Sollae Systems EZL-200F User Manual
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Sollae Systems EZL-200F User Manual

Eztcp series tcp/ip protocol converter
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EZL-200F User‟s Manual
Version 1.7
Sollae Systems Inc.

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Summary of Contents for Sollae Systems EZL-200F

  • Page 1 EZL-200F User‟s Manual Version 1.7 Sollae Systems Inc.
  • Page 2 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

    3.2........................- 15 - 3.2.1. Changing PC IP Address ..................... - 15 - 3.2.2. Installing EZL-200F ....................- 15 - 3.2.3. Configuring EZL-200F ....................- 15 - 3.2.4. Connecting to the PC Serial Port ................- 16 - 3.2.5. Communication Test ....................- 16 - CONFIGURING IP ADDRESS AND ENVIRONMENTAL VARIABLES ....
  • Page 4 4.5. ARP ..................- 30 - ETTING ADDRESS BY 4.5.1. Setting of EZL-200F’s IP address in Windows ............- 30 - 4.5.2. Setting of EZL-200F’s IP address in Linux ..............- 30 - 4.6. IP A DHCP ............- 31 -...
  • Page 5 7.6.2. Example of passive Connection ................... - 48 - 7.7. TCP D ................- 48 - XAMPLE OF ISCONNECTION 7.7.1. Example of active disconnection ................. - 48 - 7.7.2. Example of passive disconnection ................- 48 - OTHER FUNCTIONS ....................- 49 - 8.1.

  • Page 6: Overview

    It provides DHCP and PPPoE functions, so that it can be applied to the cable network and the xDSL network. As EZL-200F provides SSL security function and SSH login function, it can be used in a system that requires a high level of security. And it also provides Multi-monitoring function, so several hosts can communicate with EZL-200F at the same time.

  • Page 7: Applications

    RS232, RS422, or RS485 interface for communication, User can apply EZL-200F to most of devices. 1.2.2. SSL/SSH Secure Communications As EZL-200F support an SSL function, it can be applicable to systems that require security. It also supports SSH login function, so it provides more powerful security function.

  • Page 8: Multi-Monitoring

    1.2.3. Multi-Monitoring Up to 8 hosts can connect to an EZL-200F at the same time. So it is very useful to multi- user systems. 1.2.4. Serial Tunneling If user wants to connect two serial devices each other for a long distance, EZL-200F are suitable.

  • Page 9: A Simple Router By Slip Function

    1.2.5. A simple router by SLIP function User can connect two Ethernet networks by using two EZL-200F‟s SLIP function. If EZL-200F is set as SLIP, it operates as a simple router via its RS232 or RS485 line. - 9 -...

  • Page 10: Specifications

    2. Specifications  EZL-200F Body  5V Power Adopter (Option)  RS232C cable for PC connection (Option) 2.1. Specifications Input Voltage 5V (±10%) Power Current 320mA typical Dimension 136mm x 83mm x 29mm Weight About 140g Serial 9pin Dsub male...

  • Page 11: Interface

    2.2. Interface 2.2.1. Power DC 5V is used for EZL-200F and the specification is below: 2.2.2. Dsub Connector The connector of serial port is 9 pin Dsub male. The specification is below: - 11 -...
  • Page 12  RS-232 number name description level Dir. Etc. Data Carrier Detect RS232 Input Mandatory Receive Data RS232 Input Mandatory Transmit Data RS232 Output Mandatory DTR Data Terminal Ready RS232 Optional Output Ground Ground Mandatory Data Set Ready RS232 Optional Input Request To Send RS232 Optional...

  • Page 13: Status Leds

    Packets are being transmitted to Ethernet 2.2.4. Ethernet Interface Network part of EZL-200F 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 automatically detect 1:1 cable or cross-over cable.

  • Page 14: Installation And Test Run

     IP address environment (local IP, subnet mask, gateway, etc.)  Serial port type of the equipment to which EZL-200F is going to be connected (RS232, RS422, RS485)  Serial port items of the equipment to which EZL-200F is going to be connected (baud rate, data bit, parity, stop bit) ...

