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Sollae Systems EZL-200F User Manual

Multifunctional serial device server
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Multifunctional Serial Device Server
EZL-200F User's Manual
Version 2.1
Sollae Systems Co., Ltd.
http://www.sollae.co.kr

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Summary of Contents for Sollae Systems EZL-200F

  • Page 1 Multifunctional Serial Device Server EZL-200F User’s Manual Version 2.1 Sollae Systems Co., Ltd. http://www.sollae.co.kr...

  • Page 2: Table Of Contents

    EZL-200F User’s Manual Ver. 2.1 Contents Overview ..........................- 4 - 1.1 Overview ................................- 4 - 1.2 Application Examples ............................- 4 - 1.3 Components ................................. - 6 - 1.4 Specification ................................. - 7 - 1.4.1 Hardware ..............................- 7 - 1.4.2 Software ................................
  • Page 3 EZL-200F User’s Manual Ver. 2.1 4.5 Console mode ..............................- 25 - 4.6 ISP Mode ................................- 25 - Communication Modes ...................... - 26 - 5.1 TCP Server ................................- 26 - 5.1.1 Key parameters ............................- 26 - 5.1.2 Examples ..............................- 27 - 5.2 TCP Client ................................
  • Page 4 EZL-200F User’s Manual Ver. 2.1 7.6.2 Data flow ..............................- 48 - 7.7 SLIP (Serial Line Internet Protocol) ......................- 48 - 7.8 RS422 and RS485 Communication ......................- 49 - Self Test in Trouble ......................- 50 - 8.1 Searching problem with ezConfig......................- 50 - 8.2 Connection Problem over TCP/IP ......................

  • Page 5: Overview

    The serial communication is quite simple to implement but has weaknesses like short distance and hard maintenance. EZL-200F lets the serial devices connect to the Internet. To communicate on the Internet, devices should use TCP/IP protocol, so EZL-200F processes the converting serial data to TCP/IP.
  • Page 6 EZL-200F User’s Manual Ver. 2.1 Applied to the Internet on Cable Networks  Fig 1-3 applied to the Internet on cable networks Applied to the Internet with an IP Share Router  Fig 1-4 applied to the Internet with an IP share router Sollae Systems Co., Ltd.

  • Page 7: Components

    EZL-200F User’s Manual Ver. 2.1 An example for Serial Line Internet Protocol (SLIP)  An example for Multi monitoring function  1.3 Components EZL-200F’s Body  RS232 Cross Cable (Option)  DC 5V Power Adapter (Option)  Wiring Adapter for RS-422 and 485 (Option) ...

  • Page 8: Specification

    EZL-200F User’s Manual Ver. 2.1 1.4 Specification 1.4.1 Hardware Input Voltage DC 5V (±10%) Power Current 320mA typical Dimension 136mm x 83mm x 29mm Weight About 140g ARM7 Core Memory 256 K Bytes Flash Memory, 2M Bytes SDRAM RS232 – RTS/CTS Flow Control / RS422 / RS485...

  • Page 9: Interfaces

    EZL-200F User’s Manual Ver. 2.1 1.5 Interfaces 1.5.1 Serial Interface EZL-200F has a serial port for user serial device (1,200bps ~ 115,200bps). This port is interfaced with 9 pins D-sub male connector. Fig 1-5 9 pins D-sub Male connector Pin Assignment for the RS232 ...

  • Page 10: Ethernet Interface

    IN/OUT 1.5.2 Ethernet Interface Since part of EZL-200F network is composed of Ethernet, UTP cable may be connected. It will automatically sense 10Mbits or 100Mbits Ethernet and connect itself. It also provides auto MDI/MDIX function that can automatically sense 1:1 cable or cross over cable.

  • Page 11: Others

    1.6.2 ISP Switch There is a switch, which is named ISP switch (or button) located on the side of the product. You can change the operation mode of EZL-200F to ISP or Console mode with this switch. Fig 1-8 ISP switch Sollae Systems Co., Ltd.

  • Page 12: Installation And Test

    Procedures for the test are followed. 2.1.1 Setting Network Aera This step is for setting both EZL-200F and users’ PC to be located the same network. If only they are, the TCP connection between them can be established. Setting of the PC ...
  • Page 13 First, search your EZL-200F via network. All the values of parameters were set to default values in the factory. To apply it to your system, proper values should be set via ezConfig. Major parameters’...

