................................................................................................. - 14 -

2.1.3

Configuring the Environmental Variables ................................................................................... - 14 -

2.2 Test Run ............................................................................................................................................................... - 14 -

2.2.1

Changing PC IP Address .................................................................................................................... - 14 -

2.2.2

Installing CSE-H21 ................................................................................................................................. - 14 -

2.2.3

Configuring CSE-H21 ........................................................................................................................... - 14 -

2.2.4

Communication Test ............................................................................................................................. - 16 -

3 Configuration ....................................................................................................................... - 19 -

3.1 IP Address and Environmental Variables ............................................................................................. - 19 -

3.2 Configuring with ezManager ..................................................................................................................... - 19 -

3.2.1

ezManager ................................................................................................................................................ - 19 -

3.2.2

Buttons of ezManager ......................................................................................................................... - 20 -

3.2.3

Parameters of ezManager .................................................................................................................. - 20 -

3.2.4

Matters to be attended to ................................................................................................................ - 21 -

3.3 AT command ..................................................................................................................................................... - 21 -

3.4 Notify IP Change ............................................................................................................................................. - 21 -

3.4.1

DDNS (Dynamic Domain Name System) .................................................................................... - 21 -

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3.4.2

TCP/UDP..................................................................................................................................................... - 22 -

4 System Management .......................................................................................................... - 23 -

4.1 Operation Mode .............................................................................................................................................. - 23 -

4.1.1

Normal mode .......................................................................................................................................... - 23 -

4.1.2

Serial Configuration Mode ................................................................................................................ - 23 -

4.1.3

ISP Mode ................................................................................................................................................... - 23 -

4.1.4

Comparison between two modes .................................................................................................. - 23 -

4.2 Upgrading Firmware ...................................................................................................................................... - 24 -

4.3 Checking current status ............................................................................................................................... - 25 -

4.3.1

Telnet login ............................................................................................................................................... - 25 -

4.3.2

Commands ................................................................................................................................................ - 25 -

4.4 Check Status in the ezManager ............................................................................................................... - 27 -

4.5 Remote Debugging ........................................................................................................................................ - 28 -

4.6 Sending MAC Address.................................................................................................................................. - 28 -

5 Communication Mode ........................................................................................................ - 29 -

5.1 Introduction ....................................................................................................................................................... - 29 -

5.2 T2S – TCP Server ............................................................................................................................................. - 30 -

5.2.1

TCP Connection ...................................................................................................................................... - 30 -

5.2.2

Serial Data before the TCP Connection ...................................................................................... - 30 -

5.2.3

Data Transmission ................................................................................................................................. - 30 -

5.2.4

Disconnection .......................................................................................................................................... - 31 -

5.3 COD – TCP Client ............................................................................................................................................ - 32 -

5.3.1

Serial Data before the TCP Connection ...................................................................................... - 32 -

5.3.2

Data Transmission ................................................................................................................................. - 32 -

5.3.3

Disconnection .......................................................................................................................................... - 33 -

5.3.4

DNS .............................................................................................................................................................. - 33 -

5.4 ATC – AT Command ....................................................................................................................................... - 34 -

5.4.1

Key parameters ....................................................................................................................................... - 34 -

5.4.2

Examples .................................................................................................................................................... - 35 -

5.5 UDP ....................................................................................................................................................................... - 38 -

5.5.1

Key parameters ....................................................................................................................................... - 38 -

5.5.2

Examples .................................................................................................................................................... - 39 -

6 Security Protocols & Option ............................................................................................. - 41 -

6.1 SSL ......................................................................................................................................................................... - 41 -

6.1.1

SSL (Secure Socket Layer) .................................................................................................................. - 41 -

6.1.2

How to set the SSL on CSE-H21 .................................................................................................... - 41 -

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6.1.3

Restriction.................................................................................................................................................. - 42 -

6.2 SSH ........................................................................................................................................................................ - 42 -

6.2.1

SSH (Secure Shell) ................................................................................................................................. - 42 -

6.2.2

How to set the SSH on CSE-H21 ................................................................................................... - 42 -

6.2.3

Restriction.................................................................................................................................................. - 43 -

6.3 ezTCP Firewall ................................................................................................................................................... - 44 -

7 Related material ................................................................................................................... - 45 -

7.1 Technical Documents .................................................................................................................................... - 45 -

7.2 Smart phone application ............................................................................................................................. - 45 -

8 Technical Support and Warranty ...................................................................................... - 46 -

8.1 Technical Support ........................................................................................................................................... - 46 -

8.2 Warranty .............................................................................................................................................................. - 46 -

