Sollae systems Cse-h25 User manual

Sollae Systems Co., Ltd.

http://www.sollae.co.kr

Serial Device Server

CSE-H25 User’s Manual

Version 1.2

2009-09-03

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 1 -

http://www.sollae.co.kr

To all residents of the European Union

Important environmental information about this product

This symbol on this unit or the package indicates that disposal of this unit after its

lifecycle could harm the environment. Do not dispose of the unit as unsorted

municipal waste; it should be brought to a specialized company for recycling. It is your

responsibility to return this unit to your local recycling service. Respect your local

environmental regulation. If in doubt, contact your local waste disposal authorities

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 2 -

http://www.sollae.co.kr

Contents

1OVERVIEW ....................................................................................................................- 5 -

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

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

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

1.3.1

LED indicators.....................................................................................................................................- 7 -

1.3.2

ISP Switch .............................................................................................................................................- 7 -

1.4 Interface....................................................................................................................................................- 8 -

1.4.1

RS232 Port (DB9M) ..........................................................................................................................- 8 -

1.4.2

Ethernet Interface..............................................................................................................................- 9 -

1.4.3

Power................................................................................................................................................... - 10 -

2GETTING START........................................................................................................ - 11 -

2.1 Installation Method.......................................................................................................................... - 11 -

2.1.1

Checking the Communication Environment ..................................................................... - 11 -

2.1.2

Connecting to the Network ...................................................................................................... - 12 -

2.1.3

Configuring the Environmental Variables........................................................................... - 12 -

2.2 Test Run ................................................................................................................................................ - 12 -

2.2.1

Changing IP Address of PC....................................................................................................... - 12 -

2.2.2

Installing CSE-H25 ......................................................................................................................... - 12 -

2.2.3

Configuring CSE-H25 ................................................................................................................... - 12 -

2.2.4

Communication Test..................................................................................................................... - 14 -

3CONFIGURATION ..................................................................................................... - 17 -

3.1 IP Address and Environmental Variables............................................................................... - 17 -

3.2 Configuring with ezManager....................................................................................................... - 17 -

3.2.1

ezManager......................................................................................................................................... - 17 -

3.2.2

Buttons of ezManager ................................................................................................................. - 18 -

3.2.3

Parameters of ezManager.......................................................................................................... - 18 -

3.2.4

Matters to be attended to......................................................................................................... - 19 -

3.3 AT command....................................................................................................................................... - 19 -

3.4 IP Address Related Categories Settings via DHCP............................................................ - 20 -

3.5 IP Address settings via PPPoE .................................................................................................... - 20 -

3.6 Notify IP Change............................................................................................................................... - 21 -

3.6.1

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

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 3 -

http://www.sollae.co.kr

3.6.2

TCP/UDP............................................................................................................................................. - 21 -

4SYSTEM MANAGEMENT ......................................................................................... - 22 -

4.1 Operation Mode................................................................................................................................ - 22 -

4.1.1

Normal mode................................................................................................................................... - 22 -

4.1.2

Serial Configuration Mode ........................................................................................................ - 22 -

4.1.3

ISP Mode............................................................................................................................................ - 22 -

4.1.4

Comparison between two modes .......................................................................................... - 22 -

4.2 Upgrading Firmware........................................................................................................................ - 23 -

4.3 Checking current status ................................................................................................................. - 24 -

4.3.1

Telnet login....................................................................................................................................... - 24 -

4.3.2

Commands ........................................................................................................................................ - 24 -

4.1 Status on ezManager ...................................................................................................................... - 26 -

4.1.1

Status of the CSE-H25 ................................................................................................................. - 26 -

4.1.2

Closing TCP connection by the ezManager ...................................................................... - 26 -

4.2 Remote Debugging.......................................................................................................................... - 27 -

5COMMUNICATION MODE...................................................................................... - 28 -

5.1 Introduction ......................................................................................................................................... - 28 -