  • Page 14: Simple Test

     Fig 2-3 settings for TCP connection ① Select [TCP Client] ② Input correct IP address and port number of EZL-200F ③ Clink the [Connect] button. (In case of TCP Server, it will be [Listen] button) Opening RS232 Port ...
  • Page 15 EZL-200F User’s Manual Ver. 2.1 Confirm the TCP Connection and COM port status  Fig 2-5 TCP Connected message ⑦ Check the message if the TCP connection is established Fig 2-6 COM Port open message ⑧ Check the message if the COM port has been opened Sollae Systems Co., Ltd.
  • Page 16 EZL-200F User’s Manual Ver. 2.1 Data transmission test  Fig 2-7 successful data transmission ⑨ Click the [Send data] on the LAN part ⑩ Check the data have been shown from the step ⑨ Fig 2-8 LAN → RS232 ⑪ Press the [Send data] on the RS232 part ⑫...

  • Page 17: Configuration

    Checklists  Make sure the connection between your PC and EZL-200F. If they are the same network, [Search All] button on the [MAC Address] tab can be used. If they aren’t, only [Read] button on the [IP Address] tab is allowed to use.

  • Page 18: Configuration Through Console

    3.2.1 Using TELNET Checklists  Make sure the connection between your PC and EZL-200F over Ethernet. [TELNET] option should be checked by the ezConfig and if there is a password, you have to know the password when you log on via TELNET.
  • Page 19 EZL-200F User’s Manual Ver. 2.1 RS-232 SERIAL TYPE Serial Type RS-422 RS-485 BAUD RATE Baud rate: 1,200 ~ 115,200 bps None PARITY Parity Even DATA BITS Data bits: 7, 8 bits RTSCTS Hardware Flow Control XON/XOFF Software Flow Control TELNET...

  • Page 20: Using Serial Port

    When you input a command and module, each available parameter appears one by one. You can set values directly or use “y” and “n” in some options. If one or more parameters are changed, EZL-200F stores the setting and reboots automatically after the last parameter.

  • Page 21: At Command

     Make sure the connection between your PC and EZL-200F using RS232 cross cable. To use this, EZL-200F has to be set to [AT command] mode as its communication mode. This can be configured by ezConfig. Fig 3-6 setting the communication mode to the AT command Procedures ...

  • Page 22: Assigning An Ip Address Automatically

    3.4 Assigning an IP address automatically 3.4.1 Obtain an IP automatically (DHCP) In the network environment composing DHCP server, settings related to EZL-200F’s IP address, subnet mask, gateway, and name servers can be automatically designated using DHCP protocol. In order to do so, you must check [Obtain an IP Automatically (DHCP)] category on the ezConfig.

  • Page 23: Obtain An Ip Automatically (Pppoe)

    PPPoE is used in most ADSL and VDSL networks. 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. Fig 3-9 obtain an IP automatically via PPPoE Procedures ...

  • Page 24: Operation Modes

    EZL-200F User’s Manual Ver. 2.1 Operation Modes 4.1 What is the Operation Mode? Each of three operation mode of EZL-200F is defined for specific purpose, and those are followed. Normal mode  This mode is for normal data communication and has 4 different connection modes.

  • Page 25: Comparison Of Each Mode

    TCP Server. On the other hand, UDP has no connection process. Because of this, each of them can be send and receive data from multiple hosts. Basically, the connection should be established 1 to 1 in TCP. However, EZL-200F can ...

  • Page 26: Console Mode

    [MAC Address Search] option, enter to this mode and revoke them. 4.6 ISP Mode ISP mode is for upgrading firmware through the serial port. EZL-200F supports both Ethernet and serial port to transfer the firmware file. In case of using the serial port, follow the processes.

  • Page 27: Communication Modes

    In this mode, EZL-200F functions as a TCP server. EZL-200F listens to a TCP connection from remote host. Once a host tries to connect to EZL-200F, it responses that request. After the connection is established, EZL-200F converts the raw data from the serial port to TCP/IP data and sends them to the network and vice versa.