8.2.1

Refund ......................................................................................................................................................... - 46 -

8.2.2

Free Repair Services ............................................................................................................................. - 46 -

8.2.3

Charged Repair Services..................................................................................................................... - 46 -

9 Precaution and Exemption from Liability ....................................................................... - 47 -

9.1 Precaution........................................................................................................................................................... - 47 -

9.2 Exemption from Liability .............................................................................................................................. - 48 -

9.2.1

English version ........................................................................................................................................ - 48 -

9.2.2

French version ......................................................................................................................................... - 48 -

10 Revision History ................................................................................................................... - 51 -

CSE-H21 User Manual Ver. 2.4

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1 Overview

1.1 Overview

Along with the development of the Internet, the demand for data communication

functions has increased recently. Data communication over the Internet requires using

TCP/IP, the Internet communication protocol. That is to say, in order to connect a system to

the Internet, TCP/IP protocol must be implemented. It is possible to implement TCP/IP by

directly implementing the protocol, porting public TCP/IP, or using Operating System (OS).

However, all these methods impose burdens on the developer in time, cost, and technology.

ezTCP series, a Serial ↔ TCP/IP protocol converter product group of Sollae Systems,

enables you to use TCP/IP communication (the Internet communication) function simply by

“connecting the cable to a serial port”. ezTCP sends data from the serial port to the Internet

network after TCP/IP processing, and vice versa.

CSE-H21 in ezTCP product group is a product that provides TCP/IP communication

through Ethernet. In other words, like other ezTCP products, CSE-H21 sends data from the

serial port to the LAN after TCP/IP processing and vice versa.

As CSE-H21 has 2 RS232 ports, it can be connected to two RS232 devices in the same

time. And it is easy CSE-H21 to attach to user systems because of its compact size.

Because it has SSL and SSH function, user can communicate more safely. And it provides

DHCP and PPPoE functions, so that it can be applied to the cable network and the xDSL

network. And it has DDNS (Dynamic DNS) function, so it can be used more easily in the

internet.

It can be operated wide range temperature condition and its serial ports are isolated

electrically and there is surge protection function on the Ethernet port, so it is very suitable

for noisy industrial environment.

It also provides debugging function, so user can solve the problem with ours.

1.2 Components

 CSE-H21 Body

 CD including utilities and documents (Optional)

 5V Power Adapter (Optional)

 RS232 cable for PC connection (Optional)

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1.3 Specification

1.3.1 Hardware

Power

Input Voltage

DC 5V (±10%)

Current

270mA typical

Dimension

158mm x 90mm x 24mm

Weight

About 340g

CPU

Arm7 Core

Serial Port

Serial

2 × RS232 – RTS/CTS Flow Control

(Baud rate: 300bps ~ 230,400bps)

Network

Ethernet 10Base-T or 100Base-TX (Auto-Sensing)

Auto MDI / MDIX cable auto-sense

Temperature

Storage Temperature: -40 ~ 85℃

/ Operating Temperature: -40 ~ 85℃

Certification

MIC, CE, FCC

RoHS

RoHS Compliant

1.3.2 Software

Protocol

TCP, UDP, IP, ICMP, ARP, DHCP, PPPoE, DNS lookup, DDNS(Dynamic

DNS), Telnet COM Port Control Option(RFC2217), SSL, SSH

Diagnose

Online Debugging Function

Operation

mode

Normal

For Normal Data Communication

ISP

For Upgrading F/W

Serial Configuration

For Configuration via Serial

Communicat

ion mode

TCP Server

TCP Passive Connection

TCP Client

TCP Active Connection

AT Command

TCP Passive / Active Connection

UDP

UDP – No Connection

Major

Utilities

ezManager

Configuration Utility for MS Windows

(Supports Downloading F/W)

ezVSP

Serial to TCP/IP Virtual driver for MS Windows

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1.4 Layout

1.4.1 Layout

There are an Ethernet port, two RS232 ports, and a Power socket on the top side. And

there is an ISP switch on the right side. And 15 LED indicators are in the CSE-H21.

Figure 1-1 CSE-H21 Layout

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1.4.2 LED indicators

There are 15 LED indicators on the CSE-H21. The left 5 are for LAN status, and the

middle and right 5 are for COM1 and COM2 respectively. The followings are the operations

of each LED indicators.

Table 1-1 LED indicators

Mode

Name

Color

LED Status

Description

Common

LAN

PWR

Red

On

Power is supplied.

LINK

Green

On

CSE-H21 is connected to the

Ethernet.

