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Sollae Systems CSE-H20 User Manual

Serial device server
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Serial Device Server
CSE-H20 User's Manual
Version 1.8
2009-07-13
Sollae Systems Co., Ltd.
http://www.sollae.co.kr

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Summary of Contents for Sollae Systems CSE-H20

  • Page 1 Serial Device Server CSE-H20 User's Manual Version 1.8 2009-07-13 Sollae Systems Co., Ltd. http://www.sollae.co.kr...
  • Page 2 CSE-H20 User's Manual Ver. 1.8 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;...

  • Page 3: Table Of Contents

    3.1.3 Configuring the Environmental Variables ................- 12 - 3.2 Test Run ................................- 12 - 3.2.1 Changing PC IP Address ......................... - 12 - 3.2.2 Installing CSE-H20 ..........................- 12 - 3.2.3 Configuring CSE-H20 ........................- 12 - 3.2.4 Communication Test ......................... - 13 - CONFIGURING IP ADDRESS VARIABLES .................
  • Page 4 CSE-H20 User's Manual Ver. 1.8 4.6.1 DDNS (Dynamic Domain Name System) ................. - 19 - 4.6.2 TCP/UDP..............................- 19 - OPERATION MODE......................- 20 - 5.1 Operation Mode Overview ......................... - 20 - 5.1.1 Overview ..............................- 20 - 5.2 How to Initiate Each Operation Mode ....................- 20 - 5.2.1 How to Initiate the Normal Mode ....................
  • Page 5 SECURITY PROTOCOLS & OPTION .................. - 34 - 8.1 SSL ..................................- 34 - 8.1.1 SSL (Secure Socket Layer) ....................... - 34 - 8.1.2 How to set the SSL on CSE-H20 ....................- 34 - 8.1.3 Restriction ............................... - 35 - 8.2 SSH ..................................- 35 - 8.2.1 SSH (Secure Shell) ..........................

  • Page 6: Overview

    LAN after TCP/IP processing and vice versa. As CSE-H20 has 2 RS232 ports, it can be connected to two RS232 devices in the same time. And it is easy CSE0-H20 to attach to user systems because of its compact size.

  • Page 7: Specifications

    CSE-H20 User's Manual Ver. 1.8 Specifications 2.1 Components CSE-H20 Body 5V Power Adopter (Option) RS232C cable for PC connection - RJ45-DB9F-1M (Option) RS232C cable for user device connection - RJ45-DB9M-1M (Option) Cross-over Ethernet cable (Option) DIN rail adopter (Option) 2.2 Specifications Input Voltage 5V (±10%)

  • Page 8: Interface

    LEDs of Serial Port Condition Color Operation Green disconnected Yellow As same as CTS (on: CTS active) Green Blinks if CSE-H20 gets data from the serial port. connected Yellow As same as RTS(on: RTS active) Sollae Systems Co., Ltd. - 7 - http://www.sollae.co.kr...
  • Page 9 TX Delay CSE-H20 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-H20’s serial ports. Its unit is byte.

  • Page 10: Ethernet Interface

    Each piece of Ethernet equipment has unique hardware addresses, and Each piece of Ethernet equipment has unique hardware addresses, and Each piece of Ethernet equipment has unique hardware addresses, and CSE-H20 also has factory-set hardware address (which is called MAC address).

  • Page 11: System Leds

    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-H20 operates as ISP mode. User can do firmware download to the CSE-H20 in the ISP mode. Please refer to 4.2 for more information on firmware download.

  • Page 12: Installation And Test Run

    IP address environment (local IP, subnet mask, gateway, DHCP/PPPoE etc.) Serial port type of the equipment to which CSE-H20 is going to be connected (RS232) Serial port items of the equipment to which CSE-H20 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.)

  • Page 13: Test Run

    LAN cable to the hub to which the PC is connected or directly to the PC, and the supplied CSE-H20 power adapter to CSE-H20 for power supply. If the LAN cable has been correctly connected when power is supplied, LINK LED turns on.

  • Page 14: Communication Test

    1470/1471 3.2.4 Communication Test Power the CSE-H20 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. Sollae Systems Co., Ltd. - 13 -...
  • Page 15 TCP connection is established there will be “Connected [ 10.1.0.1 : 1470 ]. And the STS indicator will be on. Press the [Open] button after selecting serial port that is connected to the CSE-H20. If the serial port is open, the “COM1 the COM port has opened” message will be shown.
  • Page 16 CSE-H20 User's Manual Ver. 1.8 [Send] box will be transmitted to the [Receive] box on the RS232 part (Bottom). 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.

