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Summary of Contents for Sollae Systems EZL-400S
- Page 1 EZL-400S User’s Manual Version 1.1 Sollae Systems Inc.
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Page 2: Table Of Contents
3.1.4. Configuring with ezcfgmp ................... - 14 - 3.2..................- 19 - ONFIGURATION BY ONSOLE 3.2.1. Entering the Console of EZL-400S................- 19 - 3.2.2. Menu Structure ......................- 20 - THE OPERATION MODE OF EZL-400S..............- 22 - 4.1................- 22 -... - Page 3 5.1. T2S ..........................- 23 - 5.1.1. Communication ......................- 23 - 5.1.2. Connection Termination and Keep Alive Function............- 23 - 5.2. ATC ..........................- 24 - 5.3. COD ..........................- 25 - 5.3.1. Communication ......................- 25 - 5.3.2. Connection Termination and Keep Alive Function............- 25 - 5.3.3.
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Page 4: Overview
It provides not only DHCP but also PPPoE, so that it can be applied to the cable network and the xDSL network. As EZL-400S provides SSL security function, it can be used in a system that requires a high level of security. -
Page 5: Components
1.2. Components EZL-400S Body 5V Power Adopter (Option) RS232C cable for PC connection (Option) PCMCIA Card (Option) 1.3. Specifications Input Voltage 5V (±10%) Power Current 500mA typical Dimension 190mm x 126mm x 29mm Weight About 540g (excluding wireless LAN card) -
Page 6: Power
1.3.1. Power DC 5V is used for EZL-400S and the specification is below: 1.3.2. Dsub Connector The connector of serial port is 9 pin Dsub male. The specification is below: RS-232 number name description level Dir. Etc. Receive Data RS232... -
Page 7: Network Interface
PRISM. (If you would use a wireless LAN card which is not provided from Sollae Systems, please test or contact me in advance.) The MAC address of EZL-400S is in bottom of the body, not in PCMCIA card. 1.3.4. LED Interface... -
Page 8: Console S/W
Blinks when EZL-400S sends data to COM4 1.3.5. Console S/W There is a [CONSOLE S/W] which can be used to change the mode EZL-400S. If user push this button over 1 second, EZL-400S changes its operating mode to the console mode. -
Page 9: Installation And Test Run
IP address environment (local IP, subnet mask, gateway, etc.) Serial port type of the equipment to which EZL-400S is going to be connected (RS232, RS422, RS485) Serial port items of the equipment to which EZL-400S is going to be connected (baud rate, data bit, parity, stop bit) Application program protocol to be used (TCP/UDP, server/client, SSL, etc.) -
Page 10: Test Run
OK. 2.2.3. Connecting to Serial Port of PC Connect the EZL-400S with the PC through the RS232 cable. And run a serial communication utility – for example: Hyper Terminal or Tera Term Pro. And set the configuration of the utility to [19200bps, 8 data bits, 1 stop bit, no flow-control] as same... -
Page 11: Communication Test
EZL-400S. Then the preparation of test is completed. 2.2.4. Communication Test When the preparation for serial communication is finished, enter the following in the DOS window on your PC, to connect to TCP through Telnet program. -
Page 12: Configuring Environmental Variables
The LOCAL SEARCH method use UDP local broadcast with MAC address. So its benefit is that user can search EZL-400S although the user doesn’t know the IP address of EZL-400S. For LOCAL SEARCH, user should select [LOCAL] radio button and press [Search EZL-400 Series]. -
Page 13: Remote Search
IP address and press [Search EZL-400 Series], then the ezcfgmp searches EZL-400S with the IP address. The found EZL-400S is appeared in the [Search List] window. If the user double-clicks the IP address or presses [Read] button, the main window is appeared. -
Page 14: The Differences Between Local Search And Remote Search
It can be used in the local address Defect network 2. Firewall problems can be occurred 3.1.4. Configuring with ezcfgmp the following is the main window of the ezcfgmp. User can configure the EZL-400S in the main window more easily. - 14 -... - Page 15 MAC Address It is the MAC address of EZL-400S. This value is set in the factory and it cannot be altered. Unique IP Address EZL-400S can use one IP address for four COM ports or the IP addresses can be set to each COM ports differently.