RXD

Yellow

Blinks

Ethernet packet is received

TXD

Green

Blinks

Ethernet packet is transmitted

COM

RXD

Yellow

Blinks

serial data are received

TXD

Green

Blinks

serial data are transmitted

RTS

Green

On

There are enough rooms to

receive serial data.

CTS

Yellow

On

CTS signal from the counter-part

serial device

Normal

mode

LAN

STS

Yellow

Blinks in

every second

IP address is assigned.

Blinks 4 times

/sec

IP address is net assigned in

DHCP or PPPoE modes.

COM

TCP

Green

On

TCP is connected

ISP

mode

LAN

STS

Yellow

Off

CSE-H21 is in the ISP mode

Serial

Configuration

mode

LAN

RXD/

TXD/

STS

-

blink 2 times

/sec

at one time

CSE-H21 is in the Serial

Configuration mode

COM1

TCP

Green

On

A RS232 cable is connected for

the serial configuration.

1.4.3 ISP Switch

There is an ISP switch on the side. If this switch is push 20ms~1s, it operates as Serial

Configuration Mode. If this switch is push over 1 second, CSE-H21 operates as ISP mode.

User can do firmware download to the CSE-H21 in the ISP mode. Please refer to 4.2 for

more information on firmware download.

CSE-H21 User Manual Ver. 2.4

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1.5 Interface

1.5.1 RS232 Port (DB9M)

There are two RS232 ports. The ports are interfaced with 9 pin D-sub male connectors.

The serial ports are isolated electrically.

Figure 1-2 9 pin D-sub male connector

 RS232 ports

Table 1-2 RS232 Port Specification

Number

Name

Description

level

Dir.

Etc.

1

DCD

Data Carrier Detect

RS232

Input

optional

2

RXD

Receive Data

RS232

Input

mandatory

3

TXD

Transmit Data

RS232

Output

mandatory

4

DTR

Data Terminal Ready

RS232

Output

optional

5

GND

Ground

-

mandatory

6

DSR

Data Set Ready

RS232

Input

optional

7

RTS

Request To Send

RS232

Output

optional

8

CTS

Clear To Send

RS232

Input

optional

9

RI

Ring Indicator

RS232

Input

optional

 Data bits, Parity, Stop bit

Table 1-3 RS232 Parameters

Items

Parameters

Data bit

8, 7, 6, 5

Parity

None, Even, Odd, Mark, Space

Stop bit

1, 1.5, 2

 Flow Control

CSE-H21 supports RTS/CTS Hardware Flow Control.

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 Telnet COM Port Control Option (RFC2217)

CSE-H21 has Telnet COM Port Control Option function that is specified by RFC2217.

If the Telnet COM Port Control Option is enabled, CSE-H21 sends the CTS, DSR control

signal to the communication counterpart, and CSE-H21 sets its serial port items (RTS,

DTR, Baud rate, data bits, parity, stop bit) after getting information from the

communication counterpart.

 Disable TCP Transmission Delay

If you use this option, CSE-H21 sends the data from the serial port to Ethernet as

quickly as possible.

 TX Delay

CSE-H21 has a function that delays its serial data for the user’s slow device. User can

set the interval between byte and byte which are outputting from CSE-H21’s serial

ports. Its unit is byte.

 TCP Server / Client mode

This mode is available on TCP client mode only. In this mode, you don’t need to

change the mode for switching active or passive TCP connection. Note that the

[Event Byte] option should be set to 1 or lager value.

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1.5.2 Ethernet Interface

Network part of CSE-H21 is configured with Ethernet. So, what you have to do is only to

connect UTP cable. The Ethernet part detects 10Mbit or 100Mbit Ethernet automatically, to

connect the corresponding cable. It also provides auto MDI/MDIX function to detect 1:1

cable or cross-over cable automatically. Each piece of Ethernet equipment has unique

hardware addresses, and CSE-H21also has factory-set hardware address (which is called

MAC address)

Figure 1-3 RJ45 Ethernet connector

Table 1-4 Ethernet port pin description

Number

Name

Direction

1

Tx+

Output

2

Tx-

Output

3

Rx+

Input

4

-

5

-

6

Rx-

Input

7

-

8

-

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1.5.3 Power

DC5V is used for CSE-H21 and the specification is below:

Figure 1-4 DC 5V Power Jack

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2 Getting Start

2.1 Installation Method

You can install CSE-H21 in the following steps.

Table 2-1 CSE-H21 Installation steps

Title

Item

Sub-item

1.

Checking the

communication

environment

Check items

IP address environment

Serial port parameters

Application program to be used

2.

Connecting to

the network

Check

method

Check the LINK LED

3.