  • Page 15: Connecting To The Network

    Connect the supplied RS232 cable between your PC and EZL-200F, the LAN cable to the hub to which the PC is connected or directly to the PC, and the supplied EZL-200F power adapter to EZL-200F for power supply. If the LAN cable has been correctly connected when power is supplied, LINK LED turns on.

  • Page 16: Connecting To The Pc Serial Port

    Then, run serial communication program such as Hyper Terminal and Teraterm. When the program is run, select the same serial port values as those set to EZL-200F [19200bps, data bit: 8 bits, stop bit: 1 bit, no parity], which will finish the preparation for serial communication.

  • Page 17: Configuring Ip Address And Environmental Variables

    You can set the IP address and the serial port related items by using ezConfig, the supplied configuration utility which allows you to configure your EZL-200F over the network, by logging in Telnet, or by using AT commands in ATC mode. Also, you can set IP address temporarily, using ARP method which uses MAC address (hardware address).
  • Page 18 User comment on the product Multi Conn. Multi-connection (T2S only)  Local IP Address IP address of EZL-200F. If you set DHCP or PPPoE, an IP address is automatically allocated.  Subnet Mask Sets subnet mask of the network where EZL-200F is installed ...
  • Page 19 200F operates as TCP server or as the port number waiting for UDP data when it operates in U2S communication mode.  Peer Port Local port number of the server to connect when EZL-200F operates as TCP client or to transmit UDP data when it operates as U2S  Serial Type Selects a serial port interface of EZL-200F, among RS232, RS422 (full duplex), and RS485 (half duplex) interfaces.
  • Page 20  Block (Byte) Decides the size of UDP packet to be sent at a time when EZL-200F operates as U2S.  COD Delay – Possible to set using Telnet (See 3.3). Time after connection is off as Conn. Byte is 0 in COD mode until connection is reestablished (unit: second) ...
  • Page 21 SSL – Possible to set using Telnet (See 3.3) Enabled when SSL is used.  When this item is set, User login EZL-200F by SSH client not telnet client. Its ID is „admin‟ and password is the password that is set on the password item. ...

  • Page 22: Configuration By Ezconfig

    EZL-200F sends its MAC address to the peer host as soon as the TCP connection is established. This function operates only in the T2S and COD mode. 4.2. Configuration by ezConfig 4.2.1. ezConfig Menus The basic environmental variables (IP address related items, serial port items, and etc.) can be set by ezConfig which is an integrated management tool for Windows.

  • Page 23: Example Configuration Of Ezconfig

    You can see only the ezTCP configuration values if you press this button after entering the 6-digit hexadecimal number printed on the ezTCP main body in the MAC ADDRESS box. It is useful when there are too many ezTCPs attached to the network to search for one from the LIST box.
  • Page 24 Set [ezTCP Mode], [Local IP Address], [Local Port], and serial port related items. After setting press [Write] button. If there is any error during writing process, check the LAN between PC and EZL-200F.  Check if the set IP address is correct with ping command in DOS prompt.

  • Page 25: Configuration Using Telnet

    <When IP address is a.b.c.d.> √ IP address, subnet mask, and gateway IP address of both PC and EZL-200F should be correct to succeed in ping test. 4.3. Configuration using Telnet You can configure the environmental variables for Telnet connection, using Telnet client in your Windows or Linux or using a terminal like Teraterm Pro.
  • Page 26 Then, the DOS window appears. Enter “Telnet 10.1.0.1” in the DOS window, and click “Enter”.  When the following message is displayed, Telnet connection is successfully established.  If a password has been set to EZL-200F, Telnet connection is established only when the password is entered. - 26 -...
  • Page 27  The following is a screen for setting the IP address related items.  The following is a screen for setting the serial port related items and the TCP port related items.  The following is a screen for setting SSL and other items. - 27 -...