  • Page 28: Examples

    EZL-200F User’s Manual Ver. 2.1 5.1.2 Examples Usual passive connection  Fig 5-1 time chart for usual passive connection Table 5-1 states of each point Points States Listening to connection requests ① Remote host has sent a connection request (SYN) segment Processes of the connection ②...
  • Page 29 EZL-200F User’s Manual Ver. 2.1 A situation that [Timeout] is set to 5.  Fig 5-2 time chart for a situation that [Timeout] is set to 5 Table 5-2 states of each point Points States Data communication on both sides ①...

  • Page 30: Tcp Client

    EZL-200F User’s Manual Ver. 2.1 5.2 TCP Client In this mode, EZL-200F functions as a TCP client. EZL-200F sends request segments to a remote host with information of [Peer Address] and [Peer Port]. Once a host is listening and works correctly, the connection will be established. After then, EZL-200F converts the raw data from the serial port to TCP/IP data and sends them to the network and vice versa.

  • Page 31: Examples

    EZL-200F User’s Manual Ver. 2.1 5.2.2 Examples A situation that [Event Byte] is set to 0.  Fig 5-3 time chart for a situation that [Event Byte] is set to 0 Table 5-4 states of each point Points States Before the power is supplied ①...
  • Page 32 The connection has been established The “1234567” is transmitted to the remote host As you can see in the figure 5-5, EZL-200F sends request segment right after the serial data had been 5 bytes. Even though those are come before the connection is established, the data “123”, “45”...

  • Page 33: At Command

    EZL-200F User’s Manual Ver. 2.1 5.3 AT Command AT command is a mode which users control EZL-200F with AT command like controlling modem. In this mode, active and passive TCP connections are available. And users are allowed to configure some environmental parameters with extended commands.

  • Page 34: Examples

    Processes of TCP connection ③ TCP connection has been established Sends “CONNECT” message to the serial port Most of the response messages from the serial port of EZL-200F are omitted on above  figure. Sollae Systems Co., Ltd. - 33 -...
  • Page 35 EZL-200F User’s Manual Ver. 2.1 TCP Client - setting parameters and active connection  Fig 5-6 TCP Active connection Table 5-8 states of each point Points States Set parameters in the AT command mode ① Sends a TCP connection request with the ATD command Processes of TCP connection ②...
  • Page 36 TCP connection has been terminated Sends “NO CARRIER” with disconnection EZL-200F changes the mode to AT command, when receiving “+++” and sending “OK” message. In this state, the communication with remote host is not possible because 200F processes only AT command. Whenever you want to go back to online state (TCP connection), use “ATO”...

  • Page 37: Udp

    EZL-200F User’s Manual Ver. 2.1 5.4 UDP UDP has no processes of connection. In this mode, data is sent in block units. Therefore, data that comes through EZL-200F’s serial port must be classified in block units to send it elsewhere. 5.4.1 Key parameters Block Size (Unit: Bytes) ...

  • Page 38: Examples

    EZL-200F User’s Manual Ver. 2.1 5.4.2 Examples Block Size: 5 bytes / Block Interval: 1s (1000ms)  Fig 5-8 time chart for block size is 5 bytes and block interval is 1s Table 5-10 states of each point Points States Receiving data from the serial port ①...

  • Page 39: System Management

    6.1 Upgrading Firmware 6.1.1 Firmware Firmware is a type of software for operation of EZL-200F. If there are needs for adding function or fixing bugs, the firmware is modified and released. We recommend that users keep use the latest released firmware.
  • Page 40 ⑥ Confirm the waiting message: Do not turn off before finishing the process ⑦ Downloading has been completed To upgrade firmware of EZL-200F, some processes including preparing and rebooting are  needed on TELNET. However, new versions (4.4H or subsequence versions) handle the additional processes automatically.

  • Page 41: Status Monitoring

    EZL-200F User’s Manual Ver. 2.1 6.2 Status Monitoring 6.2.1 Using TELNET Once the [TELNET] option is activated, users can remotely log in to EZL-200F. If a password is set, users should input the password. After then, messages from EZL-200F appear like Fig 6-3.
  • Page 42 EZL-200F User’s Manual Ver. 2.1 st sio0  “st sio0” command displays the number of bytes for the serial port. Fig 6-5 serial port status st timer  “st timer” command shows information about system timer. Fig 6-6 system timer information st arp ...