  • Page 17: Configuring Ip Address Variables

    CSE-H20. 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-H20 over the network, or by using AT commands in ATC mode.

  • Page 18: Buttons Of Ezmanager

    CSE-H20 User's Manual Ver. 1.8 4.2.2 Buttons of ezManager Button Description Read Read the values configured through MAC or IP address. Write Store the changed values of parameters Set Password Set or remove the password by this button. Status Check the status of ezTCP in real time.

  • Page 19: Matters To Be Attended To

    Matters to be attended to ezManager can be used when you want to change your device’s environment variables. In case of CSE-H20, two interfaces are supported and those are Ethernet and RS232 port. Using Ethernet Port For use ezManager through Ethernet, CSE-H20 should be connected with PC on networks.

  • Page 20: Ip Address Settings Via Pppoe

    4.6.1 DDNS (Dynamic Domain Name System) If the CSE-H20 obtains its IP address, it notices to the service provider. Then the service provider serves DNS service. So, even though user doesn’t know the CSE-H20’s IP address, user can connect to the CSE-H20 by the host name (after DNS looking up.) The DDNS service provider that the CSE-H20 supports is only Dyndns (http://www.dyndns.com)

  • Page 21: Operation Mode

    5.2.3 How to Initiate the ISP Mode If user press the ISP button hen CSE-H20 boots up or user press the button over 1 second in the normal mode, it operates as ISP mode that is firmware download mode. 5.2.4 Comparison of Operation Modes The following table is the comparison of the above described operation modes.

  • Page 22: Normal Communication Mode

    5.4 Serial Configuration Mode This mode is for configuration under condition which the network is unavailable. When entering this mode, parameters of CSE-H20 can be set by its COM1 port. [Serial] tap on the ezManager let users do this. 5.5 ISP Mode 5.5.1...
  • Page 23 Supply power with pressing ISP button or push the button over 1 second, then CSE-H20 operates in the ISP mode. Run hotflash that is supplied by us and input IP address of CSE-H20 and select the firmware with the [FILE] menu. Then, send it with [SEND] button. (Uncheck the [Verify firmware version] option.)

  • Page 24: Normal Communication Mode

    [Event Byte] settings. If the [Event Byte] is 0, the data that comes to serial port of CSE-H20 will not be recognized. If it is not 0, the serial data before TCP connection will be temporarily saved to be sent to the host after the connection.

  • Page 25: Disconnection

    CSE-H20 User's Manual Ver. 1.8 designated [Data Frame], CSE-H20 will send the saved data. If the [Data Frame] is 0, CSE- H20 will send serial port’s data immediately. The unit used for the [Data Frame] is 10m seconds, so CSE-H20 rounds down rest of the values.

  • Page 26: Cod - Tcp Client

    Data before TCP connection will be handled based on the [Event Byte] settings. If the [Event Byte] is 0, the data that comes to [Event Byte] is 0, the data that comes to CSE-H20’s serial port will not be recognized. If it is ’s serial port will not be recognized. If it is...

  • Page 27: Dns

    [Timeout] is 1 second. 6.2.4 If users set the host name instead of the IP address on the [Peer Address] box, CSE-H20 query the IP address of the host to its Domain Name Server (DNS). The IP address of DNS can be configured on ezManager.

  • Page 28: Atc

    6.3 ATC – AT Command AT Command In ATC mode, the user can control the In ATC mode, the user can control the CSE-H20 in a similar way to controlling the ilar way to controlling the modem using AT command.

  • Page 29: U2S

    U2S is a mode that performs UDP communication. In UDP communication, data is sent in block units. Therefore, data that comes through CSE-H20’s serial port must be classified in block units to send it elsewhere. The block unit classification process is performed as the following.

  • Page 30: Atc Mode

    ATC Mode 7.1 Overview CSE-H20 can be controlled by AT commands in ATC mode. For example, the peer host IP address can be set by AT+PRIP command and connect to the host by ATD command. Therefore, CSE-H20 communicates several hosts alternatively.

  • Page 31: Extended At Commands (Example: At+Plip Etc.)

    During TCP disconnected, AT commands can be used AT Command State To use AT commands during the connection, required escape sequence During TCP connected, all serial data to CSE-H20 convert TCP Online State and send to Ethernet Sollae Systems Co., Ltd.

  • Page 32: Changing Online State To At Command State

    AT+PSE command. 7.4.2 Changing AT Command State to Online State If CSE-H20’s state is in AT command state during TCP connection, CSE-H20’s state can be changed into online state by an ATO command. 7.5 Example of Configuration with AT Command...