  • Page 28: Configuration Commands By Telnet

    Item Description MAC ADDR Fixed EZCFG Enable ezConfig function. Enable IP setting by ARP. Select to receive EZL-200F IP address as DHCP DHCP. env if Select to receive EZL-200F IP address as PPPOE PPPoE. LOCAL IP IP address of EZL-200F...

  • Page 29: At Command

    Communication Mode MUX TYPE (0: T2S, 1: ATC, 2: COD, 3: U2S) T2S, ATC, COD: Limit Time to Keep Connection (unit: 10ms) TIME OUT U2S: UDP data receiving time from serial port for a block (unit: 10ms) LOCAL PORT Local Port Number Minimum number of bytes attempting to COD: connect...

  • Page 30: Setting Ip Address By Arp

    4.5. Setting IP address by ARP If ARP function is enabled, EZL-200F saves the destination IP address of the first packet which incomes to its MAC address as its local IP address to its volatile memory. By using this function, user can set IP address of EZL-200F.

  • Page 31: Setting Ip Address-Related Items By Dhcp

    PPPoE is used in most ADSL and VDSL. To use PPPoE function, PPPoE function should be enabled and PPPoE ID and PPPoE password should be configured. The local IP address of EZL-200F is assigned automatically in PPPoE environment. √ Some ADSL or VDSL modem use DHCP. Please contact your ISP (Internet Service Provider).

  • Page 32: Operation Mode

    For more information, see “6. Normal Communication Mode.” 5.2.2. How to Initiate Console Mode Press and hold the ISP button on the back of the product for one second, EZL-200F operation mode is switched to console mode. In console mode, you can configure EZL-200F through the serial port in RS232 communication mode.

  • Page 33: How To Initiate Isp Mode

    115200 bps, 8 data bits, no parity, 1 stop bit, no flow control. Supply power to EZL-200F with pressing the ISP button on the back of the product, and EZL-200F operates in ISP mode. The following is the message displayed on the serial terminal when EZL-200F is connected to the serial port in ISP mode.

  • Page 34: Console Mode

    Need for User Configuration of Communication Equipment Environmental Protocol Connection Topology Mode Software Variables through Modification Serial Port Passive Not needed Impossible Connection Active/Passive Needed Possible Connection Active Not needed Impossible Connection No Connection Not needed Impossible TCP protocol requires connection process. The connection is always established as 1:1 connection.
  • Page 35 Enter the program command „p‟, and press the Enter key. Then, the following message is displayed.  Firmware to be downloaded is transmitted. The following is a screen displayed when the firmware is normally transmitted to EZL-200F and saved in its flash - 35 -...
  • Page 36 memory without an error.  When downloading is completed, turn off the power and then turn it on again. √ You can also download firmware over Ethernet after logging in Telnet. For more information, refer to the supplied application note. - 36 -...

  • Page 37: Normal Communication Mode

    To limit the peer host, user should set [Peer IP Address]. The only pre-defined host can be accessible. If [Peer IP Address] is 0.0.0.0, any host can connect to EZL-200F. If Multi Conn. Function is enabled, Maximum 8 hosts connect to EZL-200F. All hosts which are connected communicate with EZL-200F.
  • Page 38 Set the following for T2S mode: Item Description Local IP Address IP address of EZL-200F Subnet mask Subnet Mask Gateway IP address of gateway Address Port number for waiting to be connected in IP Address Local Port Server mode Related Items...

  • Page 39: Atc (At Command)

    6.2. ATC (AT Command) In ATC mode, the user can control the ezTCP in a similar way to controlling the modem using AT command. In ATC mode, only a TCP connection is possible and both the server and the client can be configured. In ATC mode, the AT command allows the user to set environment variables including the IP address and control TCP connection and disconnection.
  • Page 40 Set the following for ATC mode. Item Description Local IP Address IP address of EZL-200F Subnet mask Subnet Mask Gateway IP address of gateway Address Port number for waiting to be connected in Local Port IP Address Server mode Relate Items...