Configuring

the

environmental

parameters

Configuration

method

Set by ezManager, a utility program for

configuration through the network.

Set by AT commands in ATC mode

Configuration

items

IP address related items

Serial port related items

Communication mode (depending on

application program)

4. Application to the field

2.1.1 Checking the Communication Environment

Before installing CSE-H21, check the network environment where CSE-H21 is to be

installed, including the followings matters:

 IP address environment (local IP, subnet mask, gateway, DHCP/PPPoE etc.)

 Serial port type of the equipment to which CSE-H21 is going to be connected

(RS232)

 Serial port items of the equipment to which CSE-H21 is going to be connected

(baud rate, data bit, parity, stop bit, flow control)

 Application program protocol to be used (TCP/UDP, server/client, etc.)

 Security Function (SSL, SSH)

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2.1.2 Connecting to the Network

Connect power to CSE-H21, and connect CSE-H21 either directly to the Ethernet port of

the PC where test is to be performed or to the network (hub) to which the PC is connected.

2.1.3 Configuring the Environmental Variables

When network connection is completed, configure the environmental variables such as IP

address related items, serial port related items, and communication mode related items

through the LAN using “ezManager” the environmental variable configuration program.

2.2 Test Run

You can perform test run according to the following orders. The test run described here

is based on the assumption that the IP address of the PC is set to 10.1.0.2.

2.2.1 Changing PC IP Address

You can change the IP address of your PC as follows:

IP Address

10.1.0.2

Subnet Mask

255.0.0.0

Gateway IP Address

-

2.2.2 Installing CSE-H21

Connect the supplied RS232 cable between your PC and CSE-H21, the LAN cable to the

hub to which the PC is connected or directly to the PC, and the supplied CSE-H21 power

adapter to CSE-H21 for power supply. If the LAN cable has been correctly connected when

power is supplied, LINK LED turns on.

2.2.3 Configuring CSE-H21

Configure CSE-H21 setting using ezManager, the ezTCP configuration program, as follows.

Run ezManager, and click [Search All] button in the ezManager window. And, ezManager

program will search all CSE-H21s on the local network.

When ezTCP is searched, MAC address of the ezTCP is displayed on the [Search Result]

window (The MAC address is indicated at the bottom of the product case).

Select the corresponding MAC address, and set the variables considering your network

environment.

When no ezTCP is found, check the Windows firewall. If you press [Windows Firewall]

button in the ezManager, you can see the Windows Firewall menu directly.

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For simple test, we recommend that the variables keep default values as shown in the

below table.

Parameter

Value

Network

Local IP Address

10.1.0.1

Subnet Mask

255.0.0.0

Option

Telnet

Enabled

IP Address Search

Enabled

Serial Port

(COM1/2)

Serial Type

RS232

Baud Rate

19200bps

Parity

NONE

Data Bits

8

Stop Bit

1

Flow

NONE

Communication Mode

T2S – TCP Server

Local Port

1470/1471

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2.2.4 Communication Test

Power the CSE-H21 off and on, then it tries to connect to the LAN.

 A program for testing starts if you press the [Simple Test] button of the ezManager.

 Press the [Connect] button after inputting 10.1.0.1 and 1470 in the IP and Port. If

the TCP connection is established there will be “Connected [10.1.0.1: 1470]. And the

STS indicator will be on.

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 Press the [Open] button after selecting serial port that is connected to the CSE-H21.

If the serial port is open, the “COM1 the COM port has opened” message will be

shown.

 If you press the [Send Data] button on the LAN part (Top), the data shown in the

[Send] box will be transmitted to the [Receive] box on the RS232 part (Bottom).

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 If you press the [Send Data] button on the RS232 part (Bottom), the data shown in

the [Send] box will be transmitted to the [Receive] box on the LAN part.

 If the transmitting and receiving data are same, the communication test is

successful.

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3 Configuration

3.1 IP Address and Environmental Variables

For TCP/IP communication, you must set IP address related items. In addition, you have

to set serial port related items (serial port type, communication speed, data bit length,

parity bit, flow control, etc) to CSE-H21.

You can set the IP address and the serial port related items by using ezManager, the

supplied configuration utility which allows you to configure your CSE-H21 over the network,

or by using AT commands in ATC mode

3.2 Configuring with ezManager

3.2.1 ezManager

The basic environmental variables (IP address related items, serial port items, and etc.)

can be set by ezManager which is an integrated management tool for Windows.

The ezManager is operated in Microsoft Windows (Windows 2000 Pro, ME, XP Pro/Home,

Vista, 7). Following is the screen shot of ezManager which is just launched.

Figure 3-1 the initial window of the ezManager

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