- Page 16 Password Password is used for that user configures EZL-400S with ezcfgmp or logins via telnet client. If EZL-400S is set with a password, user should input the password in this item to configure the EZL-400S. For changing the password, use [Change PWD].
- Page 17 This item is for setting the communication mode of EZL-400S among T2S, ATC, COD, and U2S. Local IP Address If EZL-400S is set as multi IP address, this item is for the IP address of each COM ports. Each IP addresses should be in a same subnet. Local Port It defines local ports of each COM ports.
- Page 18 Selects flow control for the serial port (None, RTS/CTS). Water Mark It defines a point of time to start connection when EZL-400S operates as COD. EZL- 400S starts to connect to the host (Peer IP Address and Peer Port) of the designated host upon receiving as many data as specified by [Water Mark] bytes from the serial port.
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Page 19: Configuration By Console
The telnet function should be set for telnet login. Operating EZL-400S as Console Mode If user presses a button that is the front side of EZL-400S over 1 second, EZL-400S operates as the Console Mode. Both the [RUN] LED and the [STS1] LED should blink in the same time in the Console Mode. -
Page 20: Menu Structure
3.2.2. Menu Structure The commands to set the environmental variables of EZL-400S in Console Mode are ‘env config’ and ‘env ext’. If user inputs ‘env config’ in the Console Mode, the following will be shown. Its structure is followed: - 20 -... - Page 21 If user inputs ‘env ext’ in the Console Mode, the following screen will be shown. - 21 -...
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Page 22: The Operation Mode Of Ezl-400S
The Console Mode is that the COM1 port operates as console port. All security functions are disabled in this mode. If user presses a button the front side of the EZL-400S over 1 second, EZL-400S operates as Console Mode. In this mode, [RUN] LED and [STS1] LED blink at the same time. -
Page 23: Normal Communication Mode
If [Timeout] is set, EZL-400S terminates the connection if there is no data transmission for pre-defined time ([Timeout] sec). If [Timeout] is set to 0, EZL-400S sends a keep alive packet every 10 seconds. If there is no response 5 consecutive times from the foreign host, EZL-400S terminates the connection. -
Page 24: Atc
5.2. In ATC mode, the user can control the EZL-400S 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. -
Page 25: Cod
If [Timeout] is set, EZL-400S terminates the connection if there is no data transmission for pre-defined time ([Timeout] sec). If [Timeout] is set to 0, EZL-400S sends a keep alive packet every 10 seconds. If there is no response 5 consecutive times from the foreign host, EZL-400S terminates the connection. -
Page 26: U2S
A procedure for dividing data into blocks is as follows: If data of pre-specified bytes [Water Mark] comes to the serial port of the EZL-400S or if a specified period of time [Timeout] elapses after first data reception, all data received for the same period is recognized as one block which is then transmitted to the UDP. -
Page 27: Atc Mode
6. ATC Mode 6.1. Overview EZL-400S 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-400S communicates several hosts alternatively. -
Page 28: Extended At Commands (Example: At+Plip Etc.)
To change online state to online command state during the connection, +++ string should be transmitted to EZL-400S as following time interval. When transmitting +++ string to EZL-400S, +++ string will be sent to peer host. The time from final data the first ‘+’ data of No data over 500ms(guard time) ‘+++’... -
Page 29: Example Of Tcp Connection
▶ Set LOCAL PORT to listen ◀ <CR><LF>OK<CR><LF> Command OK ATA<CR> ▶ Passive connection command Listen on local port from a host A host connects to EZL-400S ◀ <CR><LF>CONNECT<CR><LF> TCP connection OK Data Communication 6.6. Example of TCP Disconnection 6.6.1. Example of active disconnection EZL-400S disconnects the connection. -
Page 30: Example Of Passive Disconnection
6.6.2. Example of passive disconnection The remote host disconnects the connection. Serial Port Description Data Communication(during TCP connection) The remote host disconnect the connection <CR><LF>NO TCP disconnected ◀ CARRIER<CR><LF> - 30 -... -
Page 31: Technical Support, Warranty, And Notes On Operation
7.1. 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... - Page 32 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.
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Page 33: Revision History
8. Revision History Date Version Comments Dec.02.2005 The first release - 33 -...
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