  • Page 41: Cod (Connect On Demand)

    6.3. COD (Connect On Demand) In COD mode, the ezTCP functions as a client. When data of the pre-specified size [CONN BYTE] comes to the serial port, the ezTCP attempts a TCP connection to the TCP port [PEER PORT] of the preset host IP [PEER IP ADDRESS].
  • Page 42 Set the following for COD mode. Item Description Local IP Address IP address of EZL-200F Subnet mask Subnet Mask Gateway IP address of gateway Address IP Address Peer IP address to connect Peer IP Address Related Item Peer Port Peer port number to connect...

  • Page 43: U2S (Udp To Serial)

    6.4. U2S (UDP To Serial) U2S mode allows for UDP communication. In UDP mode, data are transmitted in blocks, which requires dividing data coming to the serial port into blocks before transmitting data. A procedure for dividing data into blocks is as follows: If data of pre-specified bytes [Conn.
  • Page 44 Set the following for U2S mode. Item Description Local IP address of EZL-200F Address Subnet mask Subnet Mask Gateway IP address of gateway IP address Address Related Item Port number for UDP data receving Local Port Peer Peer IP address to transmit...

  • Page 45: Atc Mode

    7. ATC Mode 7.1. Overview EZL-200F 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, EZL-200F communicates several hosts alternatively.

  • Page 46: Extended At Commands (Example: At+Plip Etc.)

    To change online state to online command state during the connection, +++ string should be transmitted to EZL-200F as following time interval. When transmitting +++ string to EZL-200F, +++ string will be sent to peer host. The time from final data the first „+‟ data of No data over 500ms(guard time)

  • Page 47: Changing Online Command State To Online State

    Time interval after receiving last „+‟ No data over 500ms (guard time) 7.4.2. Changing Online Command State to Online State If EZL-200F‟s state is in online command state during TCP connection, EZL-200F‟s state can be changed into online state by an ATO command. 7.5.

  • Page 48: Example Of Passive Connection

    ▶ Set LOCAL PORT to listen AT+PLP=1470<CR> ◀ <CR><LF>OK<CR><LF> Command OK ▶ Passive connection command ATA<CR> Listen on local port from a host A host connects to EZL-200F ◀ <CR><LF>CONNECT<CR><LF> TCP connection OK Data Communication 7.7. Example of TCP Disconnection 7.7.1. Example of active disconnection EZL-200F disconnects the connection.

  • Page 49: Other Functions

    (RTS, CTS, DTR, DSR). The transmission function is defined in the RFC2217 by telnet protocol. EZL-200F also provides Telnet COM Port Option defined in the RFC2217. To enable the Telnet COM Port Option, login EZL-200F and input „env ext‟ and press „y‟ for TELCOM.

  • Page 50: Ping Test

    8.4. Ping Test On EZL-200F console, you can test ping from EZL-200F to another host. Ping test command format is as follows. Ping <SP> IP Address <SP> count  IP Address IP address of the host from which ping test is to be performed ...

  • Page 51: Setting Cod Delay In Cod Mode

    8.6. Setting COD Delay in COD Mode If Conn. Byte is 0 in COD mode, EZL-200F attempts to connect to the pre-set host as soon as it is started. If connection is off after normal connection has been established, EZL-200F attempts to reconnect the host, usually after 10 second delay.

  • Page 52: Technical Support

    9.1. 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.sollae.co.kr/Support/index.html...
  • Page 53  Sollae Systems does not guarantee successful operation of the product if the product was used under conditions deviating from the product specifications.  Reverse engineering of firmware and applications provided by Sollae Systems is prohibited.  Use of firmware and applications provided by Sollae Systems for purposes other than those for which they were designed is prohibited.

  • Page 54: Document Revision History

    10. Document Revision History Date Version Comment Jun. 24. 2005 The first Release Dec. 05. 2005 1.3 Changed all fonts into Times New Roman Added Revision History Dec. 26.2005 Added Trash Mark for WEEE Jan.19.2007 Add SSH, SLIP, Telnet COM Port Option Add MAC ID function Add Applications Nov.28.2007...

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