  • Page 33: Example Of Active Connection

    AT+PNIP=168.126.63.1<CR> ▶ connect ◀ <CR><LF>OK<CR><LF> Command OK Setting the host name to connect After this command, CSE-H20 query the AT+PRHN=”www.sollae.co.kr”<CR> ▶ host name to the name server. After getting the IP address, it sets to the +PRIP parameter. ◀ <CR><LF>OK<CR><LF>...

  • Page 34: Example Of Tcp Disconnection

    CSE-H20 User's Manual Ver. 1.8 A host connects to CSE-H20 ◀ <CR><LF>CONNECT<CR><LF> TCP connection OK Data Communication 7.7 Example of TCP Disconnection 7.7.1 Example of active disconnection CSE-H20 disconnects the connection. Serial Port Description Data Communication(during TCP connection) [Data Frame]+++[Data Frame] ▶...

  • Page 35: Security Protocols & Option

    To works for SSL, you have to set the SSL-related parameters as the following steps. Set the [SSL] check box in the ezManager. Log in the CSE-H20 with telnet client. Generate an RSA key with a command. CSE-H20 supports 512, 768, and 1024 length keys. Command Format: rsa keygen [key length] Make a certificate with a ‘cert new’...

  • Page 36: Restriction

    Save the parameters for SSL with a ‘ssl save aa55cc33’ command. 8.1.3 Restriction To use the SSL with CSE-H20, there is a restriction. You can use only one serial port (COM1) if you set the SSL function. 8.2 SSH 8.2.1 SSH (Secure Shell) SSH is a network protocol that allows secure communications between two devices.

  • Page 37: Eztcp Firewall

    Save the parameters for SSH with a ‘ssh save aa55cc33’ command. 8.2.3 Restriction To use the SSH function with CSE-H20, there is a restriction. You can use only T2S mode (TCP Server mode) if you set the SSH function 8.3 ezTCP Firewall CSE-H20 has two connection limitation functions.
  • Page 38 CSE-H20 with ezManager. This is enabled when one of restrictions is set at least. All security functions are disabled in the ISP mode. So user can access the CSE-H20 in the ISP mode even though user can’t access the CSE-H20 in the normal mode because of the [ezTCP Firewall] function.

  • Page 39: Checking & Debugging

    9.1.1 Telnet Login If the [Telnet] parameter is set, user can log in the CSE-H20. User can monitor the status of the serial ports and the network. If user inputs “telnet [CSE-H20 IP Address]”, user can log in the CSE-H20 with telnet.
  • Page 40 Serial Ports I/O data capture This command is available on 1.2H or subsequently released firmware version. User can monitor the input / output data of CSE-H20’s serial ports with the “sd” command. The way of using this command is like below.

  • Page 41: Status On Ezmanager

    CSE-H20 User's Manual Ver. Ver. 1.8 9.2 Status on ezMan Status on ezManager 9.2.1 Status of the CSE Status of the CSE-H20 If the [Status] button is pressed on ezManager, user can monitor the current status of the If the [Status] button is pressed on ezManager, user can monitor the current status of the If the [Status] button is pressed on ezManager, user can monitor the current status of the CSE-H20 with ezManager.

  • Page 42: Remote Debugging

    UDP port 50006. Then user can get the messages with new window if user presses [Debugging Message] button as followed: This function is very useful when there are any problems when users install the CSE-H20 in the user site.

  • Page 43: Technical Support, Warranty, And Notes On Operation

    10.1 If you have any question regarding operation of the product, visit Customer Support FAQ corner and the message board on Sollae Systems’ web site or send us an email at the following address: support@eztcp.com Website Address for Customer Support: http://www.eztcp.com/en/Support/support.php...
  • Page 44 Do not use the product for a purpose that requires exceptional quality and reliability relating to user’s injuries or accidents – aerospace, aviation, health care, nuclear power, transportation, and safety purposes. Sollae Systems is not responsible for any accident or damage occurring while using the product. Sollae Systems Co., Ltd.

  • Page 45: Revision History

    CSE-H20 User's Manual Ver. 1.8 11 Revision History Date Version Comment Jan.15.2007 Initial touch Feb.22.2007 Initial release Aug.31.2007 Add Serial Interface Add Telnet COM Port Control Option Sep.27.2007 Add DDNS(Dynamic DNS) function Dec.04.2008 Add SSL, SSH function Modify ISP- pin function...

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