  • Page 43: Using Ezconfig

    EZL-200F User’s Manual Ver. 2.1 6.2.2 Using ezConfig Status of EZL-200F can be monitored by [Status] button on ezConfig. By using the [Refresh Every 1 Second] option in the window, the status is automatically updated in every second. Fig 6-8 status window of ezConfig Firmware / System Uptime ...

  • Page 44: Debugging Message

    EZL-200F User’s Manual Ver. 2.1 6.2.3 Debugging Message By using online debugging function, you can analysis the network situation when the product works abnormally. Debugging messages  Fig 6-9 debugging messages ① Log in through TELNET ② Set flags with “rdb flags” command ③...

  • Page 45: Additional Functions

    The maximum length is 8 bytes of Alphabet or number. When you want to revoke all of these restrictions, operate EZL-200F as console mode. In  the mode, all restrictions are removable and communication with ezConfig is revoked.

  • Page 46: Telnet Com Port Control Option (Rfc 2217)

    EZL-200F User’s Manual Ver. 2.1 7.3 TELNET COM port Control Option (RFC 2217) This option is for sending and receiving serial port states between two devices. Users can send and receive control signals like RTS/CTS when the states are changed.

  • Page 47: How To Use As A Tcp Server

    EZL-200F User’s Manual Ver. 2.1 7.4.2 How to use as a TCP server To use SSL option as a TCP server, you should create a certification. Fig 7-4 processes for SSL For the details about SSL, please refer to the document on [Support] >> [Download] >>...

  • Page 48: Ssh (Secure Shell)

    EZL-200F User’s Manual Ver. 2.1 7.5 SSH (Secure Shell) Secure Shell (SSH) is a type of logging on system for the security used in Linux and Unix. 7.5.1 How to use Follow the below procedures Fig 7-5 processes for setting SSH For the details about SSH, please refer to the document on [Support] >>...

  • Page 49: Multiple Connection

    Fig 7-7 diagram for the [Multiple Connection] Data from the each host are sent to the User’s device via EZL-200F  Data from the User’s device is sent to the all hosts(#1 ~ 8) via EZL-200F  7.7 SLIP (Serial Line Internet Protocol) Serial Line Internet Protocol function of EZL-200F functions link two different networks by serial line.

  • Page 50: Rs422 And Rs485 Communication

    [Serial Type] option should be changed on ezConfig. Fig 7-8 the [Serial Type] parameter By using the Wiring Adapter which is offered as an optional accessory for EZL-200F, you  can interface 4 ports terminal block instead of the D-SUB 9 pin connector.

  • Page 51: Self Test In Trouble

    EZL-200F User’s Manual Ver. 2.1 Self Test in Trouble When users are in trouble with EZL-200F, make sure all the followed steps first. 8.1 Searching problem with ezConfig Confirming types of configuration utility  EZL-200F can be configured by ezConfig.

  • Page 52: Connection Problem Over Tcp/Ip

    Mask, Gateway IP Address and etc. Subnet Mask, Gateway IP Address and etc. PING Test  Confirm the connection over the network by PING test. If the EZL-200F doesn’t send any reply from the request, check the network environment. Firewall ...

  • Page 53: Data Communication Problem On The Serial

    EZL-200F User’s Manual Ver. 2.1 8.3 Data Communication Problem on the Serial Connection of Pins  Check if the connection of each pin is right. Using cables, users choose the right type of cable which is suitable for the device. Transmit Data (TXD) pin should be connected with Receive Data (RXD) pin.

  • Page 54: Technical Support, Warranty, And Precaution

    Technical Support, Warranty, and Precaution 9.1 Technical Support 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: E-mail: support@eztcp.com...

  • Page 55: Precaution

    EZL-200F User’s Manual Ver. 2.1 9.3 Precaution Sollae Systems is not responsible for product failures occurring due to user ’s  alternation of the product. Specifications of the product are subject to change without prior notice for  performance improvement.

  • Page 56: Revision History

    EZL-200F User’s Manual Ver. 2.1 10 Revision History Date Version Comments Author 2005.06.24 ○ The first Released 2005.12.05 ○ Changed all fonts into Times New Roman ○ Added Revision History 2005.12.26 ○ Added Trash Mark for WEEE 2007.01.19 ○ Add SSH, SLIP, Telnet COM Port Option ○...

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