5.2 T2S –TCP Server ............................................................................................................................... - 29 -

5.2.1

TCP Connection .............................................................................................................................. - 29 -

5.2.2

Serial Data before the TCP Connection .............................................................................. - 29 -

5.2.3

Data Transmission ......................................................................................................................... - 29 -

5.2.4

Disconnection .................................................................................................................................. - 30 -

5.2.5

Multiple Monitoring...................................................................................................................... - 30 -

5.3 COD –TCP Client.............................................................................................................................. - 31 -

5.3.1

Serial Data before the TCP Connection .............................................................................. - 31 -

5.3.2

Data Transmission ......................................................................................................................... - 31 -

5.3.3

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

5.3.4

DNS ...................................................................................................................................................... - 32 -

5.4 ATC .......................................................................................................................................................... - 33 -

5.5 U2S .......................................................................................................................................................... - 34 -

6ATC MODE................................................................................................................. - 35 -

6.1 Overview................................................................................................................................................ - 35 -

6.1.1

AT command format .................................................................................................................... - 35 -

6.2 Basic AT Command Set (Example: ATA, ATD etc.) ............................................................ - 35 -

6.3 Extended AT Commands (Example: AT+PLIP etc.) ............................................................ - 36 -

6.4 Online State and AT Command State..................................................................................... - 36 -

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 4 -

http://www.sollae.co.kr

6.4.1

Changing Online State to AT Command State ............................................................... - 37 -

6.4.2

Changing AT Command State to Online State................................................................ - 37 -

6.5 Example of Configuration with AT Command .................................................................... - 37 -

6.6 Example of TCP Connection ........................................................................................................ - 38 -

6.6.1

Example of Active Connection................................................................................................. - 38 -

6.6.2

Example of Active Connection with host name .............................................................. - 38 -

6.6.3

Example of passive Connection .............................................................................................. - 39 -

6.7 Example of TCP Disconnection................................................................................................... - 39 -

6.7.1

Example of active disconnection ............................................................................................ - 39 -

6.7.2

Example of passive disconnection ......................................................................................... - 39 -

7SECURITY PROTOCOLS & OPTION ....................................................................... - 40 -

7.1 SSL............................................................................................................................................................ - 40 -

7.1.1

SSL (Secure Socket Layer) .......................................................................................................... - 40 -

7.1.2

How to set the SSL on CSE-H25 ............................................................................................ - 40 -

7.1.3

Restriction.......................................................................................................................................... - 41 -

7.2 SSH .......................................................................................................................................................... - 41 -

7.2.1

SSH (Secure Shell) ......................................................................................................................... - 41 -

7.2.2

How to set the SSH on CSE-H25 ........................................................................................... - 41 -

7.2.3

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

7.3 ezTCP Firewall..................................................................................................................................... - 43 -

8TECHNICAL SUPPORT, WARRANTY, AND NOTES ON OPERATION .............. - 45 -

8.1 Technical Support ............................................................................................................................. - 45 -

8.2 Warranty................................................................................................................................................ - 45 -

8.2.1

Refund................................................................................................................................................. - 45 -

8.2.2

Free Repair Services...................................................................................................................... - 45 -

8.2.3

Charged Repair Services............................................................................................................. - 45 -

9REVISION HISTORY.................................................................................................. - 47 -

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 5 -

http://www.sollae.co.kr

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-H25 in ezTCP product group is a product that provides TCP/IP communication

through Ethernet. In other words, like other ezTCP products, CSE-H25 sends data from the

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

As CSE-H25 has a RS232 port, it can be connected to a RS232 device. And it is easy

CSE-H25 to attach to user systems because of its compact size. It can be operated wide

range temperature condition, so it is very suitable for noisy industrial environment.

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 also provides debugging function, so user can solve the problem

with ours.

1.2 Components

CSE-H25 Body

CD including utilities and documents

5V Power Adapter

RS232 cable for PC connection

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 6 -

http://www.sollae.co.kr

1.3 Specification

Power

Input Voltage

5V (±10%)

Current

200mA typical

Dimension

87mm x 57mm x 24mm

Weight

about 70g

Interface

Serial

9 pin Dsub male

Network

10/100 Base T (RJ45)

Serial Port

RS232 (300bps ~ 230400bps, RTS/CTS Flow control)

Network

Ethernet 10/100 M bit auto-sense

Auto MDI/MDIX

Protocols

TCP, UDP, IP, ICMP, ARP, DHCP, PPPoE,

DNS lookup, DDNS(Dynamic DNS)

Telnet COM Port Control Option(RFC2217)

SSL, SSH

Diagnostic

Online Debugging Function

RoHS

RoHS Compliant

Approvals

KCC: SLS-CSE-H25 (A)

CE: F690501/SP-EMY000211

Communicati

on Mode

T2S

TCP Server Mode

COD

TCP Client Mode

ATC

TCP Server / Client

(AT command emulation)

U2S

UDP

Utilities

ezManager

Configuration utility via LAN

ezterm

Socket test utility

hotflash

Firmware download utility via TFTP

ezVSP

Serial-TCP/IP virtual driver for Windows



You can download the firmware from our website (http://www.eztcp.com).

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 7 -

http://www.sollae.co.kr

1.3.1 LED indicators

There are 5 LED indicators on the CSE-H25. The followings are the operations of each

LED indicator.

Table 1-1 System LED

Mode

Name

Color

Status

Description

Common

PWR

Red

Power is on

LINK

Green

Being connected with Ethernet

RXD

Yellow

Blinks

Receiving packet from Ethernet

TXD

Green

Blinks

Sending packet to Ethernet

Normal

mode

STS

Yellow

Blinks in every

second

IP address is assigned.

Blinks 4 times

at once

IP address is not assigned by DHCP

or PPPoE.

ISP mode

STS

Off

Entering ISP mode

Serial

Configuration

mode

STS

/RXD

/TXD

Blinks twice at

once

Entering Serial Configuration mode

1.3.2 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-H25 operates as ISP mode.

User can do firmware download to the CSE-H25 in the ISP mode. Please refer to 4.2 for

more information on firmware download.

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 8 -

http://www.sollae.co.kr

1.4 Interface

1.4.1 RS232 Port (DB9M)

There is a RS232 port which is interfaced with 9 pin D-sub male connector. The serial

ports are isolated electrically.

Figure 1-1 9 pin D-sub male connector

RS232 port

Table 1-2 RS232 Port Specification

Number

Name

Description

level

Dir.

Etc.

DCD

Data Carrier Detect

RS232

Input

optional

RXD

Receive Data

RS232

Input

mandatory

TXD

Transmit Data

RS232

Output

mandatory

DTR

Data Terminal Ready

RS232

Output

optional

GND

Ground

mandatory

DSR

Data Set Ready

RS232

Input

optional

RTS

Request To Send

RS232

Output

optional

CTS

Clear To Send

RS232

Input

optional

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-H25 has RTS/CTS flow-control function.

CSE-H25 User’s Manual Ver. 1.2

Sollae Systems Co., Ltd.

- 9 -

http://www.sollae.co.kr

Telnet COM Port Control Option

CSE-H25 has a Telnet COM Port Control function that is defined in the RFC2217. If this

option is set, CSE-H25 transmits serial input signals (CTS, DSR) to the peer host and set

the values (RTS, DTR, baud rate, data bits, parity, stop bit) onto its serial ports from the

peer host.

TX Interval

CSE-H25 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-H25‟s serial ports. Its

unit is byte.

1.4.2 Ethernet Interface

Network part of CSE-H25 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-H25 also has factory-set hardware address (which is called

MAC address)

Figure 1-2 RJ45 Ethernet connector

Table 1-4 Ethernet port pin description

Number

Name

Direction

Tx+

Output

Tx-

Output

Rx+

Input

Rx-

Input

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